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GB/T 1567-2003
Rectangular thin key-Type B
Nom
b max
b min
h max
h min
c max
c min
r max
r min
5x3
5
4.982
3
2.94
0.4
0.25
0.4
0.25
6x4
6
5.982
4
3.925
0.4
0.25
0.4
0.25
8x5
8
7.978
5
4.925
0.4
0.25
0.4
0.25
10x6
10
9.978
6
5.925
0.6
0.4
0.6
0.4
12x6
12
11.973
6
5.925
0.6
0.4
0.6
0.4
14x6
14
13.973
6
5.925
0.6
0.4
0.6
0.4
16x7
16
15.973
7
6.91
0.6
0.4
0.6
0.4
18x7
18
17.973
7
6.91
0.6
0.4
0.6
0.4
20x8
20
19.967
8
7.91
0.8
0.6
0.8
0.6
22x9
22
21.967
9
8.91
0.8
0.6
0.8
0.6
25x9
25
24.967
9
8.91
0.8
0.6
0.8
0.6
28x10
28
27.967
10
9.91
0.8
0.6
0.8
0.6
32x11
32
31.961
11
10.89
0.8
0.6
0.8
0.6
36x12
36
35.961
12
11.89
1.2
1
1.2
1
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