Standard:	U.S. Fed. Spec. RR-C-271.b
Material:	High Tensil Steel, Quenched and Tempered
Finish:	All parts hot dip galvanized, red painted bolts
Safety Factor:	6,0
Documentation:	Test certificate and traceable 3.1.B certificate

WLL Tons	Nominal Size d	Bolt dia d1	Inside width a	Inside length c	Outside eye d 2	Inside bow e	Weight Safety Bolt	Weight Screw Pin
0,33	3/16" - 5	6	10	22	13	16	-	0,02
0,5	1/4" - 6	8	12	29	16	20	0,07	0,06
0,75	5/16" - 8	10	13	32	20	21	0,13	0,11
1,0	3/8" - 9	11	16	36	22	26	0,17	0,15
1,5	7/16" - 11	13	18	43	26	29	0,25	0,21
2,0	1/2" - 13	16	21	47	33	33	0,42	0,37
3,25	5/8" - 16	19	27	60	40	42	0,7	0,65
4,75	3/4" - 19	22	31	71	47	51	1,2	1,1
6,5	7/8" - 22	25	37	84	50	58	1,7	1,5
8,5	1" - 25	28	43	95	58	68	2,5	2,2
9,5	1.1/8" - 28	32	46	108	64	74	3,4	3,1
12,0	1.1/4" - 32	35	52	119	72	83	4,8	4,2
13,5	1.3/8" - 35	38	57	132	74	89	7,0	6,0
17,0	1.1/2" - 38	42	60	146	84	98	9,0	8,0
25,0	1.3/4" - 45	50	73	178	90	127	15,0	13,5
35,0	2" - 50	57	83	197	127	138	21,0	19,0
42,5	2.1/4" - 57	65	95	222	140	160	29,0	-
55,0	2.1/2" - 65	70	105	255	152	185	41,0	38,0
85,0	3" - 75	80	127	330	165	190	62,0	-
120,0	3.1/2" - 89	95	146	380	203	235	110,0	-

*Forging tolerances: +/-5% on inside width / length.