#9, Nitro Drill Heavy Duty

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Manufactured from a premium grade of M-7N molybdenum high speed steel. the Nitro Heavy Duty 135 degree Split Point drill with a Nitride surface treatment, that give a hard, protect ive 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. Recommended for use in stainless steel and other hard metal drilling. Features Number High Speed Steel Black & Gold 135° Point Straight Shank Specifications Package Size / MOQ: 12 Series: 480N Flute Length: 2.7/16 Country Of Origin: USA Downloads Safety Data Sheet Show more