Features: Industrial-grade design, large torque, light weight.
Uses: Pneumatic impact wrench is a special wrench specialized for high strength and continuous disassembly and installing bolts.
| Model | Bolt size M (mm) | Driving square (mm) | Torque (Nm) | Air consumption （L/S） | Weight （kg） |
| KET-QBJ-20 | 18-20 | 20×20 | 490 | 30 | 4.5 |
| KET-QBJ-30 | 24-30 | 25×25 | 1605 | 40 | 7.4 |
| KET-QBJ-42 | 32-42 | 30×30 | 4492 | 50 | 11.5 |
| KET-QBJ-56 | 45-56 | 30×30 | 9980 | 60 | 15.5 |
| KET-QBJ-72 | 58-72 | 45×45 | 18076 | 75 | 33 |
| KET-QBJ-100 | 76-100 | 63.5×63.5 | 43576 | 90 | 88 |
![[Hydraulic Bolt Tools] Use occasions](/KIET_upLoad/JJFA/69/s.jpg)
