System of Measurement System of Measurement |
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Size Size | Show |
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Size Size | Hide |
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Decimal Size Equivalent Decimal Size Equivalent |
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For Use On For Use On |
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Finish Finish |
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Material Material |
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Bit Style Bit Style |
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![]() | Spiral Flute |
![]() | Parabolic Spiral Flute |
![]() | Straight Flute |
Shank Type Shank Type |
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![]() | Round |
Length Class Length Class |
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Jobbers' Length |
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Short Length |
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Extended Length |
Maximum Drilling Depth Maximum Drilling Depth |
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Individual/Set Individual/Set |
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Shank Size Shank Size |
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Point Style Point Style |
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Split |
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Standard |
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Four Facet |
Flute Direction Flute Direction |
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Right Hand |
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Left Hand |
Specifications Met Specifications Met |
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Shank Material Shank Material |
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For Maximum Hardness For Maximum Hardness |
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Number of Flutes Number of Flutes |
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These jobbers'-length bits have the rigidity and length required for most applications.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated and oxide-coated drill bits.
Drill bits with a split point keep centered without a pilot hole.
Shank | Each | Pkg. | |||||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | Pkg. Qty. | Pkg. | ||
Metric | |||||||||||||
Black-Oxide High-Speed Steel | |||||||||||||
4.5 mm | 0.1772" | 80mm | 38mm | Round | 4.5mm | Standard | DIN 338 | Steel, Iron, Stainless Steel | 0000000 | 00000 | __ | 000000 | 00 |
Black-and-Gold Oxide High-Speed Steel | |||||||||||||
4.5 mm | 0.1772" | 86mm | 50.8mm | Round | 4.5mm | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 000000000 | 0000 | 10 | 000000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||||||
4.5 mm | 0.1772" | 80mm | 38mm | Round | 4.5mm | Standard | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 | __ | 000000 | 00 |
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'- and maintenance-length drill bits.
Black-oxide drill bits produce less friction than uncoated drill bits.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated and black-oxide drill bits.
Drill bits with a split point keep centered without a pilot hole.
Shank | Each | |||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
4.5 mm | 0.1772" | 58mm | 14.9mm | Round | 4.5mm | Split | DIN 1897 | Steel, Iron, Stainless Steel | 00000000 | 00000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | ||||||||||
4.5 mm | 0.1772" | 57mm | 23.9mm | Round | 4.5mm | Split | ANSI Standards, DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 |
Access hard-to-reach spots and drill deep holes.
Shank | |||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Metric | |||||||||
Uncoated High-Speed Steel | |||||||||
4.5 mm | 0.1772" | 126mm | 72.7mm | Round | 4.5mm | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
These jobbers'-length bits have the rigidity and length required for most applications. The flutes are designed to lift chips out of the hole, reducing clogging and improving coolant flow.
Parabolic spiral flute drill bits have wider flutes for more efficient chip evacuation than spiral-flute bits.
Black-oxide drill bits produce less friction than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
Shank | ||||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric—Parabolic Spiral Flute | ||||||||||
Uncoated High-Speed Steel | ||||||||||
4.5 mm | 0.1772" | 80mm | 38mm | Round | 4.5mm | Split | Steel, Iron, Aluminum, Brass, Bronze, Plastic | DIN 338 | 0000000 | 00000 |
Metric—Spiral Flute | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
4.5 mm | 0.1772" | 80mm | 38mm | Round | 4.5mm | Split | Steel, Iron, Stainless Steel | DIN 338 | 00000000 | 0000 |
These jobbers'-length bits have the rigidity and length required for most applications. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
Titanium-aluminum-nitride (TiAlN) coated drill bits are the most wear and temperature resistant for the longest life and highest drilling speeds.
Drill bits with a split point keep centered without a pilot hole.
Shank | Each | |||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Uncoated Cobalt Steel | ||||||||||
4.5 mm | 0.1772" | 80mm | 38mm | Round | 4.5mm | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 00000000 | 00000 |
Titanium-Nitride (TiN) Coated Cobalt Steel | ||||||||||
4.5 mm | 0.1772" | 79mm | 47mm | Round | 4.5mm | Split | DIN 338 | Steel, Hardened Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 0000 |
Titanium-Aluminum-Nitride (TiAlN) Coated Cobalt Steel | ||||||||||
4.5 mm | 0.1772" | 80mm | 22.5mm | Round | 4.5mm | Split | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 00000000 | 00000 |
The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow. With better heat and wear resistance than high-speed steel, these cobalt steel bits can run up to 25% faster and have a longer tool life. All are jobbers’ length so they have the rigidity and length required for most applications. A split point keeps the bit centered without a pilot hole.
Shank | ||||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric—Parabolic Spiral Flute | ||||||||||
Uncoated Cobalt Steel | ||||||||||
4.5 mm | 0.1772" | 79mm | 47mm | Round | 4.5mm | Split | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 0000000 | 00000 |
These jobbers'-length bits have the rigidity and length required for most applications. Made of solid carbide for the highest accuracy and longest tool life, they are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits. They retain a sharp, hard edge at high temperatures for the best performance on hard and abrasive material. The four-facet point keeps the bit centered without a pilot hole. These bits require rigid toolholding to prevent breakage and should not be used in hand-held drilling applications.
Shank | |||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Metric | |||||||||
Uncoated Carbide | |||||||||
4.5 mm | 0.1772" | 70mm | 32.8mm | Round | 4.5mm | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
These jobbers'-length bits have the rigidity and length required for most applications. Made of carbide-tipped steel, which has better wear resistance than high-speed steel and cobalt steel, they maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
Shank | Standard Point | ||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Type | Size | For Use On | Max. Drilling Dp. | Point Angle | Each | |
Metric | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
4.5 mm | 0.1772" | 89mm | Round | 4.5mm | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 47mm | 118° | 00000000 | 000000 |
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than standard-length drill bits. Made of carbide-tipped steel, which has better wear resistance than high-speed steel and cobalt steel, they maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
Shank | Standard Point | ||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | For Use On | Point Angle | Each | |
Metric | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
4.5 mm | 0.1772" | 56mm | 13.5mm | Round | 4.5mm | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 118° | 000000000 | 000000 |
Harder, stronger, and more wear resistant than carbide-tipped steel, solid-carbide bits maintain their sharp edges longer. They require rigid toolholding to prevent breakage and should not be used in hand-held drilling applications. The straight flutes withstand the heavy pressure necessary to penetrate hard steel. They are short length, also known as screw machine or stub length, which provides maximum rigidity for drilling straighter holes than jobbers'-length drill bits.
Drill bits with a carbide shank have the strength and rigidity to drill steel with a Rockwell hardness up to C45.
Drill bits with a four-facet or split point keep centered without a pilot hole.
Shank | Uncoated Carbide | |||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | No. of Flutes | For Max. Hardness | Point Style | Each | |
Metric | ||||||||||
Carbide Shank | ||||||||||
4.5 mm | 0.1772" | 63mm | 15.2mm | Round | 4.5mm | 2 | Rockwell C45 | Split | 0000000 | 000000 |
The sharp point allows for gradual penetration to reduce friction and eliminate cracking and chipping when drilling in plastic. These bits are jobbers' length and have the rigidity and length required for most applications.
Shank | ||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
Metric | ||||||||
Uncoated High-Speed Steel | ||||||||
4.5 mm | 0.1772" | 80mm | 55mm | Round | 4.5mm | Standard | 000000000 | 00000 |
Also known as reverse-flute bits, the flutes spiral in the opposite direction of other bits. Use in counterclockwise drilling applications such as removing broken screws. These bits are jobbers' length and have the rigidity and length required for most applications.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
Shank | ||||||||||
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Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Specifications Met | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
4.5 mm | 0.1772" | 80mm | 38mm | Round | 4.5mm | Standard | Steel, Iron, Stainless Steel | DIN 338 | 00000000 | 000000 |