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    44 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, Jobbers' Length, Round Shank.
    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bits, Short Length, Round Shank.

    Jobbers' Length

    Round Shank

    Short Length

    Round Shank

    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bits, Maintenance Length, 3-Flat Shank, Round Shank.
    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bits, Extended Length, Round Shank.

    Maintenance Length

    Round Shank

    3-Flat Shank

    Extended Length

    Round Shank

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

    Standard

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

    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.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Short Length—The most rigid bits for drilling the straightest holes.
    Maintenance Length—Shorter than jobbers' length, these bits are more rigid for less wobble when drilling hard material. Also known as mechanics’ bits.
    Extended Length—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.
    Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated 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 and titanium.
    Uncoated—The most economical option, uncoated bits perform best when used on low-carbon steel and aluminum. Polished to reduce friction, they're also known as bright finish bits.
    Black/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
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    Pkg.
    Qty.
    Pkg.
    Jobbers' Length
     
    Black Oxide
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Split
    		Chicago-Latrobe12901A132000000
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Split
    		Chicago-Latrobe62901A58300000
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Split
    		Chicago-Latrobe129115A73200000
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Split
    		Chicago-Latrobe629115A83200000
     
    Titanium Aluminum Nitride (TiAlN) Coated
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Split
    		Chicago-Latrobe13202A6500000
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Standard
    		Viking Norseman Drill18870A350000
    23/64"
    		0.3594"
    		4 7/8"2.96"Round
    		23/64"Standard
    		Viking Norseman Drill68870A13500000
     
    Short Length
     
    Black Oxide
    23/64"
    		0.3594"
    		3 1/8"1.21"Round
    		23/64"Split
    		Chicago-Latrobe12896A330000
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		3 1/8"1.21"Round
    		23/64"Split
    		Viking Norseman Drill12908A5200000
     
    Uncoated
    23/64"
    		0.3594"
    		3 1/8"1.21"Round
    		23/64"Standard
    		Chicago-Latrobe18947A1320000
     
    Maintenance Length
     
    Black/Gold Oxide
    23/64"
    		0.3594"
    		4 1/4"2.56"Round/3-Flat
    		23/64"Split
    		Viking Norseman Drill187755A420000
    23/64"
    		0.3594"
    		4 1/4"2.56"Round/3-Flat
    		23/64"Split
    		Viking Norseman Drill687755A2200000
     
    Extended Length
     
    Black Oxide
    23/64"
    		0.3594"
    		6 3/4"3.71"Round
    		23/64"Standard
    		ICS129315A14400000
    23/64"
    		0.3594"
    		8"4.96"Round
    		23/64"Standard
    		Chicago-Latrobe129515A4800000
     
    Uncoated
    23/64"
    		0.3594"
    		12"8.28"Round
    		23/64"Standard
    		Dormer Pramet12939A2700000
    23/64"
    		0.3594"
    		18"12.28"Round
    		23/64"Standard
    		Dormer Pramet12955A2300000
     

    Cobalt Steel Drill Bits

    Image of Product. Front orientation. Drill Bits. Cobalt Steel Drill Bits, Jobbers' Length, Round Shank.

    Jobbers' Length

    Round Shank

    Image of Product. Front orientation. Drill Bits. Cobalt Steel Drill Bits, Jobbers' Length, Hex Shank.

    Jobbers' Length

    Hex Shank

    Image of Product. Front orientation. Drill Bits. Cobalt Steel Drill Bits, Short Length, Round Shank.

    Short Length

    Round Shank

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

    Split

    Tough and wear resistant, cobalt steel bits last at least twice as long as high-speed steel. They can also run up to 25% faster at higher temperatures without being damaged on hard materials, such as nickel.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Short Length—The most rigid bits for drilling the straightest holes.
    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
    Mfr.
    Each
    Jobbers' Length
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		4 7/8"3.5"Round
    		23/64"Split
    		Dormer Pramet27995A532000000
     
    Titanium Aluminum Nitride (TiAlN) Coated
    23/64"
    		0.3594"
    		4 7/8"3.5"Round
    		23/64"Split
    		Chicago-Latrobe3069A9400000
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"2.48"Hex
    		23/64"Split
    		Cle-Line4909N2300000
    23/64"
    		0.3594"
    		4 7/8"2.9"Round
    		23/64"Split
    		Chicago-Latrobe3069A3300000
     
    Short Length
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		3 1/16"1.21"Round
    		23/64"Split
    		Chicago-Latrobe2416A3200000
     
    Uncoated
    23/64"
    		0.3594"
    		3 1/8"1.21"Round
    		23/64"Split
    		Chicago-Latrobe28765A3200000
     

    Carbide Drill Bits

    Image of Product. Front orientation. Drill Bits. Carbide Drill Bits, Jobbers' Length, Round Shank.
    Image of Product. Front orientation. Drill Bits. Carbide Drill Bits, Short Length, Round Shank.

    Jobbers' Length

    Round Shank

    Short Length

    Round Shank

    The hardest and most wear-resistant drill bits you can buy. Carbide bits stay sharp at high temperatures and faster speeds for the best performance on hard and difficult-to-machine materials. They last 10 to 20 times longer than their closest alternative, cobalt steel. Carbide can be brittle, however, so these bits require a rigid machine tool holder to prevent breakage and should not be used in hand drilling applications.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Short Length—The most rigid bits for drilling the straightest holes.
    Titanium Nitride (TiN) Coated—Drill at higher speeds and last longer than uncoated bits, especially on materials like hardened steel, iron, and stainless steel.
    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.
    Uncoated—Excellent for a range of materials but won't last as long as coated bits.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit Point
    Type
    Mfr.
    Each
    Jobbers' Length
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		4 1/4"2.2"Round
    		23/64"Four Facet
    		Ultra Tool27515A57000000
     
    Titanium Aluminum Nitride (TiAlN) Coated
    23/64"
    		0.3594"
    		4 1/4"2.2"Round
    		23/64"Four Facet
    		Ultra Tool8879A8700000
     
    Uncoated
    23/64"
    		0.3594"
    		4 1/4"2.2"Round
    		23/64"Four Facet
    		Ultra Tool2956A3200000
     
    Short Length
     
    Uncoated
    23/64"
    		0.3594"
    		3"1"Round
    		23/64"Four Facet
    		Ultra Tool2956A7100000
     

    Carbide-Tipped Drill Bits

    Image of Product. Front orientation. Drill Bits. Carbide-Tipped Drill Bits, Jobbers' Length, Round Shank.

    Jobbers' Length

    Round Shank

    Image of Product. Front orientation. Drill Bits. Carbide-Tipped Drill Bits, Extended Length, Round Shank.

    Extended Length

    Round Shank

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

    Standard

    Split

    Performance similar to solid carbide but at a lower price point. Like carbide bits, these are stronger than cobalt and high-speed steel and maintain their sharp edges when drilling abrasive material. However, when drilling tough metals like iron and hardened steel, upgrade to carbide for longer life.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Extended Length—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
    Mfr.
    Each
    Jobbers' Length
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"2.9"Round
    		23/64"Standard
    		ICS2940A29000000
    23/64"
    		0.3594"
    		4 7/8"2.9"Round
    		23/64"Split
    		ICS31575A3600000
     
    Extended Length
     
    Uncoated
    23/64"
    		0.3594"
    		6 3/4"3.53"Round
    		23/64"Standard
    		ICS29465A2700000
     

    Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite

    Image of Product. Front orientation. Drill Bits. Carbide Drill Bits for Carbon Fiber, Fiberglass, and Graphite, Jobbers' Length.

    Jobbers' Length

    Cut clean holes in abrasive material without fraying or delaminating the surface. Made of carbide, these bits resist wear to retain a sharp edge, even after after hundreds of cuts.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Point
    Angle
    Drill Bit
    Point Type
    Bit
    Style
    Mfr.
    Each
    Jobbers' Length
     
    Uncoated
    23/64"
    		0.3594"
    		4 1/4"2.2"Round
    		23/64"140°Brad
    		FlutedUltra Tool2828A220000000
     

    Carbide-Tipped Drill Bits for Hardened Steel

    Image of Product. Front orientation. Drill Bits. Carbide-Tipped Drill Bits for Hardened Steel, Jobbers' Length, Round Shank.

    Jobbers' Length

    Round Shank

    Straight flutes withstand the heavy pressure needed to penetrate hardened steel. These bits cut more aggressively and resist stress better than spiral-flute bits. A lower-priced alternative to solid carbide, they stay sharp when drilling abrasive material but won’t last as long.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    Each
    Jobbers' Length
     
    Uncoated
    23/64"
    		0.3594"
    		5"1.43"Round
    		23/64"Notched
    		Izar2973A52000000
     

    Short-Flute High-Speed Steel Drill Bits

    Image of Product. Front orientation. Drill Bits. Short-Flute High-Speed Steel Drill Bits, Extended Length, Round Shank.

    Extended Length

    Round Shank

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

    Split

    The rigidity of short-length bits without sacrificing reach. The shallow drilling depth makes these less likely to wobble than other bits of the same length, so they stay centered and drill straighter. High-speed steel is good for general purpose drilling in most metals.
    Extended Length—Drill through panels and thick workpieces with our longest bits.
    Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated bits.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    Each
    Extended Length
     
    Black Oxide
    23/64"
    		0.3594"
    		6"3"Round
    		23/64"Split
    		Chicago-Latrobe2986A33000000
    23/64"
    		0.3594"
    		12"3"Round
    		23/64"Split
    		Chicago-Latrobe2986A6700000
     

    High-Speed Steel Drill Bits for Plastic

    The precision-ground, 60° point penetrates gradually to prevent cracking and chipping. It also reduces heat that can deform the material. Use these bits for drilling into acrylic, laminate, and other plastics. They're made of wear-resistant high-speed steel.
    Jobbers' LengthAbout Jobbers' Length
    Image of Product. Front orientation. Drill Bits. High-Speed Steel Drill Bits for Plastic, Jobbers' Length.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Point
    Angle
    Drill Bit
    Point Type
    Mfr.
    Each
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"3.5"Round
    		23/64"60°Standard
    		Onsrud27465A62000000
     

    Chip-Clearing High-Speed Steel Drill Bits

    Image of Product. Front orientation. Drill Bits. Chip-Clearing High-Speed Steel Drill Bits, Jobbers' Length, High Helix Flute, Round Shank.
    Image of Product. Front orientation. Drill Bits. Chip-Clearing High-Speed Steel Drill Bits, Jobbers' Length, Parabolic Flute, Round Shank.

    Jobbers' Length

    High Helix Flute

    Round Shank

    Jobbers' Length

    Parabolic Flute

    Round Shank

    Image of Product. Front orientation. Drill Bits. Chip-Clearing High-Speed Steel Drill Bits, Extended Length, Parabolic Flute, Round Shank.
    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Extended Length

    Parabolic Flute

    Round Shank

    Split

    With flutes that lift chips out of the hole, you don't have to stop drilling to clear these bits manually. They improve coolant flow to dissipate heat and prevent clogs that can damage the bit and ruin the hole. High-speed steel is good for general purpose drilling in most metals.
    High Helix Flute—Less aggressive than parabolic flutes for cleaner cuts in soft metals.
    Parabolic Flute—A U-shaped groove on the flutes cuts faster and clears chips more quickly than high-helix bits, so these are better for drilling deeper holes.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Extended Length—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.
    Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated 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.
    Uncoated—The most economical option, uncoated bits perform best when used on low-carbon steel and aluminum. Polished to reduce friction, they're also known as bright finish bits.
    Shank
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Flute
    Type
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    Each
    Jobbers' Length
     
    Black Oxide
    23/64"
    		0.3594"
    		4 7/8"2.46"High HelixRound
    		23/64"Split
    		Dormer Pramet31115A62000000
    23/64"
    		0.3594"
    		4 7/8"2.78"ParabolicRound
    		23/64"Split
    		Chicago-Latrobe29925A3200000
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		4 7/8"2.78"ParabolicRound
    		23/64"Split
    		Chicago-Latrobe29925A7200000
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"2.78"ParabolicRound
    		23/64"Split
    		Dormer Pramet2754A6200000
     
    Extended Length
     
    Uncoated
    23/64"
    		0.3594"
    		12"8.28"ParabolicRound
    		23/64"Split
    		Dormer Pramet29745A7700000
     

    Short-Flute Cobalt Steel Drill Bits

    Image of Product. Front orientation. Drill Bits. Short-Flute Cobalt Steel Drill Bits, Jobbers' Length, Round Shank.

    Jobbers' Length

    Round Shank

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

    Split

    These bits combine the toughness and wear resistance of cobalt with short flutes for rigidity. The shallow drilling depth makes them less likely to wobble than other bits of the same length, so they stay centered and drill straighter. Cobalt lasts at least twice as long as high-speed steel. It can also run up to 25% faster at higher temperatures without damaging the bit on hard materials such as nickel.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Black Oxide—The dark finish increases wear resistance and reduces friction to improve chip flow, so these bits can last 50% longer than uncoated bits.
    Shank
    Each
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    1-4
    5-Up
    Jobbers' Length
     
    Black Oxide
    23/64"
    		0.3594"
    		4 7/8"1.21"Round
    		23/64"Split
    		Cleveland3146A133000000000000
     

    Chip-Clearing Cobalt Steel Drill Bits

    Image of Product. Front orientation. Drill Bits. Chip-Clearing Cobalt Steel Drill Bits, Jobbers' Length, Parabolic Flute, Round Shank.

    Jobbers' Length

    Parabolic Flute

    Round Shank

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

    Split

    Avoid clogs and dissipate heat with cobalt bits that last at least twice as long as high-speed steel. The flutes clear chips to improve coolant flow and prevent damage to the bit and the hole. They also speed up drilling since you don't have to stop to clear the bit manually.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    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.
    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.
    Flute
    Type
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    Each
    Jobbers' Length
     
    Titanium Nitride (TiN) Coated
    23/64"
    		0.3594"
    		4 7/8"3.1"ParabolicRound
    		23/64"Split
    		Viking Norseman Drill3183A62000000
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"3.1"ParabolicRound
    		23/64"Split
    		Viking Norseman Drill29925A93200000
     

    Chip-Clearing High-Speed Steel Drill Bits for Aluminum, Brass, and Bronze

    Image of Product. Front orientation. Drill Bits. Chip-Clearing High-Speed Steel Drill Bits for Aluminum, Brass, and Bronze, Jobbers' Length, Low Helix Flute, Round Shank.
    Image of Specification. Standard. Front orientation. Contains Border. Standard Point. For Metal.

    Jobbers' Length

    Low Helix Flute

    Round Shank

    Standard

    Designed for soft metals that can gum up other drill bits, wide flutes lift chips out of the hole. This prevents clogs that can weaken and damage the bit and ruin the hole. Also known as slow spiral bits, these are made of versatile high-speed steel.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Uncoated—The most economical option, uncoated bits perform best when used on low-carbon steel and aluminum. Polished to reduce friction, they're also known as bright finish bits.
    Shank
    Each
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Flute
    Type
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    1-5
    6-Up
    Jobbers' Length
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"2.78"Low HelixRound
    		23/64"Standard
    		Chicago-Latrobe2928A232000000000000
     

    Left-Hand High-Speed Steel Drill Bits

    Image of Product. Side1 orientation. Drill Bits. Left-Hand High-Speed Steel Drill Bits, Jobbers' Length, Round Shank.
    Image of Specification. Split. Front orientation. Contains Border. Split Point. For Metal.

    Jobbers' Length

    Round Shank

    Split

    With flutes that spiral in the opposite direction of other bits, these are 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. High-speed steel is the versatile choice for drilling most metals.
    Jobbers' Length—These bits have the balance of rigidity and length needed for most applications.
    Uncoated—The most economical option, uncoated bits perform best when used on low-carbon steel and aluminum. Polished to reduce friction, they're also known as bright finish bits.
    Shank
    Each
    Drill Bit
    Size
    Decimal Size
    Equiv.
    Overall
    Lg.
    Max. Drilling
    Dp.
    Type
    Size
    Drill Bit
    Point Type
    Mfr.
    1-5
    6-Up
    Jobbers' Length
     
    Uncoated
    23/64"
    		0.3594"
    		4 7/8"2.78"Round
    		23/64"Split
    		ICS2876A341000000000000
     
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