Down The Hole Hammer :
Hammer to Drill a hole of dia 70 - 80 mm (2 3/4 - 3 15/99).
ST25BR is a valve type hammer designed for high performance at low operating air pressures.
BR2 bit has a strong robust design to withstand heavy duty application and it does not use foot valves which reduces the possibility of hammer failure.
ST25BR Hammer maximizes energy output and reduces service requirements.