Drill Bits

#57 Cobalt Aircraft Extension Drill Bit DR64757

Cobalt drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point for fast...

#58 Cobalt Aircraft Extension Drill Bit DR64758

Cobalt drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point for fast...

#59 Cobalt Aircraft Extension Drill Bit DR64759

Cobalt drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point for fast...

#60 Cobalt Aircraft Extension Drill Bit DR64760

Cobalt drills offer increased hardness, toughness and better wear resistance compared to regular HSS Gold oxide surface finish provides a polished finish and prevents chip building, galling and welding on a workpiece 135° Degree split point for fast...

1/2" HSS Aircraft Extension Drill Bit DR65032

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

31/64" HSS Aircraft Extension Drill Bit DR65031

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

15/32" HSS Aircraft Extension Drill Bit DR65030

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

29/64" HSS Aircraft Extension Drill Bit DR65029

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

7/16" HSS Aircraft Extension Drill Bit DR65028

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

27/64" HSS Aircraft Extension Drill Bit DR65027

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

"Z" HSS Aircraft Extension Drill Bit DR65126

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...

13/32" HSS Aircraft Extension Drill Bit DR65026

HSS Black oxide finish for increased wear resistance and added lubricity 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed Longer overall length but shorter...