DROP FORGED CHAIN SHACKLES

(Screw Pin & Round Pin Type)

Meet Federal Specification RR - C -271D, Type IVB, Grade A, Class 2

Hot Dip Galvanized Forged Steel, Alloy Pin

Quenched and Tempered

Proof Load is 2.2 times the Working Load Limit

Ultimate Load is 6 times the Working Load Limit

Nominal Size (inch)	Working Load Limit(T)	Screw Pin Type Weight Each (lbs)	Round Pin Type Weight Each (lbs)
1/4	1/2	0.11	0.11
5/16	3/4	0.17	0.18
3/8	1	0.24	0.25
7/16	1 1/2	0.40	0.40
1/2	2	0.59	0.50
5/8	3 1/4	1.21	1.21
3/4	4 3/4	2.25	2.00
7/8	6 1/2	3.16	3.28
1	8 1/2	4.75	4.75
1 1/8	9 1/2	6.75	6.30
1 1/4	12	9.06	9.00
1 3/8	13 1/2	11.63	12.00
1 1/2	17	15.95	16.15
1 3/4	25	26.75	29.96
2	35	42.31	43.25
2 1/2	155	71.75	73.33