Johnson Duplex Hooks

duplex-hook-diagram

Cast alloy steel duplex hooks are available as an option on J-Blocks and Quick Reeve blocks 80 through 300 ton (standard on models rated 350 tons and above). These hooks adapt directly to the Shorty “J” and Quick Reeve blocks. Design features include Johnson J latches on hooks thru 450 ton and double-bar type hook latches on larger sizes , plus lower bail attachment hole. Forged steel duplex hooks are also available, their prices supplied upon application. Other duplex hook options include anti-rotation locking devices, all models, and lower bails.

MODEL	WT.	A	B	C	E	F	H	K	P	U	W	X
80	310	27	18.500	5.125	4	25	5.625	3.812	5.250	3.562	4.562	10.625
90-110	578	31	21.250	6	5	29.500	6.312	4.625	6	4.187	5.500	13.062
115-140	616	31.312	21.562	6	5	29.500	6.312	4.625	6	4.187	5.500	13.062
150-165	890	32.750	21.812	6.750	6	33	6.750	5.375	6.500	4.687	6.500	19.312
200	1276	37.187	23.500	7.750	7	36.500	7.750	6.375	7.500	6.187	7.500	21.125
250-265	1402	37.375	23.687	7.750	7	36.500	7.750	6.375	7.500	6.187	7.500	21.125
300-350	2407	49.250	31	10	9	46.500	10.062	12	10	7.625	8.750	28.187
450	2431	71.31	45.00	10	8	45.000	n/a	n/a	5.00	n/a	10.00	27.67
600	4700	62.562	35.437	14	11	60	12.875	15	14	8.500	10.750	25.750

Standard J-Block W.L.L (Tons)	Net Weight Added By Duplex Hook (Lbs)
75-80	31
90-110	179
115-140	40
150-165	97
200	212
250-265	-178
300-325	600
350	*
600	*