(!) Since support from Microsoft will end on January 14th, 2020, Windows 7 will be excluded from the recommended environment from December 15th, 2019 on this site. Vì lý do Microsoft kết thúc hỗ trợ cho Windows 7 vào ngày 14/01/2020, Windows 7 sẽ là hệ điều hành không được khuyến khích sử dụng với trang web này từ ngày 15/12/2019.

Tel: 0222-361-1555 Email: cs@misumi.com.vn 8:00 - 17:00 (Mon - Sat)

ものづくりの、明日を支える。MISUMI-VONA 生産材コマースものづくりの、明日を支える。MISUMI-VONA 生産材コマース

Webcode Seach | Series: #CODE

Keyword suggestionsTừ khóa gợi ý

Part number suggestionsGợi ý mã sản phẩm

Discontinued Products

Search by Category / Brand Tìm theo danh mục, nhãn hiệu

Search by Category Tìm theo danh mục

[Thông báo] Cập nhật địa chỉ kho tập kết hàng hóa tại khu vực miền Nam của MISUMI Việt Nam. Xem chi tiết.
[Announcement] Update on warehouse address in the Southern region of MISUIMI Vietnam. See more. 
[Cảnh Báo] Thủ Đoạn Lừa Đảo Từ Nhân Viên Giao Hàng – Yêu Cầu Trả Phí Ship. Xem chi tiết.
[Warning] Fraud Calling from Shipper - Asking to Pay Shipping Fee. See more.

How can we improve?

How can we improve?

Comments

Name (Optional)

E-mail Address (Optional)

Tel (Optional)

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Customer Privacy Policy

Thank you for your cooperation.

While we are not able to respond directly to comments submitted in this form, the information will be reviewed for future improvement.
Please use the inquiry form.

Customer Privacy Policy

Square HSS End Mills（Blade diameter (D)：1/2）

An online store for high speed steel square end mills. Divided into categories of square / roughing / high helical end mills. In MISUMI's e-catalog, specifications/dimensions of brand, blade diameter, blade length, shank diameter, total length, number of blades, compatible work materials, coating, etc. can be selected with one click, so you can easily find the desired carbide end mill.
[Misumi's High Speed Steel End Mill]
In addition to the difference in blade length from short size to long size, non-coated items from minimum φ1 to maximum φ50 are available in extensive sizes.

Show More Detail Show More Detail

Search by specifying the lower class categoryTìm kiếm bằng cách chỉ định danh mục lớp thấp hơn

Brand	(0) (0) ASAHI TOOLS (0) DAIICHITOOL (0) DYC (0) EIKOSHA (0) ESCO (0) FUKUDA (0) NACHI(FUJIKOSHI) (0) OSG (0) OSG KOREA CORP (0) SANKO MFG (0) TAIYO-TOOL (1) YG 1 (2)
CAD	2D 3D
Days to Ship	All Same day 4 Day(s) or Less 5 Day(s) or Less 6 Day(s) or Less 7 Day(s) or Less Others

3 itemsMặt hàng

Sort By

: 30; 45; 60

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

2-Flute Inch End Mill

YG 1

Blade diameter (D)(φ)	Blade length (ℓ)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	Machining Application	Coating	Blade shape type	Torsion Angle (θ)	Base Blade Y/N	Tool Material Type	Underneck length (ℓ1)(mm)	shank
1/2	-	-	2	-	general steel[◎] / Quenched and tempered steel[◎] / Aluminum[○] / Copper[○]	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	Non-Coated	Square	Standard torsion (30-40°)	-	Cobalt HSS	-	-

From: 1,003,031 VND
Days to Ship: Số ngày giao hàng: 7 Day(s)

7 Day(s)

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

4-Flute Inch End Mill

YG 1

Blade diameter (D)(φ)	Blade length (ℓ)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	Machining Application	Coating	Blade shape type	Torsion Angle (θ)	Base Blade Y/N	Tool Material Type	Underneck length (ℓ1)(mm)	shank
1/2	1-1/4	1/2	4	3-1/4	general steel[◎] / Quenched and tempered steel[◎] / Aluminum[○] / Copper[○]	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	-	Square	Standard torsion (30-40°)	-	Cobalt HSS	-	-

From: 743,452 VND
Days to Ship: Số ngày giao hàng: 7 Day(s)

7 Day(s)

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

MT Pattern 2 Flute End Mill SLE-MT (SKH51)

TAIYO-TOOL

[Flute shape type]・ Square [Tool material type]· High-speed steel [Coating]・ Uncoated [Number of flutes]・ 2-flute

Blade diameter (D)(φ)	Blade length (ℓ)(mm)	Shank diameter (d)(mm)	Number of flutes(sheet)	Overall Length (L)(mm)	work material	Machining Application	Coating	Blade shape type	Torsion Angle (θ)	Base Blade Y/N	Tool Material Type	Underneck length (ℓ1)(mm)	shank
1/2	30	-	2	119	-	-	Non-Coated	Square	-	-	High-speed steel	-	-

From: 1,567,855 VND
Days to Ship: Số ngày giao hàng: 6 Day(s) or more

6 Day(s) or more


BrandNhãn hiệu
Product SeriesDòng sản phẩm
From
Days to ShipSố ngày giao hàng
Blade diameter (D)(φ)
Blade length (ℓ)(mm)
Shank diameter (d)(mm)
Number of flutes(sheet)
Overall Length (L)(mm)
work material
Machining Application
Coating
Blade shape type
Torsion Angle (θ)
Base Blade Y/N
Tool Material Type
Underneck length (ℓ1)(mm)
shank

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare
BrandNhãn hiệu	YG 1	YG 1	TAIYO-TOOL
Product SeriesDòng sản phẩm	2-Flute Inch End Mill	4-Flute Inch End Mill	MT Pattern 2 Flute End Mill SLE-MT (SKH51)
From	1,003,031 VND	743,452 VND	1,567,855 VND
Days to ShipSố ngày giao hàng	7 Day(s)	7 Day(s)	6 Day(s) or more
Blade diameter (D)(φ)	1/2	1/2	1/2
Blade length (ℓ)(mm)	-	1-1/4	30
Shank diameter (d)(mm)	-	1/2	-
Number of flutes(sheet)	2	4	2
Overall Length (L)(mm)	-	3-1/4	119
work material	general steel[◎] / Quenched and tempered steel[◎] / Aluminum[○] / Copper[○]	general steel[◎] / Quenched and tempered steel[◎] / Aluminum[○] / Copper[○]	-
Machining Application	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	Plane / Side / Groove / Plunging (Z feed) / Inclined Cuts	-
Coating	Non-Coated	-	Non-Coated
Blade shape type	Square	Square	Square
Torsion Angle (θ)	Standard torsion (30-40°)	Standard torsion (30-40°)	-
Base Blade Y/N	-	-	-
Tool Material Type	Cobalt HSS	Cobalt HSS	High-speed steel
Underneck length (ℓ1)(mm)	-	-	-
shank	-	-	-

Loading...Tải…

ConfigureTạo

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Blade diameter (D)(φ)
- 0.45～0.95
  - 0.45
  - 0.8
  - 0.9
  - 0.95
- 1～1.9
  - 1
  - 1/2
  - 1/4
  - 1/8
  - 1.05
  - 1.1
  - 1.2
  - 1.3
  - 1.4
  - 1.5
  - 1.59
  - 1.6
  - 1.7
  - 1.8
  - 1.9
- 2～2.9
  - 2
  - 2.1
  - 2.2
  - 2.3
  - 2.38
  - 2.4
  - 2.5
  - 2.6
  - 2.7
  - 2.8
  - 2.9
- 3～3.97
  - 3
  - 3/4
  - 3/16
  - 3.1
  - 3.18
  - 3.2
  - 3.3
  - 3.4
  - 3.5
  - 3.6
  - 3.7
  - 3.8
  - 3.9
  - 3.97
- 4～4.9
  - 4
  - 4.1
  - 4.2
  - 4.3
  - 4.4
  - 4.5
  - 4.6
  - 4.7
  - 4.76
  - 4.8
  - 4.9
- 5～5.9
  - 5
  - 5/8
  - 5.1
  - 5.2
  - 5.3
  - 5.4
  - 5.5
  - 5.56
  - 5.6
  - 5.7
  - 5.8
  - 5.9
- 6～6.9
  - 6
  - 6.05
  - 6.1
  - 6.2
  - 6.3
  - 6.35
  - 6.4
  - 6.5
  - 6.6
  - 6.7
  - 6.8
  - 6.9
- 7～7.94
  - 7
  - 7/8
  - 7.1
  - 7.2
  - 7.3
  - 7.4
  - 7.5
  - 7.6
  - 7.7
  - 7.8
  - 7.9
  - 7.94
- 8～8.9
  - 8
  - 8.1
  - 8.2
  - 8.3
  - 8.4
  - 8.5
  - 8.6
  - 8.7
  - 8.8
  - 8.9
- 9～9.9
  - 9
  - 9.1
  - 9.2
  - 9.3
  - 9.4
  - 9.5
  - 9.53
  - 9.6
  - 9.7
  - 9.8
  - 9.9
- 10～10.9
  - 10
  - 10.1
  - 10.2
  - 10.3
  - 10.4
  - 10.5
  - 10.6
  - 10.7
  - 10.8
  - 10.9
- 11～11.9
  - 11
  - 11.1
  - 11.11
  - 11.2
  - 11.3
  - 11.4
  - 11.5
  - 11.6
  - 11.7
  - 11.8
  - 11.9
- 12～12.9
  - 12
  - 12.1
  - 12.2
  - 12.3
  - 12.4
  - 12.5
  - 12.6
  - 12.7
  - 12.8
  - 12.9
- 13～13.9
  - 13
  - 13.1
  - 13.2
  - 13.3
  - 13.4
  - 13.5
  - 13.6
  - 13.7
  - 13.8
  - 13.9
- 14～14.9
  - 14
  - 14.1
  - 14.2
  - 14.29
  - 14.3
  - 14.4
  - 14.5
  - 14.6
  - 14.7
  - 14.8
  - 14.9
- 15～15.9
  - 15
  - 15.1
  - 15.2
  - 15.3
  - 15.4
  - 15.5
  - 15.6
  - 15.7
  - 15.8
  - 15.88
  - 15.9
- 16～16.9
  - 16
  - 16.1
  - 16.2
  - 16.3
  - 16.4
  - 16.5
  - 16.6
  - 16.7
  - 16.8
  - 16.9
- 17～17.9
  - 17
  - 17.1
  - 17.2
  - 17.3
  - 17.4
  - 17.46
  - 17.5
  - 17.6
  - 17.7
  - 17.8
  - 17.9
- 18～18.9
  - 18
  - 18.1
  - 18.2
  - 18.3
  - 18.4
  - 18.5
  - 18.6
  - 18.7
  - 18.8
  - 18.9
- 19～19.9
  - 19
  - 19.05
  - 19.1
  - 19.2
  - 19.3
  - 19.4
  - 19.5
  - 19.6
  - 19.7
  - 19.8
  - 19.9
- 20～20.9
  - 20
  - 20.1
  - 20.2
  - 20.3
  - 20.4
  - 20.5
  - 20.6
  - 20.64
  - 20.7
  - 20.8
  - 20.9
- 21～21.9
  - 21
  - 21.1
  - 21.2
  - 21.3
  - 21.4
  - 21.5
  - 21.6
  - 21.7
  - 21.8
  - 21.9
- 22～22.9
  - 22
  - 22.1
  - 22.2
  - 22.23
  - 22.3
  - 22.4
  - 22.5
  - 22.6
  - 22.7
  - 22.8
  - 22.9
- 23～23.9
  - 23
  - 23.1
  - 23.2
  - 23.3
  - 23.4
  - 23.5
  - 23.6
  - 23.7
  - 23.8
  - 23.81
  - 23.9
- 24～24.9
  - 24
  - 24.1
  - 24.2
  - 24.3
  - 24.4
  - 24.5
  - 24.6
  - 24.7
  - 24.8
  - 24.9
- 25～25.9
  - 25
  - 25.1
  - 25.2
  - 25.3
  - 25.4
  - 25.5
  - 25.6
  - 25.7
  - 25.8
  - 25.9
- 26～26.9
  - 26
  - 26.1
  - 26.2
  - 26.3
  - 26.4
  - 26.5
  - 26.6
  - 26.7
  - 26.8
  - 26.9
- 27～27.9
  - 27
  - 27.1
  - 27.2
  - 27.3
  - 27.4
  - 27.5
  - 27.6
  - 27.7
  - 27.8
  - 27.9
- 28～28.9
  - 28
  - 28.1
  - 28.2
  - 28.3
  - 28.4
  - 28.5
  - 28.6
  - 28.7
  - 28.8
  - 28.9
- 29～29.9
  - 29
  - 29.1
  - 29.2
  - 29.3
  - 29.4
  - 29.5
  - 29.6
  - 29.7
  - 29.8
  - 29.9
- 30～30.9
  - 30
  - 30.1
  - 30.2
  - 30.3
  - 30.4
  - 30.5
  - 30.6
  - 30.7
  - 30.8
  - 30.9
- 31～31.9
  - 31
  - 31.1
  - 31.2
  - 31.3
  - 31.4
  - 31.5
  - 31.6
  - 31.7
  - 31.75
  - 31.8
  - 31.9
- 32～32.9
  - 32
  - 32.1
  - 32.2
  - 32.3
  - 32.4
  - 32.5
  - 32.6
  - 32.7
  - 32.8
  - 32.9
- 33～33.9
  - 33
  - 33.1
  - 33.2
  - 33.3
  - 33.4
  - 33.5
  - 33.6
  - 33.7
  - 33.8
  - 33.9
- 34～34.9
  - 34
  - 34.1
  - 34.2
  - 34.3
  - 34.4
  - 34.5
  - 34.6
  - 34.7
  - 34.8
  - 34.9
- 35～35.9
  - 35
  - 35.1
  - 35.2
  - 35.3
  - 35.4
  - 35.5
  - 35.6
  - 35.7
  - 35.8
  - 35.9
- 36～36.9
  - 36
  - 36.1
  - 36.2
  - 36.3
  - 36.4
  - 36.5
  - 36.6
  - 36.7
  - 36.8
  - 36.9
- 37～37.9
  - 37
  - 37.1
  - 37.2
  - 37.3
  - 37.4
  - 37.5
  - 37.6
  - 37.7
  - 37.8
  - 37.9
- 38～38.9
  - 38
  - 38.1
  - 38.2
  - 38.3
  - 38.4
  - 38.5
  - 38.6
  - 38.7
  - 38.8
  - 38.9
- 39～39.9
  - 39
  - 39.1
  - 39.2
  - 39.3
  - 39.4
  - 39.5
  - 39.6
  - 39.7
  - 39.8
  - 39.9
- 40～40.9
  - 40
  - 40.1
  - 40.2
  - 40.3
  - 40.4
  - 40.5
  - 40.6
  - 40.7
  - 40.8
  - 40.9
- 41～41.9
  - 41
  - 41.1
  - 41.2
  - 41.3
  - 41.4
  - 41.5
  - 41.6
  - 41.7
  - 41.8
  - 41.9
- 42～42.9
  - 42
  - 42.1
  - 42.2
  - 42.3
  - 42.4
  - 42.5
  - 42.6
  - 42.7
  - 42.8
  - 42.9
- 43～43.9
  - 43
  - 43.1
  - 43.2
  - 43.3
  - 43.4
  - 43.5
  - 43.6
  - 43.7
  - 43.8
  - 43.9
- 44～44.9
  - 44
  - 44.1
  - 44.2
  - 44.3
  - 44.4
  - 44.5
  - 44.6
  - 44.7
  - 44.8
  - 44.9
- 45～45.5
  - 45
  - 45.5
- 46～46.5
  - 46
  - 46.5
- 47～47.5
  - 47
  - 47.5
- 48～48.5
  - 48
  - 48.5
- 49～49.5
  - 49
  - 49.5
- 50～50.8
  - 50
  - 50.5
  - 50.8
- 51
- 52
- 53
- 54
- 55
- 56
- 57
- 58
- 59
- 60
- 61
- 62
- 63
- 64
- 65
- 66
- 67
- 68
- 69
- 70
- 71
- 72
- 73
- 74
- 75
- 76
- 77
- 78
- 79
- 80
- 85
- 90
- 95
- 100
[2.7-3/0.01φ Unit(s)][3.15-3.5/0.01φ Unit(s)][3.6-4/0.01φ Unit(s)][4.05-16/0.01φ Unit(s)][17-19.99/0.01φ Unit(s)][20.01-22.99/0.01φ Unit(s)][24-25/0.01φ Unit(s)]

Drawing

ClearTrống

Blade length (ℓ)(mm)
1-1/4

1.1

1.6

1.8

2

2.2

2.5

3

3.5

4

4.5

5

5.5

6

6.5

7

7.5

8

9

10

10.5

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

30

31

32

33

34

35

36

38

39

40

45

48

50

53

55

56

57

58

60

63

65

67

68

70

75

80

85

90

95

100

105

106

110

112

115

120

122

125

130

140

145

150

160

180

200

212

250

300
Drawing

ClearTrống

Shank diameter (d)(mm)
1/2

4

5

BS5

6

7

8

9

10

11

12

15

16

19

20

24

25

32

42

108
Drawing

ClearTrống

Number of flutes(sheet)
1

2

3

4

4~6

5

6

8

10

12

14

16

18
ClearTrống

Overall Length (L)(mm)
- 3-1/4
- 27
- 31～38
  - 31
  - 35
  - 38
- 40～48
  - 40
  - 42
  - 45
  - 46
  - 48
- 50～59
  - 50
  - 51
  - 52
  - 53
  - 54
  - 55
  - 56
  - 57
  - 58
  - 59
- 60～69
  - 60
  - 62
  - 63
  - 64
  - 65
  - 66
  - 67
  - 68
  - 69
- 70～79
  - 70
  - 72
  - 73
  - 74
  - 75
  - 76
  - 77
  - 78
  - 79
- 80～89
  - 80
  - 82
  - 83
  - 84
  - 85
  - 86
  - 88
  - 89
- 90～97
  - 90
  - 91
  - 92
  - 95
  - 97
- 100～108
  - 100
  - 101
  - 102
  - 104
  - 105
  - 108
- 110～119
  - 110
  - 115
  - 116
  - 119
- 120～127
  - 120
  - 121
  - 122
  - 123
  - 124
  - 125
  - 127
- 130～137
  - 130
  - 132
  - 133
  - 134
  - 135
  - 137
- 140～149
  - 140
  - 141
  - 142
  - 143
  - 144
  - 145
  - 147
  - 149
- 150～155
  - 150
  - 154
  - 155
- 160～169
  - 160
  - 162
  - 165
  - 166
  - 169
- 170～178
  - 170
  - 173
  - 175
  - 177
  - 178
- 180～189
  - 180
  - 182
  - 183
  - 184
  - 185
  - 186
  - 188
  - 189
- 190～198
  - 190
  - 191
  - 193
  - 195
  - 197
  - 198
- 200～208
  - 200
  - 202
  - 203
  - 205
  - 208
- 210～215
  - 210
  - 213
  - 214
  - 215
- 220～227
  - 220
  - 222
  - 224
  - 225
  - 227
- 230～235.5
  - 230
  - 233
  - 235
  - 235.5
- 240～245.5
  - 240
  - 245
  - 245.5
- 250～255
  - 250
  - 250.5
  - 252
  - 253
  - 255
- 260～265
  - 260
  - 265
- 270～275
  - 270
  - 275
- 280～288
  - 280
  - 283
  - 285
  - 288
- 290～295
  - 290
  - 295
- 300
- 310～315
  - 310
  - 315
- 320
- 340～345
  - 340
  - 345
- 350
- 370
- 390～395
  - 390
  - 395
- 400
- 420
Drawing

ClearTrống

work material
- general steel
- Quenched and tempered steel
- high hardness steel
- Stainless Steel
- Cast Iron
- Aluminum
- Titanium
- Copper
- Resin
- Other
- Other 2
- Other 3
- Other 4
Details

ClearTrống

Machining Application
- Plane
- Side
- Groove
- Plunging (Z feed)
- Inclined Cuts
- Countersinking
- Other
Images

ClearTrống

Coating
- For High Hardness (Silicon Group)
- TiAlN
- For General Steels (AlCrN, etc.)
- TiCN
- TiN
- Non-Coated
- AG
Details

ClearTrống

Blade shape type
- Square
- Roughing
- For Keyway
ClearTrống

Torsion Angle (θ)
- No torsion
- Weak torsion (15 to 25˚)
- Standard torsion (30-40°)
- Powerful Torsion (45°-60°)
- Other
ClearTrống

Base Blade Y/N
- Available
- None
ClearTrống

Tool Material Type
- Cobalt HSS
- Powder high-speed steel
- High-speed steel
- Alloy HSS
Details

ClearTrống

Underneck length (ℓ1)(mm)
10

12

14

17

22

23

27

28

29

37

38

40

44

45

46

48

49

50

53

54

56

58

60

62

64

65

66

70

72

75

80

88

90

95

100

112

113

115

128

144
Drawing

ClearTrống

shank
- Straight
ClearTrống

Related Categories to Square HSS End MillsDanh mục liên quan đến Square HSS End Mills

Top of the page

About MISUMIVề Misumi

About this WebsiteVề trang Web này

Useful ToolsCác công cụ hữu ích

Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều

Tel:Số điện thoại:0222-361-1555
Fax:Số Fax:0222-361-2555
InquiryYêu cầu

MISUMI APP

Install MISUMI APP

MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: cs@misumi.com.vn, Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh

Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: cs@misumi.com.vn, Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh

Search by Category / Brand Tìm theo danh mục, nhãn hiệu

Search by Category Tìm theo danh mục

How can we improve?

Square HSS End Mills（Blade diameter (D)：1/2）

Search by specifying the lower class categoryTìm kiếm bằng cách chỉ định danh mục lớp thấp hơn

ConfigureTạo

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

Blade diameter (D)(φ)

Blade length (ℓ)(mm)

Shank diameter (d)(mm)

Number of flutes(sheet)

Overall Length (L)(mm)

work material

Machining Application

Coating

Blade shape type

Torsion Angle (θ)

Base Blade Y/N

Tool Material Type

Underneck length (ℓ1)(mm)

shank

Related Categories to Square HSS End MillsDanh mục liên quan đến Square HSS End Mills

About MISUMIVề Misumi

About this WebsiteVề trang Web này

Useful ToolsCác công cụ hữu ích

Customer ServiceDịch vụ chăm sóc khách hàng

MISUMI Contact Monday to Saturday: 8:00 am - 5:00 pm Order cut off time is 5:00 pm Thứ 2 đến Thứ 7: 8 giờ sáng đến 5 giờ chiều Hạn chót đặt hàng là 5 giờ chiều