Hotline:+86-0731-28587398
GBR series
Home > Product > DTH hammers > GBR series
GBR1A
Product description

Middle&Low air pressure DTH hammers and drill bits                   GBR series DTH drill bits

直径

Diameter

合金数量、直径

No x Buttons diameter mm

角度

Button

angle°

 

气孔

Air

holes

重量

Weight

(Kg)

编号

Part No

mm

inch

边齿

Gauge

中齿

Front

GBR1A冲击器用钻头 Drill bits for GBR1A hammers

64

3 9/16

6x10

3x10

38

2

2.6

GBR1-64BFF6

70

3 3/4

6X12

4X9

38

2

2.8

GBR1-70BFF6

76

3 15/16

6X13

5X10

38

2

3.2

GBR1-76BFF6