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
cir90a冲击器用钻头 drill bits for cir90a hammers
90
3 1/2
6x14
2x13 2x12
45
2
3.6
cir90a-90bvc6
100
4
3x13 2x12
3
cir90a-100bvc6
110
4 1/3
3x13 3x12
4.7
cir90a-110bvc6
120
4 3/4
3x13 4x12
5.2
cir90a-120bvc6
130
5 1/8
3x14 4x12
6.2
cir90a-130bvc6
140
5 1/2
9x14
3x14 5x12
7.8
cir90a-140bvc9
150
6
8.4
cir90a-150bvc9