Clarkson-Osborn

#28 Cobalt Stub Drill Bit DR12828

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...

#28 Cobalt Taper Length Drill Bit DR29228

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...

#28 HSS Aircraft Extension Drill Bit DR64228

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...

#28 HSS Aircraft Extension Drill Bit DR65228

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...

#28 HSS Chucking Reamer RE17228

HSS Bright finish Straight shank Right hand cut Straight flute Straight flute reamers are used in general purpose reaming applications in ferrous and non-ferrous materials Clarkson Osborn Catalog

#28 HSS Half Round Jobber Drill Bit DR53228

HSS Black oxide finish for increased wear resistance and added lubricity 118° Degree point These drills allow greater chip clearance and have less tendency to run out in deeper hole applications. As...

#28 HSS Heavy Duty Jobber Drill Bit DR74228

HSS Black oxide finish 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Heavy web construction gives this drill higher torsional strength which...

#28 HSS Hyper Jobber Drill Bit ZD16228

HSS Black oxide finish for increased wear resistance and added lubricity 118° Degree point suitable for general purpose drilling in a wide range of materials Steam oxide surface treatment increases...

#28 HSS Stub Drill Bit DR12228

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...

#28 HSS Taper Length Drill Bit DR20228

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...

#28 HSS Two Tone Jobber Drill Bit DR02228

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...

#28 Solid Carbide Chucking Reamer SC80728

Premium micrograin carbide Bright finish Straight shank Right hand cut Straight flute Straight flute reamers are used in general purpose reaming applications in ferrous and non-ferrous materials up...