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CNS 172-1983
Woodruff key
Nom
h
c
r
L
d1
1.5x1.5
1.5
--
--
3.86
4
1.5x2.1
2.5
--
--
6.7
7
2x2.5
2.5
0.2
0.2
6.7
7
2x4
4
0.2
0.2
9.8
10
2x5
5
0.2
0.2
12.64
13
3x4
4
0.3
0.3
9.8
10
3x5
5
0.3
0.3
12.64
13
3x6.5
6.5
0.3
0.3
15.72
16
3x8
8
0.3
0.3
18.72
19
4x5
5
0.3
0.3
12.64
13
4x6.5
6.5
0.3
0.3
15.72
16
4x8
8
0.3
0.3
18.72
19
4x9.5
9.5
0.3
0.3
21.7
22
5x8
8
0.4
0.4
18.76
19
5x9.5
9.5
0.4
0.4
21.7
22
5x11
11
0.4
0.4
24.82
25
5x12
12
0.4
0.4
27.7
28
6x9.5
9.5
0.4
0.4
21.7
22
6x11
11
0.4
0.4
24.82
25
6x12
12
0.4
0.4
27.7
28
6x14
14
0.4
0.4
31.74
32
6x15
15
0.4
0.4
34.64
35
6x16
16
0.4
0.4
37.52
38
8x11
11
0.5
0.5
24.82
25
8x12
12
0.5
0.5
27.7
28
8x14
14
0.5
0.5
31.74
32
8x15
15
0.5
0.5
34.64
35
8x16
16
0.5
0.5
37.52
38
10x14
14
0.5
0.5
31.74
32
10x15
15
0.5
0.5
34.64
35
10x16
16
0.5
0.5
37.52
38
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