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    106 Products
    About Drill Bits
    industrial info icon

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

    High-Speed Steel Drill Bits

    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bits, Maintenance Length, 3-Flat Shank, Round Shank.
    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Maintenance Length

    Round Shank

    3-Flat Shank

    Split

    Our basic drill bits are also the most versatile. Cut holes in a variety of metals, from the softest aluminum to the hardest steel.
    Maintenance Length—Shorter than jobbers' length, these bits are more rigid for less wobble when drilling hard material. Also known as mechanics’ bits.
    Gold Oxide—Like black oxide, this finish adds wear resistance and reduces friction for improved chip flow. Because it’s less prone to flaking off, it offers better rust protection when bits aren't in use.
    Shank
    Each
    Package
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Each
    Pkg.
    Qty.
    Pkg.
    Maintenance Length
     
    Gold Oxide
    1/16"
    		0.0625"
    		1 7/8"0.88"Round
    		1/16"Split
    		87755A84100000————0
    5/64"
    		0.0781"
    		2"1"Round
    		5/64"Split
    		87755A8420000————0
    3/32"
    		0.0938"
    		2 1/4"1.25"Round
    		3/32"Split
    		87755A8430000————0
    7/64"
    		0.1094"
    		2 3/8"1.31"Round
    		7/64"Split
    		87755A8440000————0
    1/8"
    		0.125"
    		2 1/2"1.44"Round
    		1/8"Split
    		87755A8450000————0
    9/64"
    		0.1406"
    		2 5/8"1.56"Round
    		9/64"Split
    		87755A8460000————0
    5/32"
    		0.1563"
    		2 3/4"1.69"Round
    		5/32"Split
    		87755A8470000————0
    11/64"
    		0.1719"
    		2 7/8"1.81"Round
    		11/64"Split
    		87755A8480000————0
    3/16"
    		0.1875"
    		3"1.75"Round/3-Flat
    		3/16"Split
    		87755A2900001287755A1000000
    13/64"
    		0.2031"
    		3 1/8"1.81"Round/3-Flat
    		13/64"Split
    		87755A3100001287755A1100000
    7/32"
    		0.2188"
    		3 1/4"1.87"Round/3-Flat
    		7/32"Split
    		87755A3200001287755A1200000
    15/64"
    		0.2344"
    		3 3/8"1.93"Round/3-Flat
    		15/64"Split
    		87755A3300001287755A1300000
    1/4"
    		0.25"
    		3 1/2"1.87"Round/3-Flat
    		1/4"Split
    		87755A3400001287755A1400000
    17/64"
    		0.2656"
    		3 5/8"2"Round/3-Flat
    		17/64"Split
    		87755A3500001287755A1500000
    9/32"
    		0.2813"
    		3 3/4"2.18"Round/3-Flat
    		9/32"Split
    		87755A3600001287755A1600000
    19/64"
    		0.2969"
    		3 7/8"2.34"Round/3-Flat
    		19/64"Split
    		87755A370000————0
    5/16"
    		0.3125"
    		4"2.46"Round/3-Flat
    		5/16"Split
    		87755A380000687755A1800000
    21/64"
    		0.3281"
    		4 1/8"2.48"Round/3-Flat
    		21/64"Split
    		87755A390000687755A1900000
    11/32"
    		0.3438"
    		4 1/8"2.5"Round/3-Flat
    		11/32"Split
    		87755A410000687755A2100000
    23/64"
    		0.3594"
    		4 1/4"2.56"Round/3-Flat
    		23/64"Split
    		87755A420000687755A2200000
    3/8"
    		0.375"
    		4 1/4"2.56"Round/3-Flat
    		3/8"Split
    		87755A430000687755A2300000
    25/64"
    		0.3906"
    		4 3/8"2.62"Round/3-Flat
    		25/64"Split
    		87755A4400000687755A2400000
    13/32"
    		0.4063"
    		4 3/8"2.68"Round/3-Flat
    		13/32"Split
    		87755A4500000687755A2500000
    27/64"
    		0.4219"
    		4 1/2"2.75"Round/3-Flat
    		27/64"Split
    		87755A4600000————0
    7/16"
    		0.4375"
    		4 1/2"2.81"Round/3-Flat
    		7/16"Split
    		87755A4700000687755A2700000
    29/64"
    		0.4531"
    		4 5/8"2.87"Round/3-Flat
    		29/64"Split
    		87755A4800000————0
    15/32"
    		0.4688"
    		4 3/4"3"Round/3-Flat
    		15/32"Split
    		87755A4900000————0
    31/64"
    		0.4844"
    		4 7/8"3.21"Round/3-Flat
    		31/64"Split
    		87755A5100000————0
    1/2"
    		0.5"
    		5"3.34"Round/3-Flat
    		1/2"Split
    		87755A5200000687755A5300000
     

    Left-Hand Cobalt Steel Drill Bits

    Image of Product. Side1 orientation. Drill Bits. Left-Hand Cobalt Steel Drill Bits, Maintenance Length, Round Shank.

    Maintenance Length

    Round Shank

    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Split

    The flutes spiral in the opposite direction of other bits and stay sharp longer than high-speed steel. They’re primarily used to remove stripped screws. Choose a bit that’s slightly smaller than the diameter of the screw’s head. Set your power tool to rotate in reverse. Slowly drill in the center of the screw head, maintaining constant pressure. As the bit penetrates, it will catch onto the screw and reverse it out of the hole. If the screw is badly stripped, you might need to punch a starter hole. Also known as reverse-flute bits.
    Maintenance Length—Shorter than jobbers' length, these bits are more rigid for less wobble when drilling hard material. Also known as mechanics’ bits.
    Titanium Nitride (TiN) Coated—Drill at higher speeds and last longer than uncoated and oxide-coated bits, especially on tough materials like hardened steel and nickel.
    Titanium Aluminum Nitride (TiAlN) Coated—The hardest and most wear-resistant coating, especially at high temperatures. These bits are best for hard and abrasive materials, such as iron, titanium, and fiberglass.
    Uncoated—Polished to eject chips, these are also known as bright finish bits.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Each
    Maintenance Length
     
    Titanium Nitride (TiN) Coated
    5/64"
    		0.0781"
    		2"0.88"Round
    		5/64"Split
    		3474A2800000
    7/64"
    		0.1094"
    		2 1/4"0.84"Round
    		7/64"Split
    		3474A290000
    1/8"
    		0.125"
    		2 1/4"1.06"Round
    		1/8"Split
    		3474A310000
    5/32"
    		0.1563"
    		2 5/8"1.27"Round
    		5/32"Split
    		3474A320000
    3/16"
    		0.1875"
    		2 7/8"1.34"Round
    		3/16"Split
    		3474A330000
    7/32"
    		0.2188"
    		3 1/8"1.42"Round
    		7/32"Split
    		3474A340000
    1/4"
    		0.25"
    		3 3/8"1.63"Round
    		1/4"Split
    		3474A350000
    5/16"
    		0.3125"
    		3 3/4"1.97"Round
    		5/16"Split
    		3474A3600000
    3/8"
    		0.375"
    		4 1/8"2.06"Round
    		3/8"Split
    		3474A3700000
     
    Titanium Aluminum Nitride (TiAlN) Coated
    5/64"
    		0.0781"
    		2"0.88"Round
    		5/64"Split
    		3474A380000
    7/64"
    		0.1094"
    		2 1/4"0.84"Round
    		7/64"Split
    		3474A390000
    1/8"
    		0.125"
    		2 1/4"1.06"Round
    		1/8"Split
    		3474A410000
    5/32"
    		0.1563"
    		2 5/8"1.27"Round
    		5/32"Split
    		3474A420000
    3/16"
    		0.1875"
    		2 7/8"1.34"Round
    		3/16"Split
    		3474A430000
    7/32"
    		0.2188"
    		3 1/4"1.42"Round
    		7/32"Split
    		3474A4400000
    1/4"
    		0.25"
    		3 3/8"1.63"Round
    		1/4"Split
    		3474A4500000
    5/16"
    		0.3125"
    		3 3/4"1.97"Round
    		5/16"Split
    		3474A4600000
    3/8"
    		0.375"
    		4 1/8"2.06"Round
    		3/8"Split
    		3474A4700000
     
    Uncoated
    5/64"
    		0.0781"
    		2"0.88"Round
    		5/64"Split
    		3474A110000
    7/64"
    		0.1094"
    		2 1/4"0.84"Round
    		7/64"Split
    		3474A120000
    1/8"
    		0.125"
    		2 1/4"1.06"Round
    		1/8"Split
    		3474A130000
    5/32"
    		0.1563"
    		2 5/8"1.27"Round
    		5/32"Split
    		3474A140000
    3/16"
    		0.1875"
    		2 7/8"1.34"Round
    		3/16"Split
    		3474A150000
    7/32"
    		0.2188"
    		3 1/8"1.42"Round
    		7/32"Split
    		3474A160000
    1/4"
    		0.25"
    		3 3/8"1.63"Round
    		1/4"Split
    		3474A170000
    9/32"
    		0.2813"
    		3 5/8"1.7"Round
    		9/32"Split
    		3474A1800000
    19/64"
    		0.2969"
    		3 5/8"1.87"Round
    		19/64"Split
    		3474A1900000
    5/16"
    		0.3125"
    		3 3/4"1.97"Round
    		5/16"Split
    		3474A2100000
    11/32"
    		0.3438"
    		4"1.98"Round
    		11/32"Split
    		3474A2200000
    3/8"
    		0.375"
    		4 1/8"2.06"Round
    		3/8"Split
    		3474A2300000
    13/32"
    		0.4063"
    		4 3/8"2.14"Round
    		13/32"Split
    		3474A2400000
    7/16"
    		0.4375"
    		4 5/8"2.22"Round
    		7/16"Split
    		3474A2500000
    15/32"
    		0.4688"
    		4 3/4"2.23"Round
    		15/32"Split
    		3474A2600000
    1/2"
    		0.5"
    		5"2.31"Round
    		1/2"Split
    		3474A2700000
     

    High-Speed Steel Drill Bit Sets

    Our basic drill bits are also the most versatile. Cut holes in a variety of metals, from the softest aluminum to the hardest steel.
    Maintenance LengthAbout Maintenance Length
    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bit Sets, Maintenance Length.
    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Split

    Shorter than jobbers' length, these bits are more rigid for less wobble when drilling hard material. Also known as mechanics’ bits.
    Gold Oxide—Like black oxide, this finish adds wear resistance and reduces friction for improved chip flow. Because it’s less prone to flaking off, it offers better rust protection when bits aren't in use.
    No. of
    Pieces
    Drill Bit Sizes Included
    System of
    Measurement
    Drill Bit Point
    Style
    Container
    Type
    Each
    Gold Oxide
    291/16"-1/2" (increments of 1/64")InchSplit Point
    		Plastic Case87755A780000000
     

    Coolant-Fed Carbide Drill Bits

    Image of Product. Side1 orientation. Drill Bits. Coolant-Fed Carbide Drill Bits, Maintenance Length, Round Shank.

    Maintenance Length

    Round Shank

    The hardest and most wear-resistant bits, these deliver coolant to reduce heat and evacuate chips. They 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 holes in 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.
    Maintenance Length—Shorter than jobbers' length, these bits are more rigid for less wobble when drilling hard material. Also known as mechanics’ bits.
    Titanium Aluminum Nitride (TiAlN) Coated—No drill bits last longer. These are the best for high-speed, high-temperature drilling of very hard and abrasive materials, including titanium and fiberglass.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit Point
    Type
    Each
    Maintenance Length
     
    Titanium Aluminum Nitride (TiAlN) Coated
    1/8"
    		0.125"
    		1 15/16"0.69"Round
    		1/8"Four Facet
    		2396N817000000
    9/64"
    		0.1406"
    		2 1/16"0.75"Round
    		9/64"Four Facet
    		2396N99500000
    5/32"
    		0.1563"
    		2 3/16"0.81"Round
    		5/32"Four Facet
    		2396N98800000
    11/64"
    		0.1719"
    		2 9/32"0.94"Round
    		11/64"Four Facet
    		2396N8600000
    3/16"
    		0.1875"
    		2 13/32"1"Round
    		3/16"Four Facet
    		2396N83500000
    13/64"
    		0.2031"
    		2 13/32"1"Round
    		13/64"Four Facet
    		2396N86800000
    7/32"
    		0.2188"
    		2 5/8"1.09"Round
    		7/32"Four Facet
    		2396N88900000
    1/4"
    		0.25"
    		2 3/4"1.22"Round
    		1/4"Four Facet
    		2396N80800000
    17/64"
    		0.2656"
    		2 15/16"1.34"Round
    		17/64"Four Facet
    		2396N97600000
    9/32"
    		0.2813"
    		2 15/16"1.34"Round
    		9/32"Four Facet
    		2396N89100000
    5/16"
    		0.3125"
    		3 3/32"1.47"Round
    		5/16"Four Facet
    		2396N87100000
    3/8"
    		0.375"
    		3 1/2"1.69"Round
    		3/8"Four Facet
    		2396N858000000
    7/16"
    		0.4375"
    		3 3/4"1.81"Round
    		7/16"Four Facet
    		2396N88000000
    1/2"
    		0.5"
    		4"1.94"Round
    		1/2"Four Facet
    		2396N788000000
    3.0 mm
    		0.1181"
    		64 mm20.1 mmRound
    		6 mmFour Facet
    		2396N63400000
    4.0 mm
    		0.1575"
    		67 mm23.9 mmRound
    		6 mmFour Facet
    		2396N63800000
    5.0 mm
    		0.1969"
    		67 mm27.9 mmRound
    		6 mmFour Facet
    		2396N65800000
    6.0 mm
    		0.2362"
    		67 mm27.9 mmRound
    		6 mmFour Facet
    		2396N66300000
    7.0 mm
    		0.2756"
    		79 mm34 mmRound
    		8 mmFour Facet
    		2396N67900000
    7.5 mm
    		0.2953"
    		79 mm40.9 mmRound
    		8 mmFour Facet
    		2396N69500000
    8.0 mm
    		0.315"
    		79 mm40.9 mmRound
    		8 mmFour Facet
    		2396N71300000
    8.5 mm
    		0.3346"
    		89 mm47 mmRound
    		10 mmFour Facet
    		2396N718000000
    9.0 mm
    		0.3543"
    		89 mm47 mmRound
    		10 mmFour Facet
    		2396N734000000
    9.5 mm
    		0.374"
    		89 mm88.9 mmRound
    		10 mmFour Facet
    		2396N757000000
    10.0 mm
    		0.3937"
    		89 mm47 mmRound
    		10 mmFour Facet
    		2396N63000000
     

    Tap and Drill Bit Cases

    For Drill Bits
    Image of Product. Front orientation. Tap and Drill Bit Stands. Tap and Drill Bit Cases, For Drill Bits, Plastic.

    Plastic

    Store and organize drill bits so they stay in good working condition and don't go missing. These cases have individually marked holes for each size in your set.
    Plastic—Plastic cases have screw-on lids to block out moisture. Compared to steel cases, they're lighter, and they resist rust and dents. Clip them onto your belt to take with you on the job.
    For
    Drill Bit
    Overall
    Material
    No.
    of
    Size
    Dia.
    Ht.
    Features
    Each
    For Inch Drill Bits
     
    For Maintenance Length
    Plastic291/16" to 1/2" (Increments of 1/64")3 7/8"7"Belt Clip2961A75000000
     
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