My company has product patent right for this model.
B77C jack hammer is a pneumatic tool for chipping or breaking concrete or stone in mining and construction work. It has the characteristic of simple structure, high efficiency and easy operation..
For easy operation, that is you just need to connect it with a right shank steel rod, connect the air source to make it work. It’s an ideal tools to break the hard object.
Specification
| Weight | 39kg |
| Length | 763mm |
| Rammer dia. | 57mm |
| Rammer stroke | 189mm |
| Air pressure | 0.63Mpa |
| Impact frequency | 18.3Hz |
| Air consumption | 34L/s (2.04m³/min) |
| Air pipe inner dia. | 19mm (3/4inch) |
| Lubrication capacity | 30ml |
| Bit shank size | 32*152mm (1-1/4*6inch) 32*160mm(1-1/4*6.3inch) |