6
Internal grooving – min. hole diameter
Face grooving – min. hole diameter
≥4,2
≥10
≥12
≥25
ш 6,2
ш 12
ш 24
ш 34
0,3
10
12
25
6,2-18 mm
14-30 mm
24-50 mm
40-500 mm
First cut
diameter
Min hole
