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Drill Bits for Hard Steel

Conquer the toughest materials with our pro-grade selection of drill bits engineered for hardened steel, stainless, titanium, Inconel, and other extreme alloys. Whether you’re fabricating aerospace parts, working in a machine shop, or tackling industrial maintenance, these cobalt and solid carbide tools deliver unmatched heat resistance, edge retention, and clean penetration. Built to handle work-hardening and brutal feed conditions—because failure isn’t an option when you’re drilling the hard stuff.

  • Cobalt Aircraft Extension
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    AIRCRAFT EXTENSION DRILL BITS- COBALT 6″ LENGTH FRACTIONAL

    Price range: $4.57 through $18.65 This product has multiple variants. The options may be chosen on the product page
  • Carbide Straight Flute
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    Terminator Carbide Straight Flute Drill Bits – METRIC

    Price range: $12.00 through $68.00 This product has multiple variants. The options may be chosen on the product page
  • Carbide Straight Flute
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    Terminator Carbide Straight Flute Drill Bits-Fractional

    Price range: $12.54 through $218.63 This product has multiple variants. The options may be chosen on the product page
  • Carbide Straight Flute
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    TERMINATOR CARBIDE STRAIGHT FLUTE DRILL BITS – Number Sizes #36-#65

    Price range: $15.87 through $20.51 This product has multiple variants. The options may be chosen on the product page
  • Carbide Straight Flute
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    TERMINATOR CARBIDE STRAIGHT FLUTE DRILL BITS – Number Sizes #1-#35

    Price range: $16.40 through $30.10 This product has multiple variants. The options may be chosen on the product page
  • Product image
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    Cobalt Double Ended Drill Bits

    Price range: $21.29 through $59.88 This product has multiple variants. The options may be chosen on the product page
  • M42 COBALT 4FLUTE DOUBLE ENDED PREMIUM END MILL
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    COBALT M42 DOUBLE ENDED END MILL-4 FLUTE

    Price range: $26.30 through $117.50 This product has multiple variants. The options may be chosen on the product page
  • Cobalt M42 Super Sonic Drill bits
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    Super Sonic Cobalt M42 Jobber Drill Bits – NAS 907J Spec – Sold Per Pack

    Price range: $27.96 through $162.00 This product has multiple variants. The options may be chosen on the product page
  • Carbide Straight Flute
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    TERMINATOR CARBIDE STRAIGHT FLUTE DRILL BITS – – Letter Sizes A – Z

    Price range: $34.55 through $101.11 This product has multiple variants. The options may be chosen on the product page
  • Cobalt Step Drill Bit for hardened steel
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    Cobalt Predator Step Drill Bit

    Price range: $42.12 through $79.98 This product has multiple variants. The options may be chosen on the product page
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    13pc Left Hand Drill Bit Set
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    Premium Left-Hand HSS Jobber Drill Bit Set 13pc

    Original price was: $59.98.Current price is: $44.89.
  • TCT Carbide annular Cutter
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    Carbide Boss Hog Annular Cutter – 1″ Depth 3/4″ Weldon Shank

    Price range: $74.36 through $184.80 This product has multiple variants. The options may be chosen on the product page
  • Carbide Annular Cutter 2 inch depth
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    Carbide Boss Hog Annular Cutter – 2″ Depth Weldon Shank

    Price range: $85.85 through $201.75 This product has multiple variants. The options may be chosen on the product page
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    15-piece parabolic drill bit set with black oxide finish in steel index, sizes 1/16 to 1/2 inch.
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    15pc Parabolic Drill Bit Set – Black Oxide, 1/16–1/2″

    Original price was: $109.90.Current price is: $89.45.
  • Sale !
    Screw-Extractor-Left-Hand-Drill-Bit-Set
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    Left-Hand Spiral Drill Bits and Square Style Extractors Set

    Original price was: $149.89.Current price is: $119.89.
  • Sale !
    Trident 10-piece left-hand drill and spiral screw extractor set in steel index, showing stepped-point drills and matching extractors.
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    Trident 10-Piece Left-Hand Drill & Spiral Screw Extractor Set

    Original price was: $189.79.Current price is: $124.10.
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    Cobalt Strike Spotweld Drill Set - 4-piece high-performance cobalt steel drills in a rugged steel case, designed for cutting spot welds on auto body panels and aerospace materials
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    Cobalt Strike Spot Weld Drill Bit Set

    Original price was: $189.98.Current price is: $139.11.
  • Sale !
    Product image
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    Premium Left-Hand HSS Jobber Drill Bit Set 15pc

    Original price was: $187.80.Current price is: $144.90.
  • Sale !
    4pc Silver & Deming
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    4pc Super Sonic Silver & Deming Drill Bit Set

    Original price was: $291.11.Current price is: $188.89.
  • Sale !
    55pc Screw Extractor and Drill Bit Set
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    55pc Screw Extractor and Drill Bit Set

    Original price was: $229.89.Current price is: $199.89.
  • Sale !
    A-Z Cobalt drill bit set in stubby length
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    T-200 M42 Cobalt Screw Machine Drill Bit Set – A to Z

    Original price was: $299.89.Current price is: $239.50.
  • Sale !
    Carbide Spade Drill Bit Set 5pc
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    Premium Solid Carbide Spade Drill Bit Set – 5-Piece USA Made

    Original price was: $279.89.Current price is: $239.69.
  • Sale !
    M42 Cobalt Metric Drill Bit Set
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    T-200 M42 Cobalt Metric Drill Bit Set – 25pc Jobber, USA Made (1.0mm–13.0mm)

    Original price was: $399.00.Current price is: $239.99.
  • Sale !
    Carbide 4 Flute Chucking Reamer set
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    8pc Carbide Chucking Reamer Set

    Original price was: $298.80.Current price is: $249.80.

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