Nominal Chain Size |
Material Diameter |
Working Load Limit (Max.) |
Proof Test** (Min.) |
Minimum Breaking Force** |
Inside Length (Max.) |
Inside Width Range |
|||||||
in |
mm |
in |
mm |
lbs |
k9 |
lbs |
kN |
lbs |
kN |
in |
mm |
in |
mm |
7/32 |
5.5 |
0.217 |
5.5 |
2.100 |
970 |
4.200 |
19.0 |
8.400 |
38.0 |
0.69 |
17.6 |
0.281 - 0.325 |
7.14 - 8.25 |
9/32 |
7.0 |
0.276 |
7.0 |
3.500 |
1.570 |
7.000 |
30.8 |
14.000 |
61.6 |
0.90 |
22.9 |
0.375- 0.430 |
9.53- 10.92 |
5/16 |
8.0 |
0.315 |
8.0 |
4.500 |
2.000 |
9.000 |
40.3 |
18.000 |
80.6 |
1.04 |
26.4 |
0.430 - 0.500 |
10.92- 12.70 |
3/8 |
10.0 |
0.394 |
10.0 |
7.100 |
3.200 |
14.200 |
63.0 |
28.400 |
126.0 |
1.26 |
32.0 |
0.512- 0.600 |
13.00- 15.20 |
1/2 |
13.0 |
0.512 |
13.0 |
12.000 |
5.400 |
24.000 |
107.0 |
48.000 |
214.0 |
1.64 |
41.6 |
0.688- 0.768 |
17.48- 19.50 |
5/8 |
16.0 |
0.630 |
16.0 |
18.100 |
8.200 |
36.200 |
161.0 |
72.400 |
322.0 |
2.02 |
51.2 |
0.812- 0.945 |
20.63 - 24.00 |
3/4 |
20.0 |
0.787 |
20.0 |
28.300 |
12.800 |
56.600 |
252.0 |
113.200 |
504.0 |
2.52 |
64.0 |
0.984- 1.180 |
25.00 - 30.00 |
7/8 |
22.0 |
0.866 |
22.0 |
34.200 |
15.500 |
68.400 |
305.0 |
136.800 |
610.0 |
2.77 |
70.4 |
1.080- 1.300 |
27.50 - 33.00 |
1 |
26.0 |
1.020 |
26.0 |
47.700 |
21.600 |
95.400 |
425.0 |
190.800 |
850.0 |
3.28 |
83.2 |
1.280- 1.540 |
32.50 - 39.00 |
1-1/4 |
32.0 |
1.260 |
32.0 |
72.300 |
32.800 |
144.600 |
644.0 |
289.200 |
1.288.0 |
4.03 |
102.4 |
1.580- 1.890 |
40.00 - 48.00 |