diameter
no x buttons diameter mm
button
angle°
air
holes
weight
(kg)
part no
mm
inch
gauge
front
drill bits for gm50 hammers
138
5 1/2
7x18
7x15
38
2
13
gm50-138dvc7
146
5 3/4
14
gm50-146dcv7
152
6
8x16
8x15
14.4
gm50-152dff8
165
6 1/2
8x18
15.6
gm50-165dff8
178
7
10x16
18.2
gm50-178dff8
185
7 1/4
24
gm50-185dff8