Clarkson-Osborn

#56 Bright Finish HSS Left Hand Jobber Drill Bit DR03256

HSS Bright finish 118° Degree point Left hand twist - used in screw machine operations with left hand spindle rotation Can also be used as a screw extractor for drilling out broken studs or fasteners...

#56 Bright Finish HSS Stub Drill Bit DR78456

HSS Bright finish 118° Degree split point for fast penetration and accurate starting (self-centering) which eliminates "walking" and reduces the thrust force needed The short flute and overall length...

#56 Bright Finish Slow Spiral Jobber Drill Bit DR72256

HSS Bright finish 118° Degree point Slow spiral flute design - to be used for applications in brass, fiberglass, hard rubber and plastics The wide flutes and low helix angle allow a greater volume of...

#56 Cobalt Aircraft Extension Drill Bit DR64756

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...

#56 Cobalt Jobber Drill Bit DR09256

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...

#56 Cobalt Stub Drill Bit DR12856

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...

#56 Cobalt Taper Length Drill Bit DR29256

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...

#56 HSS Aircraft Extension Drill Bit DR64256

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...

#56 HSS Aircraft Extension Drill Bit DR65256

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...

#56 HSS Chucking Reamer RE17256

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

#56 HSS Half Round Jobber Drill Bit DR53256

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...

#56 HSS Heavy Duty Jobber Drill Bit DR74256

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...