Clarkson-Osborn

11.8mm Cobalt Stub Drill Bit DR79118

Cobalt stub 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...

11.8mm HSS Stub Drill Bit DR83180

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...

11.8mm HSS Taper Length Drill Bit DR47180

HSS Straight shank Black oxide finish for increased wear resistance and added lubricity 118° Degree point Taper length drills have the same flute length as taper shank drills for deeper hole...

11.8mm HSS Two Tone Jobber Drill Bit DR05118

HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Black and gold surface treatment for maximum lubricity Ideal for hand drilling and machine...

11.8mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11918

Cobalt jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust...

11.8mm TiN Coated HSS Jobber Drill Bit DR10718

HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Titanium nitride (TiN) coating increases wear and heat resistance while improving chip flow...

11.9mm Cobalt Jobber Drill Bit DR91119

Cobalt jobber 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...

11.9mm Cobalt Parabolic Flute Jobber Drill Bit DR11719

Cobalt jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSS Bright surface finish provides a polished finish and prevents chip building, galling and...

11.9mm HSS Stub Drill Bit DR83190

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...

11.9mm HSS Taper Length Drill Bit DR47190

HSS Straight shank Black oxide finish for increased wear resistance and added lubricity 118° Degree point Taper length drills have the same flute length as taper shank drills for deeper hole...

11.9mm HSS Two Tone Jobber Drill Bit DR05119

HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Black and gold surface treatment for maximum lubricity Ideal for hand drilling and machine...

11.9mm TiN Coated Cobalt Parabolic Flute Jobber Drill Bit DR11919

Cobalt jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust...