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    7 Products
    About Drill Bits
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    Compare material, finish, length class, and decimal size equivalents.

    Chip-Clearing Drill Bits for Wood

    Image of Product. Front orientation. Drill Bits. Chip-Clearing Drill Bits for Wood, Round Shank, Tapered-Square Shank.

    Tapered-Square Shank

    Round Shank

    Prevent clogs that wear the bit and slow down drilling. The flutes on these bits have an open design that pulls chips out of the hole faster than standard spiral flutes. Also known as pole or ship auger bits, they are used to cut deep holes through lumber, railroad ties, and utility poles.
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Shank
    Size
    Drill Bit
    Point Type
    Each
    Uncoated
     
    Round Shank/Tapered-Square Shank
    3/8"
    		0.375"
    		18"12"3/8"Screw
    		2878A11000000
    1/2"
    		0.5"
    		18"12"3/8"Screw
    		2878A1300000
    9/16"
    		0.5625"
    		18"12"3/8"Screw
    		2878A1400000
    5/8"
    		0.625"
    		18"12"3/8"Screw
    		2878A1500000
    3/4"
    		0.75"
    		18"12"5/16"Screw
    		2878A1700000
    7/8"
    		0.875"
    		18"12"5/16"Screw
    		2878A1900000
    1"
    		1"
    		18"12"5/16"Screw
    		2878A2200000
     
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