(1) My company has product patent right for this model.
(2) 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..
(3) 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.
(4) Specification
(5) Weight 39kg
(6) Length 763mm
(7) Rammer dia. 57mm
(8) Rammer stroke 189mm
(9) Air pressure 0.63Mpa
(10) Impact frequency 18.3Hz
(11) Air consumption 34L/s (2.04m³/min)
(12) Air pipe inner dia. 19mm (3/4inch)
(13) Lubrication capacity 30ml
(14) Bit shank size 32*152mm (1-1/4*6inch)
32*160mm(1-1/4*6.3inch)