9.9mm Cobalt Jobber Drill Bit DR90990

Clarkson-Osborn

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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 and welding on a workpiece

135° Degree split point (self-centering) which eliminates "walking" and reduces the thrust force

Cobalt drills are suitable for harder material including alloy steels, stainless steel and other difficult to drill materials

Clarkson Osborn Catalog

Diameter 9.9mm

Flute length 87mm

Overall length 133mm

Package quantity/sold as each 5

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