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USER GUIDE
INDEXABLE DRILLS Applications for DCNS Drills For better stability in rough applications High Helix

and interrupted cuts
SUMO UNI-CHAM
SUMOCHAM
Moderate Helix

SUMO UNI-CHAM SUMOCHAM

Replaces solid When using SUMO Shorter projection
carbide drills UNI-CHAM, the compared to
without changing drill’s projection SUMOCHAM,
any holding can be adjusted when required
components
Can be used on
multi-spindle applications
for close spacing between
adjacent drills

Regrinding Instructions

Regrinding Instructions ICP/ICK/ICM Inserts
1 ICP/ICK/ICM Primary Clearance (cutting edge) 4 ICK Chamfer

20˚

Dx0.12 30˚
7˚
2 ICP/ICK/ICM Secondary Clearance (cutting release) ICM T-land
A-A
20˚ A Dx0.006
A
20˚
20˚
5 ICP/ICK/ICM Edge Preparation (honing)
3 ICP/ICK/ICM Chisel
A-A
30˚ A R
A
C
32˚
D Range C R
ICP ICK ICM
.157-.353 Not to be ground
.354-.471 .0126 .0008 .0014 .0006
.472-1.062 .0157 .0016 .0018 .0010
1.063-2.299 .0217 .0020 .0024 .0012

94 ISCAR