Diameter
No x Buttons diameter mm
Button
angle°
Air
holes
Weight
(Kg)
Part No
mm
inch
Gauge
Front
Drill bits for GD65A hammers
152
6
8x18
4x16+4x14
38
2
23
GD65-152DCC8
165
6 1/2
8x16
24
GD65-165DFF8
178
7
8X18
10X16
26
GD65-178DFF8
185
7 1/4
10x16
26.8
GD65-185DFF8
194
7 1/2
10x18
13x16
27.5
GD65-194DFF8
203
8
8x18+6x16
31
GD65-203DCC8
216
8 1/2
47
GD65-216DCC8
235
9 1/4
12X18
30X16
54
GD65-235DFF8
254
10
12x18
12x18+8x16
65
GD65-254DCC8