Sandvik Coromant Machining carbon fibre materials - Manual (Page 57)

CoroDrill grades
Grade comparison
N20C, Solid Carbide with •
Diamond coating
- Low friction coefficient
- Stable hole dimensions
- Cost efficient
- Not regrindable
N30C, Solid Carbide with •
Diamond like carbon coating
- Thin wear resistant coating
- Limited life, lower tool cost.
- Regrindable
CD10, veined PCD tip •
- High hardness
- Long and stable tool life
- Cost efficient
- Regrindable
N20C: Available on standard products
and as TailorMade
N30C: Available as TailorMade option
CD10: Available as engineered solution
N30C
Tool life
Tool cost/drilled meter
N30C (incl.3
reconds) N20C CD10
Grade comparison
SANDVIK COROMANT USER’S GUIDE - COMPOSITE SOLUTIONS 57