半圆键在轴肩附近工作得很好，标准的开放式键槽会产生太大的压力。它们也经常用于锥形轴。这些钥匙呈圆形，当零件需要经常拆开时，例如进行维护或原型制作时，它们很容易拆卸。因为它们通常比标准机器键短，所以它们在轻型应用中效果最好。使用它们将齿轮和其他组件连接到轴。也称为半月键。

钢键提供良好的强度。

316不锈钢 按键具有优异的耐腐蚀性，但强度不如钢按键。它们可能具有轻微的磁性。

英制键符合 ANSI B17。2 尺寸和公差标准。

Metric keys conform to DIN 6888 standards.

3D CAD models availableFor technical drawings and 3-D models, click on a part number.

Tolerance

Key

Number Wd. For Keyway

Dia. Ht. Lg. Wd. Ht. Specifications

Met Pkg.

Qty. Pkg.

1018-1045 Carbon Steel

1 1/16" 1/2" 0.194" 0.491" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A080 $11.65

2 3/32" 1/2" 0.194" 0.491" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A085 11.90

3 1/8" 1/2" 0.194" 0.491" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A090 12.95

4 3/32" 5/8" 0.24" 0.612" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A095 13.07

5 1/8" 5/8" 0.24" 0.612" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A100 13.47

6 5/32" 5/8" 0.24" 0.612" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A105 13.75

7 1/8" 3/4" 0.303" 0.74" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A115 13.52

8 5/32" 3/4" 0.303" 0.74" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A120 17.26

9 3/16" 3/4" 0.303" 0.74" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A125 16.97

10 5/32" 7/8" 0.365" 0.866" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 50 98481A135 11.52

11 3/16" 7/8" 0.365" 0.866" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 50 98481A140 14.10

12 7/32" 7/8" 0.365" 0.866" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 50 98481A145 16.43

13 3/16" 1" 0.428" 0.992" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A160 10.04

14 7/32" 1" 0.428" 0.992" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A165 11.01

15 1/4" 1" 0.428" 0.992" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A170 11.45

16 3/16" 1 1/8" 0.475" 1.114" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A195 12.05

17 7/32" 1 1/8" 0.475" 1.114" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A200 14.72

18 1/4" 1 1/8" 0.475" 1.114" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A205 15.01

19 3/16" 1 1/4" 0.537" 1.24" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A220 14.05

20 7/32" 1 1/4" 0.537" 1.24" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A225 20.80

21 1/4" 1 1/4" 0.537" 1.24" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A230 18.24

22 1/4" 1 3/8" 0.584" 1.362" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A243 9.87

23 5/16" 1 3/8" 0.584" 1.362" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A245 11.34

24 1/4" 1 1/2" 0.631" 1.484" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A255 10.37

25 5/16" 1 1/2" 0.631" 1.484" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A260 13.15

61 3/16" 5/8" 0.24" 0.612" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 100 98481A110 16.06

91 1/4" 3/4" 0.303" 0.74" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 50 98481A130 14.11

126 3/16" 2 1/8" 0.396" 1.38" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A227 12.16

141 1/4" 1" 0.364" 0.99" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A190 12.63

152 3/8" 1" 0.428" 0.992" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A185 17.16

201 1/16" 1/4" 0.109" 0.248" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 50 98481A050 16.43

206 1/16" 5/16" 0.14" 0.311" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 50 98481A055 16.95

207 3/32" 5/16" 0.14" 0.311" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 50 98481A060 14.52

211 1/16" 3/8" 0.172" 0.374" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 100 98481A065 18.59

212 3/32" 3/8" 0.172" 0.374" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 50 98481A070 10.52

213 1/8" 3/8" 0.172" 0.374" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 50 98481A075 12.45

A 1/4" 7/8" 0.365" 0.866" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 50 98481A150 18.22

B 5/16" 1" 0.428" 0.992" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A175 14.41

C 5/16" 1 1/8" 0.475" 1.114" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 25 98481A210 18.28

D 5/16" 1 1/4" 0.537" 1.24" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A235 10.52

E 3/8" 1 1/4" 0.537" 1.24" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A240 12.11

F 3/8" 1 3/8" 0.584" 1.362" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A250 13.66

G 3/8" 1 1/2" 0.631" 1.484" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A265 14.60

TX 3/8" 2 3/4" 0.584" 2" 0.000" to 0.001" -0.006" to 0.000" ANSI B17.2 10 98481A300 16.71

V 1/2" 2 3/4" 0.75" 2.317" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 5 98481A335 19.84

VX 1/2" 2 3/4" 0.594" 2" 0.000" to 0.001" -0.005" to 0.000" ANSI B17.2 5 98481A310 17.79

__ 1.5mm 7mm 2.6mm 6.8mm -0.025mm to 0.000mm __ DIN 6888 25 98490A110 13.31

__ 2mm 7mm 2.6mm 6.8mm -0.025mm to 0.000mm __ DIN 6888 25 98490A120 11.31

__ 2mm 10mm 3.7mm 9.7mm -0.025mm to 0.000mm __ DIN 6888 25 98490A130 12.14

__ 2mm 13mm 5mm 12.7mm -0.025mm to 0.000mm __ DIN 6888 25 98490A140 14.32

__ 2.5mm 10mm 3.7mm 9.7mm -0.025mm to 0.000mm __ DIN 6888 25 98490A150 9.88

__ 3mm 10mm 3.7mm 9.7mm -0.025mm to 0.000mm __ DIN 6888 25 98490A160 9.80

__ 3mm 13mm 5mm 12.7mm -0.025mm to 0.000mm __ DIN 6888 25 98490A170 8.12

__ 3mm 16mm 6.5mm 15.7mm -0.025mm to 0.000mm __ DIN 6888 25 98490A180 10.80

__ 4mm 13mm 5mm 12.7mm -0.030mm to 0.000mm __ DIN 6888 25 98490A190 10.14

__ 4mm 16mm 6.5mm 15.7mm -0.030mm to 0.000mm __ DIN 6888 25 98490A200 10.47

__ 4mm 19mm 7.5mm 18.6mm -0.030mm to 0.000mm __ DIN 6888 25 98490A210 14.65

__ 5mm 16mm 6.5mm 15.7mm -0.030mm to 0.000mm __ DIN 6888 25 98490A220 11.72

__ 5mm 19mm 7.5mm 18.6mm -0.030mm to 0.000mm __ DIN 6888 25 98490A230 14.65

__ 5mm 22mm 9mm 21.6mm -0.030mm to 0.000mm __ DIN 6888 25 98490A240 17.10

__ 5mm 25mm 10mm 24.5mm -0.030mm to 0.000mm __ DIN 6888 10 98490A250 16.23

__ 6mm 19mm 7.5mm 18.6mm -0.030mm to 0.000mm __ DIN 6888 10 98490A255 7.87

__ 6mm 22mm 9mm 21.6mm -0.030mm to 0.000mm __ DIN 6888 10 98490A260 8.04

__ 6mm 25mm 10mm 24.5mm -0.030mm to 0.000mm __ DIN 6888 10 98490A270 10.28

__ 6mm 28mm 11mm 27.35mm -0.030mm to 0.000mm __ DIN 6888 10 98490A280 13.13

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