Diameter
No x Buttons diameter mm
Button
angle°
Air
holes
Weight
(Kg)
Part No
mm
inch
Gauge
Front
Drill bits for GD85A hammers
203
8
10x18
8x18+6x16
38
2
47
GD85-203DCC8
216
8 1/2
53
GD85-216DCC8
235
9 1/4
12X18
30X16
57.5
GD85-235DFF12
254
10
12x18
12x18+8x16
61
GD85-254DCC12
275
11
20x18+9x16
71
GD85-275DCC12
305
12
4
95
GD85-305DCC12