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Knob Screws(Polygonal Shape, Type:Heptagonal Shape)

Knob Screws are utilized in various applications to enable manual control, adjustment, or fastening in a wide range of applications. They have widespread applications across diverse industries such as in automation systems. In various manufacturing industries, for example, food and pharmaceutical industries, a

Knob Screws are utilized in various applications to enable manual control, adjustment, or fastening in a wide range of applications. They have widespread applications across diverse industries such as in automation systems. In various manufacturing industries, for example, food and pharmaceutical industries, and electronics industries.
When selecting a Knobs Screws, it is crucial to consider factors, including size, shape (eg., round, mushroom, ball, T- shaped and polygon shape), material (eg., plastic, stainless steel, aluminum and so on.) and mounting type for example threaded and tapped. These considerations are crucial for ensuring the production of high-quality products. We highly recommend reputable brands such as MISUMI, ESCO and KONISHI, as well as cost-effective options from MISUMI ECONOMY.
Take advantage of the convenience of FREE SHIPPING and NO MINIMUM ORDER on knob screw. Should you have any doubts or require assistance in choosing the right product, our experts are readily available to provide advice and guidance.

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Polygonal Shape, Type: Heptagonal Shape
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Product SeriesDòng sản phẩm
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SpecificationsĐặc điểm kĩ thuật
Mounting Section Dia. d (mm) or Nominal Dia.
Mounting Section Type
Mounting Section, Length L(mm)
Main Body, Type
Main Body Material
Round Shape, Type
Mounting Section, Material
Threaded End Machining
Set Screw Flat Machining
Side Machined
Polygonal Shape, Type
T Shape, Type
Additional Function
Tapped, Round Hole Machining
Main Body, Surface Treatment
Mounting Section, Surface Treatment

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    Plastic Knobs/Seven Lobed Knobs
    • On Sale Till 31/03/2025

      You can add up to 6 items per a category to the compare list.

      Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF
        Seven Lobed Knob_KSM/KSF

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          Heptagonal Lob Knob Female Thread
            Heptagonal Lob Knob Female Thread
            Heptagonal Lob Knob Female Thread

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              Heptagonal Knobs
                Heptagonal Knobs
                Heptagonal Knobs

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                  SKB (Seven Knob Bolt)

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                      Seven Lobed Knob - SLK, SLK-Sus

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                          Grub Screw Knob GSN

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                              Quick Seven Lobed Knob_KSQ

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                                  Seven Lobed Knob_KTF/KTR

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                                      Seven Lobed Knob SLK-NT

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                                          Flower Bolt, No. 1, White

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                                              Aluminum Hand Knob (ALHK)

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                                                  Flower Bolt Number 1, Black

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                                                      Flower Bolt, No. 2, White

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                                                          Stainless-Steel Hand Knob (HK-N-SUS)

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                                                              Seven Lobed Knob, SLK-T

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                                                                  Quick Star Knob QSK

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                                                                      Black, Flower Knob Nut No. 1

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                                                                          Black, Flower Knob Nut No. 2

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                                                                              White, Flower Knob Nut No. 1

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                                                                                  White, Flower Knob Nut No. 2

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                                                                                      White Flower Nut No. 3

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                                                                                          Flower Bolt Number 2, Black

                                                                                              You can add up to 6 items per a category to the compare list.

                                                                                              Flower Bolt, No. 3, White

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                                                                                                  Flower Bolt, No. 3, Black

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                                                                                                      Black Flower Nut, No. 3

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                                                                                                          SKN (Seven Knob Nut)
                                                                                                            BrandNhãn hiệu

                                                                                                            MISUMI

                                                                                                            NABEYA BI-TECH

                                                                                                            MISUMI

                                                                                                            MiSUMi Economy

                                                                                                            MISUMI

                                                                                                            MiSUMi Economy

                                                                                                            69

                                                                                                            KOSTA

                                                                                                            KONISHI

                                                                                                            KONISHI

                                                                                                            NABEYA BI-TECH

                                                                                                            NABEYA BI-TECH

                                                                                                            KONISHI

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            IMAO CORPORATION

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            IMAO CORPORATION

                                                                                                            KONISHI

                                                                                                            KONISHI

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            DAIMARU BYORA SEISAKUSHO

                                                                                                            KOSTA

                                                                                                            Product SeriesDòng sản phẩm

                                                                                                            Plastic Knobs/Seven Lobed Knobs

                                                                                                            Seven Lobed Knob_KSM/KSF

                                                                                                            Heptagonal Lob Knob Female Thread

                                                                                                            Heptagonal Knobs

                                                                                                            SKB (Seven Knob Bolt)

                                                                                                            Seven Lobed Knob - SLK, SLK-Sus

                                                                                                            Grub Screw Knob GSN

                                                                                                            Quick Seven Lobed Knob_KSQ

                                                                                                            Seven Lobed Knob_KTF/KTR

                                                                                                            Seven Lobed Knob SLK-NT

                                                                                                            Flower Bolt, No. 1, White【1,100 Pieces Per Package】

                                                                                                            Aluminum Hand Knob (ALHK)

                                                                                                            Flower Bolt Number 1, Black【500-1,200 Pieces Per Package】

                                                                                                            Flower Bolt, No. 2, White【400-500 Pieces Per Package】

                                                                                                            Stainless-Steel Hand Knob (HK-N-SUS)

                                                                                                            Seven Lobed Knob, SLK-T

                                                                                                            Quick Star Knob QSK

                                                                                                            Black, Flower Knob Nut No. 1【1,500 Pieces Per Package】

                                                                                                            Black, Flower Knob Nut No. 2【600 Pieces Per Package】

                                                                                                            White, Flower Knob Nut No. 1【1,500 Pieces Per Package】

                                                                                                            White, Flower Knob Nut No. 2【600 Pieces Per Package】

                                                                                                            White Flower Nut No. 3【400 Pieces Per Package】

                                                                                                            Flower Bolt Number 2, Black【350-500 Pieces Per Package】

                                                                                                            Flower Bolt, No. 3, White【250 Pieces Per Package】

                                                                                                            Flower Bolt, No. 3, Black【200-300 Pieces Per Package】

                                                                                                            Black Flower Nut, No. 3【400 Pieces Per Package】

                                                                                                            SKN (Seven Knob Nut)

                                                                                                            CADCAD
                                                                                                            • 2D / 3D
                                                                                                            • 2D / 3D
                                                                                                            • 2D / 3D
                                                                                                            • 2D / 3D
                                                                                                            • 2D
                                                                                                            • 2D
                                                                                                            • 2D
                                                                                                            • 2D / 3D
                                                                                                            • 2D / 3D
                                                                                                            • 2D
                                                                                                            • 2D / 3D
                                                                                                            • 2D / 3D
                                                                                                            • 2D
                                                                                                            • 2D
                                                                                                            • 2D
                                                                                                            From

                                                                                                            40,244 VND

                                                                                                            Special Price

                                                                                                            On Sale Till 31/03/2025

                                                                                                            45,470 VND

                                                                                                            27,970 VND

                                                                                                            27,970 VND

                                                                                                            24,010 VND

                                                                                                            121,276 VND

                                                                                                            186,686 VND

                                                                                                            481,568 VND

                                                                                                            79,790 VND

                                                                                                            170,390 VND

                                                                                                            2,266,361 VND

                                                                                                            544,560 VND

                                                                                                            1,812,968 VND

                                                                                                            1,247,220 VND

                                                                                                            682,168 VND

                                                                                                            128,626 VND

                                                                                                            579,183 VND

                                                                                                            13,497,840 VND

                                                                                                            7,948,728 VND

                                                                                                            13,152,895 VND

                                                                                                            7,948,728 VND

                                                                                                            7,448,808 VND

                                                                                                            1,247,220 VND

                                                                                                            1,196,423 VND

                                                                                                            1,236,861 VND

                                                                                                            4,405,836 VND

                                                                                                            30,270 VND

                                                                                                            Days to ShipSố ngày giao hàng Same day or more Same day or more Same day Same day 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more Same day or more Same day or more 4 Day(s) or more 6 Day(s) or more Same day or more 6 Day(s) or more 6 Day(s) or more Same day or more 6 Day(s) or more 5 Day(s) or more 6 Day(s) or more 13 Day(s) or more 6 Day(s) or more 6 Day(s) or more 13 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 6 Day(s) or more 4 Day(s) or more
                                                                                                            SpecificationsĐặc điểm kĩ thuật
                                                                                                                                                                  Mounting Section Dia. d (mm) or Nominal Dia.5 ~ 12M5 ~ M12M10 ~ M12M10 ~ M126 ~ 12M5 ~ M12M5 ~ M12M8 ~ M126 ~ M12M6 ~ M12M38 ~ M16M3 ~ M4M4 ~ M56 ~ M12M5 ~ M128 ~ 12M3 ~ M4M4 ~ M5M3 ~ M4M4 ~ M5M6M4 ~ M5M5M5 ~ M6M4 ~ M66 ~ 12
                                                                                                                                                                  Mounting Section TypeThreaded / TappedThreaded / TappedTapped (Stepped)Threaded (Stepped)ThreadedThreaded (Stepped)Threaded (Stepped)TappedTapped / Round BoreTapped (Stepped)ThreadedTapped / Round BoreThreadedThreadedTapped / Round BoreTapped (Stepped)OthersTappedTappedTappedTappedTappedThreadedThreadedThreadedTappedTapped
                                                                                                                                                                  Mounting Section, Length L(mm)10 ~ 559.5 ~ 6017 ~ 2125 ~ 3015 ~ 11010 ~ 6010 ~ 8026 ~ 4212 ~ 2211 ~ 20815 ~ 286 ~ 286 ~ 2015 ~ 408.5 ~ 2326 ~ 421.521.5226 ~ 2817 ~ 229 ~ 27--
                                                                                                                                                                  Main Body, TypePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal ShapePolygonal Shape
                                                                                                                                                                  Main Body MaterialNylonNylonPhenolPhenolPhenolNylonPhenolNylonNylonNylon-Aluminum--Stainless SteelNylonNylonStainless SteelStainless SteelStainless SteelStainless SteelStainless Steel----Phenol
                                                                                                                                                                  Round Shape, Type---------------------------
                                                                                                                                                                  Mounting Section, MaterialSteel / BrassStainless Steel / SteelBrassSteelSteelStainless Steel / SteelSteelSteelStainless Steel / SteelSteelSteelAluminumSteelSteelStainless SteelSteelSteel-----SteelSteelSteelSteelBrass
                                                                                                                                                                  Threaded End MachiningNoneNone--NoneNoneNone---None-NoneNone--------NoneNoneNone--
                                                                                                                                                                  Set Screw Flat MachiningNone----NoneNone-NoneNone-None--NoneNoneNone---------None
                                                                                                                                                                  Side Machined-----Not ProvidedNot Provided--Not Provided-----Not ProvidedNot Provided----------
                                                                                                                                                                  Polygonal Shape, TypeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal ShapeHeptagonal Shape
                                                                                                                                                                  T Shape, Type---------------------------
                                                                                                                                                                  Additional FunctionNot ProvidedNot Provided--Not ProvidedNot ProvidedNot ProvidedOthersNot ProvidedNot Provided-Not Provided--Not ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot ProvidedNot Provided----Not Provided
                                                                                                                                                                  Tapped, Round Hole MachiningBlind BoreBlind Bore-----ThroughBlind Bore / Reamer FinishingThrough-Blind Bore / Reamer Finishing--Blind Bore / Through / Reamer FinishingBlind BoreThroughBlind BoreBlind BoreBlind BoreBlind BoreBlind Bore---Blind BoreBlind Bore
                                                                                                                                                                  Main Body, Surface Treatment-None--CoatingNoneNoneNoneNoneNoneNoneBuffedNoneNoneBuffedNoneNoneNoneNoneNoneNoneNoneNoneNoneNoneNoneCoating
                                                                                                                                                                  Mounting Section, Surface TreatmentNone / Trivalent ChromateNone / Trivalent ChromateNoneZinc PlatingOthersNone / Trivalent ChromateTrivalent ChromateTrivalent ChromateNone / Trivalent ChromateTrivalent ChromateTrivalent ChromateNoneTrivalent ChromateTrivalent ChromateNoneTrivalent ChromateTrivalent Chromate-----Trivalent ChromateTrivalent ChromateTrivalent ChromateNoneNone

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                                                                                                                                                                  Related Categories to Knob ScrewsDanh mục liên quan đến Knob Screws

                                                                                                                                                                  FAQ Knob Screws

                                                                                                                                                                  Question: How do I properly install the knob screw?
                                                                                                                                                                  Answer: Here are some example to install a Knob Screws tapped type
                                                                                                                                                                  1. Prepare the Surface: Clean and clear the area where the knob screw will be installed.
                                                                                                                                                                  2. Choose the Right Screw: Select a screw with the appropriate size and thread that matches the knob.
                                                                                                                                                                  3. Mark the Location: Use a pencil to mark where the knob screw will go, ensuring proper alignment.
                                                                                                                                                                  4. Create Pilot Holes (if needed): Use a drill to create small guide holes in the marked spots, if the material is hard.
                                                                                                                                                                  5. Insert the Screw: Place the screw through the knob and into the pilot hole or surface.
                                                                                                                                                                  6. Tighten the Screw: Use a screwdriver to turn the screw clockwise, securely fastening the knob in place.
                                                                                                                                                                  7. Test the Knob: Check the knob's movement and stability to ensure proper installation.
                                                                                                                                                                  8. Adjust if Necessary: If the knob feels loose, you may need to tighten the screw further.
                                                                                                                                                                  Question: Type of knobs screw?
                                                                                                                                                                  Answer: There are various types of knob screws designed for specific applications. Here are a few common types:
                                                                                                                                                                  1. Round Knurled Thumb Screws: These have textured heads for better grip, often used in applications where a secure grip is essential.
                                                                                                                                                                  Round Knurled Thumb Screws
                                                                                                                                                                  2. Lobed Knobs: Have a lobed design for a comfortable grip, commonly found on industrial and mechanical equipment.
                                                                                                                                                                  Lobed Knobs
                                                                                                                                                                  3. Ball Knobs: These have a spherical shape and are commonly used on levers or control mechanisms.
                                                                                                                                                                  Ball Knobs
                                                                                                                                                                  4. T-Knobs: Shaped like the letter "T," these knobs are simple to turn and are used in applications where frequent adjustments are needed.
                                                                                                                                                                  T-Knobs
                                                                                                                                                                  5. Star Knobs: Featuring a star-shaped head for easy turning, often used in applications requiring frequent adjustments.
                                                                                                                                                                  Star Knobs
                                                                                                                                                                  6. Mushroom Knobs: Shaped like a mushroom. It is used for cabinets, drawers, and doors, these knobs provide a comfortable grip for opening and closing
                                                                                                                                                                  Mushroom Knobs
                                                                                                                                                                  Question: How to choose the knob screw?
                                                                                                                                                                  Answer: Here are some example how to choose the knob screw
                                                                                                                                                                  1. Usage: Identify its purpose, such as indoor/outdoor and specific applications like machines, jig fixtures, doors, cabinets, etc.
                                                                                                                                                                  2. Material: Match durability to the environment (stainless steel, aluminum, brass and plastic (eg., ABS, Nylon and so on).
                                                                                                                                                                  3. Thread Type and Thread Size : Ensure screw matches knob (Threaded, Tapped) or Press fit. and the thread size is appropriate to install
                                                                                                                                                                  4. Size: Select a knob head size that is appropriate for your intended use.
                                                                                                                                                                  5. Head Type: Choose based on knob design (eg.,round, T Shape, Wing Shape, Polygon shape etc.).
                                                                                                                                                                  6. Easy to install : Ensure easy installation and tightening.
                                                                                                                                                                  7. Follow Guidelines: Check knob manufacturer's recommendations.
                                                                                                                                                                  Question: What is the usage for knob screw?
                                                                                                                                                                  Answer: The primary usage of a knob screw is to enable manual control, adjustment, or fastening in a wide range of applications. Here are additional examples of how knob screws are used:
                                                                                                                                                                  1. Camera Tripods: Knob screws are used to secure the legs and adjust the height of camera tripods, aiding photographers in achieving stable shots.
                                                                                                                                                                  2. HVAC Systems: Knob screws are used to control airflow direction and intensity in ventilation systems, enhancing indoor air quality and comfort.
                                                                                                                                                                  3. Scientific Research Instruments: In laboratories, knob screws are employed to fine-tune the position of laser optics, ensuring precise experimental setups.
                                                                                                                                                                  4. Automated Manufacturing: Knob screws play a role in industrial automation by adjusting the position of sensors.
                                                                                                                                                                  Question: What is the difference of knob screw and door knob?
                                                                                                                                                                  Answer: Knob Screw:
                                                                                                                                                                  A knob screw is a type of fastener used to secure or adjust objects together. It consists of a threaded and a head. The head is designed for easy gripping and turning by hand. Knob screws are commonly used in applications where frequent adjustments or temporary fastening is required. They are often found in devices like clamps, jigs, and fixtures. The main purpose of a knob screw is to provide a manual way of securing two components together without the need for additional tools.

                                                                                                                                                                  Door Knob:
                                                                                                                                                                  A door knob, on the other hand, is a handle or knob attached to a door that allows people to open and close the door. It is usually mounted on a spindle that connects the knob on the outside of the door to a mechanism on the inside, allowing the door to be latched or unlatched. Door knobs come in various designs and materials, and they serve both functional and aesthetic purposes. They are an integral part of doors in buildings and structures

                                                                                                                                                                  In summary,
                                                                                                                                                                  A knob screw is a threaded fastener used for securing or adjusting objects together, often by hand.
                                                                                                                                                                  A door knob is a handle attached to a door, allowing people to open and close the door, serving a functional and aesthetic purpose.
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