These Alpha high speed steel (HSS) single ended stub drill bits have a titanium nitride coating (TiN) and are designed for use with rivets (10/box).
- 135° split point for fast, stable drilling
- Titanium nitride coating to increase lubrication and reduce heat
- M2 high speed steel for durability
Stub single ended drill bits – quick reference
|9S30||#30 for 3.2mm (1/8”) rivets||HSS + TiN||10|
|9S20||#20 for 4.0mm (5/32”) rivets||HSS + TiN||10|
|9S11||#11 for 4.8mm (3/16”) rivets||HSS + TiN||10|
Stub drill bits are sometimes referred to as panel drills or single enders.
Double ended drill bits are also available.