Hook Block

The Hook Block includes a traveling block and a hook, it can be used to lifting drill string when in drilling situation. Its housing assembly is made of thick section steel plate and wire rope is kept taut when hoisting or lowering the unload block. Sheave grooves are hardened by medium frequency induction to provided extended service life Working sheaves have double-row conical roller bearings and each bearing is individually lubricated The sheaves are interchangeable with Corresponding Crown Block.The Traveling Block and the Hook conforms to 8C.

Hook:

Model		DG90	DG135	DG170	DG225	DG315	DG450	DG585
Max. Hook Load	kN	900	1350	1700	2250	3150	4500	5850
Max. Hook Load	Ton	100	150	200	250	350	500	650
Main hook opening size	Mm	155	165	180	190	220		238
Main hook opening size	in	6-1/16	6-1/2	7	7-1/2	8-5/8		9-3/8
Assistant hook dia.	Mm	80	90		100	120
Assistant hook dia.	in	3-1/8	3-1/2		4	4-3/4
Spring stroke	mm	180				200
Spring stroke	in	7				8

Traveling Block:

Model		YC90	YC135	YC170	YC225	YC315	YC450	YC585
Max. Hook Load	kN	900	1350	1700	2250	3150	4500	5850
Max. Hook Load	Ton	100	150	200	250	350	500	650
Sheave O.D.	Mm	762	915		1120	1270	1524
Sheave O.D.	in	30	36		44	50	60
Sheave Qty		4		5		6		7
Wire Rope Dia.	mm	26		29	32	35	38	42
Wire Rope Dia.	in	1	1	1-1/8	1-1/4	1-3/8	1-1/2	1-5/8