31/64, HD Jobber Length 3-Flats

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Heavy Duty 140 degree Split Point drill with a Nitride surface treatment, that gives a hard, protective layer to the drill (increases hardness without increasing brittleness), whic h is measurably harder than high speed steel. Body and clearance are gold and black surface treated for maximum lubricity. Recommended for use in stainless steel and other hard metal drilling. Features Fractional High Speed Steel Black & Gold 140° Point 3-Flats Specifications Package Size / MOQ: 6 Series: 400F Flute Length: 4.3/8 Country Of Origin: China Downloads Safety Data Sheet Show more