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Drill Bit 1/2 Reduced Shank HSS Bright 22mm


The reduced shank HSS drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating. This surface aids chip flow and heat dissipation. The drill is then ground a second time to achieve a bright finish on the shank and cutting edges.


Diameter: 22mm
Flute Length: 89mm
Overall Length: 152mm
118° notched point
30° helix


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