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P. 81
USER GUIDE
INDEXABLE DRILLS
Regrinding Instructions
Regrinding Instructions for ICM Geometry Regrinding Instructions for ICK Geometry
After each grinding operation, rotate the drill After each grinding operation, rotate the drill
180° and repeat the grinding procedure. 180° and repeat the grinding procedure.
1 Primary Clearance 1 Primary Clearance
2 Secondary Clearance 2 Secondary Clearance
DAT DAT
20° 20°
20° 20°
3 Chisel 3 Chisel
4 Edge Preparation
A-A
20°
t ± 0.02
T-Land
4 Edge Preparation
T D Range A-A
0.05 8-11.99 R=0.03-0.05 mm
0.07 12-15.99
0.08 16-19.99
0.1 20-25.99
0.12 26-32.99
Regrinding Instructions for ICP Geometry
After each grinding operation, rotate the drill
180° and repeat the grinding procedure.
1 Primary Clearance
2 Secondary Clearance
DAT
20°
20°
3 Chisel
4 Edge Preparation
A-A
R=0.03-0.05 mm
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