diameter
no x buttons diameter mm
button
angle°
air
holes
weight
(kg)
part no
mm
inch
gauge
front
drill bits for gm40 hammers
105
4 1/8
7x16
6x14
38
2
6.0
gm40-105bvc7
110
4 5/16
6.2
gm40-110bvc7
115
4 1/2
6.6
gm40-115bvc7
120
4 3/4
8x16
8x13
7.0
gm40-120bvc8
125
4 15/16
10x13
7.4
gm40-125bvc8
130
5 1/8
8x14
8.0
gm40-130dvc8