BR3-90 flat face dth drill bit

BR1, BR2, BR3 is low pressure and mdedium pressure hammer using BR series bits.
It is valveless hammer, especially suitable for quarrying.

BR1 hammer technical data:

Length(without bits): 880mm
Weight(without bits): 14.5kg
External diameter: 62mm
Shank: Bulroc BR2
Hole range: 70mm-90mm
Connection thread: RD50 BOX
Working pressure: 7-17.5 bar
Impact rate ar 14 bar: 25Hz
Recmmended rotation speed: 25-40r/minaa

Air consumption:
At 7 bar: 2.5m3/min
At 10 bar: 4m3/min
At 14 bar: 5m3/min

We can prodive DTH bits for BR2 hammer diameter: 70mm, 76mm, 80mm, 85mm, 90mm  customers' design is avaible.

bor lf�jo�rolid #000000;border-right: .5pt solid #000000;border-top: .5pt solid #000000;border-bottom: .5pt solid #000000;mso-protection:locked visible;height:15.00pt;width:60.75pt;">28*17mm7*14mm16.0kgs 14628*18mm7*14mm17.0kgs 15228*17mm8*14mm17.5kgs 16528*18mm9*16mm18.5kgs COP6415228*17mm8*14mm23.5kgs 16528*18mm9*16mm24.5kgs 17128*18mm10*16mm26.5kgs 19039*18mm11*16mm28.5kgs 20339*18mm12*16mm32.0kgs    

BR 2 BIT

BR 2 Bits are available in diameter range between 76-90mm. these bits have 3 flushing holes and 

                                                                are available in three bit face styles: flat, concave,convex and in three carbides shape of DTH buttons:

                                                                Dome, Parabolic(Semi-Ballistic), Ballistic.