B77C Pneumatic Paving Hammer Breaker is widely used in road construction, concrete and other hard objects demolition. B87C, B77C, B67C Jack hammer is a ideal tool that break up concrete and other solid object in the road construction and installation.
B77C concrete breaker hammer has characteristic of simple structure, high efficiency and handy use. As long as fix a drill shank, turn on air source, then working.
Model | B77C | B87C | B67C | |
Weight | 39 | 39 | 30 | kg |
Length | 763 | 686 | 615 | mm |
Cylinder diameter | 57 | 63.5 | 50.8 | mm |
Air Consumption | ≤34 | ≤44 | ≤34 | L/S |
Impact Frequency | ≥18.3 | ≥16.5 | ≥22 | Hz |
Air Hose Inner Dia. | 19 | 19 | 19 | mm |