Specifications

Specifications
THREAD DIA. & TAKE UP (IN.)	WORKING LOAD LIMIT (LBS.)*	WEIGHT EACH (LBS.)	DIMENSIONS (IN.)
			A	J OPEN	K CLOSED	M OPEN	N CLOSED	R	S	X CLOSED	BB
1/4 x 4	500	0.26	0.25	11.8	7.8	12.25	8.25	0.78	0.34	1.75	4
5/16 x 4-1/2	800	0.45	0.31	13.56	9.06	14.12	9.62	0.94	0.44	2.09	4.5
3/8 x 6	1200	0.76	0.38	17.47	11.47	18.16	12.16	1.12	0.53	2.52	6
1/2 x 6	2200	1.54	0.5	20.08	13.08	20.96	13.96	1.44	0.72	3.23	6
1/2 x 12	2200	2.14	0.5	32.08	19.08	32.96	19.96	1.44	0.72	3.23	12
5/8 x 6	3500	2.4	0.63	21.93	14.68	22.93	15.68	1.75	0.88	3.9	6
5/8 x 12	3500	3.42	0.63	33.93	20.68	34.93	21.68	1.75	0.88	3.9	12
3/4 x 6	5200	3.79	0.75	23.88	16.38	25.12	17.62	2.09	1	4.69	6
3/4 x 12	5200	5.48	0.75	35.88	22.38	37.12	23.62	2.09	1	4.69	12
3/4 x 18	5200	7.19	0.75	47.88	28.38	49.12	29.62	2.09	1	4.69	18
7/8 x 12	7200	7.22	0.88	37.07	23.32	38.57	24.82	2.38	1.25	5.1	12
7/8 x 18	7200	9.95	0.88	49.07	29.32	50.57	30.82	2.38	1.25	5.1	18
1 x 6	10000	9.04	1	27.97	19.97	29.72	21.72	3	1.44	6.36	6
1 x 12	10000	11.5	1	39.97	25.97	41.97	27.72	3	1.44	6.36	12
1 x 18	10000	14	1	51.97	31.97	53.72	33.72	3	1.44	6.36	18
1 x 24	10000	17.25	1	63.97	37.97	65.72	39.72	3	1.44	6.36	24
1-1/4 x 12	15200	19	1.25	42.81	28.31	45.06	30.56	3.56	1.81	7.72	12
1-1/4 x 18	15200	23	1.25	54.81	34.31	57.06	36.56	3.56	1.81	7.72	18
1-1/4 x 24	15200	27	1.25	66.81	40.31	69.06	42.56	3.56	1.81	7.72	24
1-1/2 x 12	21400	27.5	1.5	45.5	30.5	48	33	4.06	2.12	8.62	12
1-1/2 x 18	21400	31	1.5	57.5	36.5	60	39	4.06	2.12	8.62	18
1-1/2 x 24	21400	37.5	1.5	69.5	42.5	72	45	4.06	2.12	8.62	24
1-3/4 x 18	28000	52.5	1.75	57.38	39.38	60.38	42.38	4.62	2.38	10	18
1-3/4 x 24	28000	58	1.75	69.38	45.38	72.38	48.38	4.62	2.38	10	24
2 x 24	37000	85.25	2	75.69	51.69	79.19	55.19	5.75	2.69	13.09	24
2-1/2 x 24	60000	144.25	2.5	78.62	54.62	82.62	58.62	6.5	3.12	13.78	24
2-3/4 x 24	75000	194	2.75	81	57	85.5	61.5	7	3.25	15.22	24
* Proof Load is 2.5 times the Working Load Limit. Ultimate Load is 5 times the Working Load Limit.
Mechanical Galvanized.