d
D
W
S
E
W=Safe
d=
D=
W=
S=
e=
Weight
Working
each/kg
Load
0.49√M
0.56√M
0.95√M
1.81√M
1.12√M
tons cwt
in.
5
1/4
3/8
1/2
1
3/4
0.11
10
1 1/2
0.17
15
5/8
1 1/8
2 1/8
1 1/4
0.35
1 10
2 1/2
0.66
2 0
7/8
2 7/8
1 3/4
1.02
3 0
3 1/4
2
1.57
3 15
3 3/4
2 1/4
2.3
5 0
4 1/8
3.2
6 0
1 3/8
2 3/8
4 1/2
2 3/4
4.3
7 0
2 5/8
3
5.4
9 10
5 3/8
3 1/2
6.8
11 5
1 5/8
1 7/8
5 3/4
8.7
13 0
6 3/8
4
11
14 5
3 5/8
7
4 1/4
14.3
16 5
3 7/8
7 3/8
20