DIN ISO 7388-1 (DIN 69871)
Holders for indexable inserts drills d2
Radial runout ≤ 0,005 mm
d1
x1
Balanced G6.3 at 18 000 min-1
50
Form AD+B
d1 20 25 32 40
x1 70 70 75 80
d2 40 45 52 60
Code VB20.D55.070 VB25.D55.070 VB32.D55.070 VB40.D55.080
Quick-change tapping head d1
x1
Length compensation in compression and tension
50 Form A
40
Tap size M3 - M14 M6 - M24 M14 - M33 M22 - M48
Compensation ± 7.5 ± 12.5 ± 20.0 ± 22.5
Insert size 1 2 3 4
x1 74 98 159 175
d1 36 53 78 96
Code GN12.D50.074 GN20.D50.098 GN33.D50.159 GN48.D50.175