Chain Size | Minimum Allowable Chain size | ||
Inches | cm | Inches | cm |
1/4 | .6 | 1 3/64 | .5 |
3/8 | 1.0 | 19/64 | .8 |
1/2 | 1.3 | 25/64 | 1.0 |
5/8 | 1.6 | 31/64 | 1.2 |
3/4 | 1.9 | 19/32 | 1.5 |
7/8 | 2.2 | 45/64 | 1.8 |
1 | 2.5 | 13/16 | 2.1 |
1 1/8 | 2.9 | 29/32 | 2.3 |
1 1/4 | 3.2 | 1 | 2.5 |
1 3/8 | 3.5 | 1 3/32 | 2.8 |
1 1/2 | 3.8 | 1 3/16 | 3.0 |
1 3/4 | 4.4 | 1 13/32 | 3.5 |
SAFE WORKING LOADS FOR SHACKLES | |||||||
(In tons of 2000 pounds) | |||||||
Material size | Pin diameter | Safe working | |||||
inches | cm | inches | cm | load | |||
1/2 | 1.3 | 5/8 | 1.6 | 1.4 | |||
5/8 | 1.6 | 3/4 | 1.9 | 2.2 | |||
3/4 | 1.9 | 7/8 | 2.2 | 3.2 | |||
7/8 | 2.2 | 1 | 2.5 | 4.3 | |||
1 | 2.5 | 1 1/8 | 2.9 | 5.6 | |||
1 1/8 | 2.9 | 1 1/4 | 3.2 | 6.7 | |||
1 1/4 | 3.2 | 1 3/8 | 3.5 | 8.2 | |||
1 3/8 | 3.5 | 1 1/2 | 3.8 | 10.0 | |||
1 1/2 | 3.8 | 1 5/8 | 4.1 | 11.9 | |||
1 3/4 | 4.4 | 2 | 5.0 | 16.2 | |||
2 | 5.0 | 2 1/4 | 5.7 | 21.2 |
Cal. Code Regs. Tit. 8, div. 1, ch. 4, subch. 7, grp. 3, art. 14, tbl. MT-2