China Hbr Series DTH Hammer for Shank Br1 Br2 Br3 Br33 Br4 Br5 Br6, Find details about China DTH Hammers, Br Hammer from Hbr Series DTH Hammer for Shank Br1 Br2 Br3 Br33 Br4 Br5 Br6
BR1 | BR2 | BR3 | |
Length(less bit) | 760mm | 880mm | 889mm |
Weight (less bit) | 10.0kg | 14.5kg | 26.0kg |
External diameter | 54mm | 62mm | 82mm |
Bits shank | BR1 | BR2 | BR3 |
Bits diameter | 64-76mm 2 1/2" - 3" | 70-90mm 2 3/4" - 3 1/2" | 90-110mm 3 1/2" - 4 5/16" |
Connection thread | RD40 BOX | RD50 BOX | API 2 3/8" Reg |
Air pressure | 0.7-1.75 Map | 0.7-1.75Mpa | 0.7-1.75Mpa |