Clarkson-Osborn

#52 Cobalt Aircraft Extension Drill Bit DR64752

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...

#52 Cobalt Jobber Drill Bit DR09252

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...

#52 Cobalt Stub Drill Bit DR12852

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...

#52 Cobalt Taper Length Drill Bit DR29252

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...

#52 HSS Aircraft Extension Drill Bit DR64252

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...

#52 HSS Aircraft Extension Drill Bit DR65252

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...

#52 HSS Chucking Reamer RE17252

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

#52 HSS Half Round Jobber Drill Bit DR53252

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...

#52 HSS Heavy Duty Jobber Drill Bit DR74252

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...

#52 HSS Hyper Jobber Drill Bit ZD16252

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...

#52 HSS Stub Drill Bit DR12252

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...

#52 HSS Taper Length Drill Bit DR20252

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...