Internal Combustion Bolt Wrench

NLB-700

Spindle Speed: Two shifts available for spindle speed.
Transmission Gears: Made of high-quality steel.
Reversible Operation: Directions of spindle revolution are reversible for both tightening and loosening.
Clutch: Wear-resistant, self-adjusting steel cone clutch with enforced recycling lubrication for clutch and bearing.
Torque Control: Output torque is accurately controlled and adjusted via a hydraulic servo; torque readout displayed on indicator.
Ergonomic Design: Easy operation with a height-adjustable hand lever and instantaneous impact torque via switch-off lever.
Hydraulic Safety: Hydraulic servo activates in case of overloading.
Chassis: Monorail chassis with anti-friction bearings and optional bilateral rail chassis; retractable jib with insulating rollers.
Socket Features: Integrated lighting device with exchangeable bolt sockets.
Efficiency: Tightens bolts in under 3 seconds and loosens in under 2 seconds.
Recognition: Won first place in competitions held by Lanzhou Railway Bureau and Shenyang Railway Bureau