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Drill Bits for Hardened Steel

American Nitro Jobber Length Drill Bits
Nitro American Jobber Length Drill Bits
Available: In stock
Available Sizes: Fractional, Letter and Wire Gauge sizes
Description : 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, 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. Recommended for use in stainless steel and other hard metal drilling.
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Cobalt Jobber Length Drill Bits
Cobalt Jobber Length Drill Bits
Available: In stock
Available Sizes: Fractional, Letter and Wire Gauge sizes
Description : Heavy duty construction made to Type J aircraft specifications. Used for drilling holes in hard, tough materials such as stainless steel, titanium high temperature and high strength alloys. High red hardness of cobalt permits speeds 30% greater than HSS drills.
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Carbide Tipped Jobber Length Drill Bits
Carbide Tipped American Length Drill Bits
Available: In stock
Available Sizes: Fractional and Wire Gauge sizes
Description : Carbide Tipped jobbers length drills are primarily for drilling cast iron, cast steel, bronze, hard copper, aluminum, and hard non-ferrous materials which have a high degree of abrasiveness and which requires a sturdy drill for strength.
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Carbide Tipped Annular Cutters
Cobalt Jobber Length Drill Bits
Available: In stock
Available Sizes: Call for sizes
Description : Broach cutting using PIP cutters means you can produce large diameter holes efficiently and quickly with less energy, faster penetration and less thrust. Rather than drilling out the metal with a solid drill, PIP cutters removes only the periphery of the hole, ejecting a slug at the end of the cut. Tests show that a solid drill will take 3 minutes, 45 seconds to drill a 1-1/4 inch hole in 3/4 inch plate. A PIP cutter can do the same job in 35 seconds.
Get Quote  Call:  407-385-3511