Clarkson-Osborn

1/4" Cobalt 4 Flute Long Threaded Shank End Mill MC34016

Cobalt Non-center cutting Bright finish (TiN and TiCN coatings available) Longer overall length / length of cut Multi-flute design reduces chip load per tooth, has greater wearresistance, and...

1/4" Cobalt 4 Flute Threaded Shank End Mill MC33016

Cobalt Non-center cutting Bright finish (TiN and TiCN coatings available) Multi-flute design reduces chip load per tooth, has greater wear resistance, and improved surface finish Designed for...

1/4" Cobalt Aircraft Extension Drill Bit DR64516

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...

1/4" Cobalt Chucking Reamer RE24016

Cobalt Bright and black finish Straight shank Right hand cut Left hand helix Left hand spiral flute design pushes chips forward out of the hole and allows the reamer to be used in holes that have an...

1/4" Cobalt Jobber Drill Bit DR09016

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...

1/4" Cobalt Parabolic Flute Jobber Drill Bit DR11016

Cobalt jobber drills offer increased hardness, toughness and better wear resistance compared to regular HSS Bright surface finish provides a polished finish and prevents chip building, galling and...

1/4" Cobalt Stub Drill Bit DR12616

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...

1/4" Cobalt Taper Length Drill Bit DR29016

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...

1/4" Hi-Molybdenum Tool Steel Mechanic Length Drill Bit DF17016

Special high molybdenum tool steel Flats on shank give positive chuck-grip (3/16" and Larger) 135° Degree split point for fast penetration and accurate starting (self-centering) which eliminates...

1/4" HSS 1 Flute 100° Countersink ZD63316

HSS For chamfering, deburring, and countersinking Can also be used to enlarge holes in sheet metal

1/4" HSS 1 Flute 60° Countersink ZD63016

HSS For chamfering, deburring, and countersinking Can also be used to enlarge holes in sheet metal

1/4" HSS 1 Flute 82° Countersink ZD64016

HSS For chamfering, deburring, and countersinking Can also be used to enlarge holes in sheet metal