B70 Air Compressor Road Hammer Drill Breaker has the advantages of big impact power and low air consumption, easy for operation; mounted with advanced silencer which ensures compliance with noise standard. It is environmental friendly and protect operator’s health. Built in lubrication systems increase service life.
B70 Air Compressor Road Hammer Drill Breaker is widely used in breaking work; B90 is mainly used for demolition work, road maintenance or mining and construction work.
| Product Model | B90 | B70 | |||
| Weight (kg) | 34 | 29 | |||
| Length (mm) | 745 | 725 | |||
| Shank size (mm) | 32×152(160) | 32×152(160) | |||
| Air Pressure (at 5kg/cm2) | Air consumption (L/s) | ≤27 | ≤24 | ||
| Impact frequency (Hz) | ≥16 | ≥16.8 | |||
| Drill steel fixing method | Retainer | Retainer | |||
| Air hose inner diameter (mm) | 19 | 19 | |||
| Product Article Number | 3312300412 | 3312300413 | |||
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Executive Editor: Linda Zhang