
The hook block is designed and manufactured in accordance with API spec 8Cand other related technical standards.
The loaded parts are made of good-quality alloy steel.
The traveling block and the hook block are designed integrally with a miniature size and a compact structure, which is suitable for assembly on the truck-mounted drilling rigs.
Technical parameters:
| 
				 Model  | 
			
				 YG20/35  | 
			
				 YG60/YG70  | 
			
				 YG90  | 
			
				 YG110  | 
			
				 YG135B  | 
			
				 YG160/YG160B  | 
			
				 YG180  | 
			
				 YG7225  | 
			
				 YC350/DG350  | 
			
				 YC450/DG4450  | 
		
| 
				 Max hook load (lbs)  | 
			
				 
					50000/  | 
			
				 130000/ 150000  | 
			
				 200000  | 
			
				 250000  | 
			
				 300000  | 
			
				 350000  | 
			
				 400000  | 
			
				 500000  | 
			
				 770930  | 
			
				 991190  | 
		
| 
				 OD of pulley (in)  | 
			
				 
					15 3/4/  | 
			
				 24  | 
			
				 30  | 
			
				 30  | 
			
				 30  | 
			
				 30  | 
			
				 36  | 
			
				 36  | 
			
				 60  | 
			
				 60  | 
		
| 
				 Number of pulley  | 
			
				 2(3)  | 
			
				 4/3  | 
			
				 3  | 
			
				 4  | 
			
				 4  | 
			
				 5/4  | 
			
				 4  | 
			
				 5  | 
			
				 6  | 
			
				 6  | 
		
| 
				 Dia. of the wireline (in)  | 
			
				 3/4’’ / 7/8’’  | 
			
				 7/8’’  | 
			
				 1  | 
			
				 1  | 
			
				 1  | 
			
				 1/ 1 1/8’’  | 
			
				 1 1/4’’  | 
			
				 1 1/4’’  | 
			
				 1 3/8’’  | 
			
				 1 3/8’’  | 
		
| 
				 Hook type  | 
			
				 Two hooks  | 
			
				 Three hooks  | 
			
				 Three hooks  | 
			
				 Three hooks  | 
			
				 Three hooks  | 
			
				 Three hooks  | 
			
				 Three hooks  | 
			
				 Three hooks  | 
			
				 DG  | 
			
				 DG  | 
		
| 
				 Open size of the hook mouth (in)  | 
			
				 3 1/2  | 
			
				 4 3/8  | 
			
				 4 3/8  | 
			
				 6  | 
			
				 6  | 
			
				 7  | 
			
				 7 1/2  | 
			
				 7 1/2  | 
			
				 18 5/16’’  | 
			
				 20’’  | 
		
| 
				 Spring stroke (in)  | 
			
				 6  | 
			
				 4 1/2  | 
			
				 6  | 
			
				 6  | 
			
				 6  | 
			
				 6  | 
			
				 7  | 
			
				 7  | 
			
				 7.88  | 
			
				 7.88  | 
		
| 
				 Weight (lbs)  | 
			
				 
					732  | 
			
				 535  | 
			
				 4409  | 
			
				 5093  | 
			
				 6266  | 
			
				 7231/ 7055  | 
			
				 10207  | 
			
				 10432  | 
			
				 6840/3410  | 
			
				 8150/3496  |