Transeals - Keyway Chart頁 1 / 3
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22 30 38 44 50 58 65 75 85 95
30 8 x 7 38 44 50 58 65 75 85 95 110
Nominal
Shaft Diam Key
To Size
Over
(incl.) 10 12 17
12 4 x 4 17 5 x 5 22 6 x 6
Keyway Chart
The following tables show standard dimensions for keys and their grooves.
Metric – Rectangular
B.S.4235 : PART 1 : 1972
Dimensions (mm)
A
B
C
D
E
F
R 0.16 0.25 0.25
3.970 2.5 3.985 1.8 4.000 2.6 4.015 1.9 4.970 3.0 4.985 2.3 5.000 3.1 5.015 2.4 5.970 3.5 5.985 2.8 6.000 3.6 6.015 2.9
4.030 3.970 5.030 4.970 6.030 5.970
7.964 4.0 7.982 3.3 8.000 7.000
0.25
8.000 4.2 8.018 3.5 7.964 6.910
10 x 9.964 5.0 9.982 3.3 10.000 8.000
0.40
8 10.000 5.2 10.018 3.5 9.964 7.910 12 x 11.957 5.0 11.979 3.3 12.000 8.000
0.40
8 12.000 5.2 12.021 3.5 11.957 7.910 14 x 13.957 5.5 13.979 3.8 14.000 9.000
0.40
9 14.000 5.7 14.021 4.0 13.957 8.910 16 x 15.957 6.0 15.979 4.3 16.000 10.000
0.40
10 16.000 6.2 16.021 4.5 15.957 9.910 18 x 17.957 7.0 17.979 4.4 18.000 11.000
0.40
11 18.000 7.2 18.021 4.6 17.957 10.890 20 x 19.948 7.5 19.974 4.9 20.000 12.000
0.60
12 20.000 7.7 20.026 5.1 19.948 11.890 22 x 21.948 9.0 21.974 5.4 22.000 14.000
0.60
14 22.000 9.2 22.026 5.6 21.948 13.890 25 x 24.948 9.0 24.974 5.4 25.000 14.000
0.60
14 25.000 9.2 25.026 5.6 24.948 13.890 28 x 27.948 10.0 27.974 6.4 28.000 16.000
0.60
16 28.000 10.2 28.026 6.6 27.948 15.890 32 x 31.938 11.0 31.969 7.4 32.000 18.000
0.60
18 32.000 11.2 32.031 7.6 31.938 17.890
110 130