Drill Bits

#50 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66250

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder 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...

#53 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66253

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder 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...

#54 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66254

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder 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...

#55 x 1/4"-28 HSS Threaded Shank Adapter Drill DR66255

HSS 1/4"-28 threaded shank provides a secure fit in the tool holder 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...

1/2" Cobalt Aircraft Extension Drill Bit DR64532

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...

"X" Cobalt Aircraft Extension Drill Bit DR64624

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...

"U" Cobalt Aircraft Extension Drill Bit DR64621

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...

23/64" Cobalt Aircraft Extension Drill Bit DR64523

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...

"T" Cobalt Aircraft Extension Drill Bit DR64620

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...

"S" Cobalt Aircraft Extension Drill Bit DR64619

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...

"R" Cobalt Aircraft Extension Drill Bit DR64618

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...

5/16" Cobalt Aircraft Extension Drill Bit DR64520

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...