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Special Hi-Molybdenum
tool steel.
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135° split point for fast penetration
and accurate starting without center punch.
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Precision ground point, flutes, body,
clearance and drill diameter for the ultimate in accuracy
and performance.
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Body and clearance are gold surface
treated for maximum lubricity.
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Heat treated at 2185° F and then
nitro-carburize finished at 950° F to be measurably
harder than high speed steel.
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Space age nitro-carburized steel withstands
substantially higher drilling temperatures while maintaining
sharpness.
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Especially designed for hand held drills.
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Flats on shank give positive chuck-grip.
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Recommanded for use in work hardening
grades of stainless steel and other hard metal drilling
applications.
