Clarkson-Osborn

#11 Carbide Tipped Jobber Drill Bit SC04211

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...

#11 Cobalt Aircraft Extension Drill Bit DR64711

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...

#11 Cobalt Jobber Drill Bit DR09211

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 Cobalt Stub Drill Bit DR12811

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 Cobalt Taper Length Drill Bit DR29211

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...

#11 HSS Aircraft Extension Drill Bit DR64211

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 HSS Aircraft Extension Drill Bit DR65211

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 HSS Chucking Reamer RE17211

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

#11 HSS Half Round Jobber Drill Bit DR53211

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...

#11 HSS Heavy Duty Jobber Drill Bit DR74211

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...

#11 HSS Hyper Jobber Drill Bit ZD16211

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...

#11 HSS Stub Drill Bit DR12211

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...