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    16 Products

    Drill Bits for Stone

    With multiple cutting edges, these bits grind through stone, granite, and slate tile without cracking it. They have a titanium nitride (TiN)-coated carbide tip that resists wear and heat to stay sharp.
    Round Shank
    Image of Product. Front orientation. Drill Bits. Drill Bits for Stone, Round Shank.
    Bits fit in the chuck of portable drills.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Shank
    Size
    Features
    Each
    Titanium Nitride (TiN)-Coated Carbide-Tipped Steel
     
    Standard Point
    1/8"0.125"2"2"1/8"00000000000
    3/16"0.1875"2"2"3/16"0000000000
    1/4"0.25"2 1/4"2.25"1/4"00000000000
    5/16"0.3125"2"2"1/4"00000000000
    3/8"0.375"3 3/4"3.75"5/16"Flats on Shank00000000000
    1/2"0.5"3 3/4"3.75"5/16"Flats on Shank00000000000
     

    Drill Bits for Glass and Ceramic

    Drill smoothly through fragile materials such as glass and ceramic, reducing the chance of chipping and cracking.
    Spear Drill Bits
    Image of Product. Front orientation. Drill Bits. Drill Bits for Glass and Ceramic, Spear Drill Bits.
    The point grinds away material at a slow speed. Drilling requires a coolant, such as water.
    Uncoated Carbide-Tipped Steel—Extremely hard and wear resistant to maintain a sharp edge cut after cut.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Each
    Uncoated Carbide-Tipped Steel
     
    Inch
    1/8"0.125"2 1/4"1"Round7/64"Standard00000000000
    3/16"0.1875"2 1/4"1"Round5/32"Standard0000000000
    1/4"0.25"2 5/8"1"Round11/64"Standard0000000000
    5/16"0.3125"3"1"Round7/32"Standard0000000000
    3/8"0.375"3 5/8"1"Round15/64"Standard00000000000
    1/2"0.5"3 5/8"1"Round5/16"Standard00000000000
    5/8"0.625"3 3/4"0.25"Round5/16"Standard000000000000
    3/4"0.75"4"0.25"Round5/16"Standard000000000000
    7/8"0.875"4"0.25"Round5/16"Standard000000000000
    1"1"4"0.25"Round5/16"Standard000000000000
     
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