Drillco 1/2" Nitro Mechanic's Length 3/8" Reduced Shank Drill Bit - 6pk 1045N132
$70.00
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Nitro Heavy Duty 135° Split Point drill with a Nitride surface treatment that gives a hard protective layer to the drill (increases hardness without increasing brittleness) which is measurably harder than high speed steel. Body and clearance are gold and black surface treated for maximum lubricity.
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