BR1 BR2 BR3 Middle Air Pressure DTH Hammers

BR1 BR2 BR3 hammer specifications:
Length(less bit)
BR1: 760mm
BR2: 880mm
BR3: 889mm

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Description

DTH hammer with high quality models: BR1, BR2, BR3

BR1 BR2 BR3 hammer specifications:

BR1 BR2 BR3
Length(less bit) 760mm 880mm 889mm
Weight (less bit) 10KG 14.5KG 26kg
External diameter 54mm 62mm 82mm
Bits shank BR1 BR2 BR3
Bits diameter 64mm-76mm 70mm-90mm 90-110mm
Top sub thread RD40 BOX RD50 BOX API 2 3/8″ Reg
Air pressure 7-17.5 bar 7-17.5 bar 7-17.5 bar

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