Clarkson-Osborn

#31 Carbide Tipped Jobber Drill Bit SC04231

Bright finish (TiN and TiAIN coatings available) 118° Degree point Regular spiral HSS body, carbide tip provides excellent wear resistance Recommended for drilling cast iron, composites, aluminum...

#31 Cobalt Aircraft Extension Drill Bit DR64731

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...

#31 Cobalt Jobber Drill Bit DR09231

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...

#31 Cobalt Stub Drill Bit DR12831

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...

#31 Cobalt Taper Length Drill Bit DR29231

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...

#31 HSS Aircraft Extension Drill Bit DR64231

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...

#31 HSS Aircraft Extension Drill Bit DR65231

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...

#31 HSS Chucking Reamer RE17231

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

#31 HSS Half Round Jobber Drill Bit DR53231

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...

#31 HSS Heavy Duty Jobber Drill Bit DR74231

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...

#31 HSS Hyper Jobber Drill Bit ZD16231

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...

#31 HSS Stub Drill Bit DR12231

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...