Clarkson-Osborn

#4 HSS Aircraft Extension Drill Bit DR64204

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...

#4 HSS Aircraft Extension Drill Bit DR65204

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...

#4 HSS Center Drill DR62204

HSS Bright finish 60° Degree included angle Often called "center drills" which are used for drilling center holes in components or workpieces that require machining between centers Clarkson Osborn...

#4 HSS Chucking Reamer RE17204

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

#4 HSS Half Round Jobber Drill Bit DR53204

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...

#4 HSS Heavy Duty Jobber Drill Bit DR74204

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...

#4 HSS Hyper Jobber Drill Bit ZD16204

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...

#4 HSS Stub Drill Bit DR12204

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...

#4 HSS Taper Length Drill Bit DR20204

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...

#4 HSS Taper Pin Reamer RE30204

HSS Bright finish ¼" taper per foot Square end for tap wrench Taper pin reamers are used to ream holes into which standard taper pins will fit Straight flute for hand reaming of most materials ...

#4 HSS Taper Pin Reamer RE31204

HSS Bright finish ¼" taper per foot Right hand cut Left hand helix Square end for tap wrench Taper pin reamers are used to ream holes into which standard taper pins will fit Left hand spiral flute is...

#4 HSS Two Tone Jobber Drill Bit DR02204

HSS 135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force needed Black and gold surface treatment for maximum lubricity Ideal for hand drilling and machine...