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    14 Products
    About Drill Bits
    industrial info icon

    Compare material, finish, length class, and decimal size equivalents.

    For Material

    Performance

    Length Class

    Coolant-Fed Carbide-Tipped Drill Bits

    Image of Product. Front orientation. Contains Inset. Drill Bits. Coolant-Fed Carbide-Tipped Drill Bits, Extended Length, Round Shank.
    Image of Specification. Standard. Front orientation. Contains Border. Standard Point. For Metal.

    Extended Length

    Round Shank

    Standard

    Channel coolant through the holes to reduce heat and evacuate chips more efficiently than other bits. These are designed for CNC machines that supply coolant through the spindle rather than an external source, such as a hose and nozzle. Coolant flows directly from the bit's tip onto the drilling surface. This speeds up cuts and leads to excellent performance in deep holes and tough materials such as stainless steel and titanium. A lower-price alternative to solid carbide, they stay sharp when drilling abrasive material but won’t last as long.
    Extended Length—Also known as gun drills, drill through panels and thick workpieces with our longest bits. Their length is good for creating deep holes but makes them less rigid than other bits. As a result, they are more prone to wobbling or breaking, especially when drilling hard materials.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Each
    Extended Length
     
    Uncoated
    1/4"
    		0.25"
    		28"24"Round
    		0.7498"Standard
    		2744N4730000000
    17/64"
    		0.2656"
    		28"24"Round
    		0.7498"Standard
    		2744N589000000
    9/32"
    		0.2813"
    		28"24"Round
    		0.7498"Standard
    		2744N631000000
    5/16"
    		0.3125"
    		28"24"Round
    		0.7498"Standard
    		2744N718000000
    3/8"
    		0.375"
    		28"24"Round
    		0.7498"Standard
    		2744N793000000
    13/32"
    		0.4063"
    		28"24"Round
    		0.7498"Standard
    		2744N861000000
    1/2"
    		0.5"
    		28"24"Round
    		0.7498"Standard
    		2744N961000000
     

    Carbide-Tipped Drill Bits for Masonry and Concrete

    Crush rather than cut material so bits don’t jam or overheat while drilling masonry and concrete. The ultra-hard carbide tip breaks masonry into pieces and the widely spaced flutes channel them out of the hole. These bits stay sharp, resisting wear and heat that will dull or break other bits.
    SDS-Max Shank for Hammer and Rotary Drilling
    Image of Product. Front orientation. Drill Bits. Carbide-Tipped Drill Bits for Masonry and Concrete, SDS-Max Shank for Hammer and Rotary Drilling.
    Image of Specification. SDS-Max Shank. Front orientation. SDS Max Shank.

    SDS-Max

    Shank

    The slotted shank is compatible with SDS-Max-drive rotary hammers. These bits use simultaneous rotary and hammering action to penetrate material. Also known as percussion or impact bits.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Specs. Met
    Each
    Uncoated
     
    Standard Point
    1/2"
    		0.5"
    		28"22"ANSI B212.1588705A45000000
     
    Spline Shank for Hammer and Rotary Drilling
    Image of Product. Front orientation. Drill Bits. Carbide-Tipped Drill Bits for Masonry and Concrete, Spline Shank for Hammer and Rotary Drilling.
    Image of Specification. Spline Shank. Front orientation. Spline Shank.

    Spline

    Shank

    The shank has 12 splines for use with a spline-drive rotary hammer, which rotate and hammers bits simultaneously to penetrate material. Also known as percussion or impact bits.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Specs. Met
    Each
    Uncoated
     
    Standard Point
    1/2"
    		0.5"
    		28"22"ANSI B212.158783A73000000
    5/8"
    		0.625"
    		28"22"ANSI B212.158783A7700000
    3/4"
    		0.75"
    		28"22"ANSI B212.158783A79000000
    7/8"
    		0.875"
    		28"22"ANSI B212.158783A82000000
    1"
    		1"
    		28"22"ANSI B212.158783A84000000
    1 1/4"
    		1.25"
    		28"22"ANSI B212.158783A85000000
     
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