System of Measurement System of Measurement |
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For Use On For Use On |
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Length Class Length Class |
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| Jobbers' Length |
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| Extended Length |
Material Material |
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Shank Type Shank Type |
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Bit Style Bit Style |
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 | Spiral Flute |
 | Parabolic Spiral Flute |
Individual/Set Individual/Set |
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Flute Direction Flute Direction |
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Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Specifications Met Specifications Met |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Drill Bits
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.
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.
For technical drawings and 3-D models, click on a part number.
Shank | Each | Pkg. | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | Pkg. Qty. | Pkg. | ||
Inch | |||||||||||||
Black-Oxide High-Speed Steel | |||||||||||||
| 15/32" | 0.4688" | 5 3/4" | 3.6" | Round | 15/32" | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 00000000 | 000000 | 6 | 00000000 | 000000 |
Titanium-Nitride (TiN) Coated High-Speed Steel | |||||||||||||
| 15/32" | 0.4688" | 5 3/4" | 3.6" | Round | 15/32" | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Aluminum, Brass, Bronze, Plastic | 000000000 | 00000 | 6 | 000000000 | 000000 |
Titanium-Aluminum-Nitride (TiAlN) Coated High-Speed Steel | |||||||||||||
| 15/32" | 0.4688" | 5 3/4" | 3.6" | Round | 15/32" | Split | NAS907 Type B | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 00000 | __ | 000000 | 00 |
Uncoated High-Speed Steel | |||||||||||||
| 15/32" | 0.4688" | 5 3/4" | 3.6" | Round | 15/32" | Standard | __ | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000 | 6 | 00000000 | 00000 |
Extended-Length Drill Bits
Black-oxide drill bits produce less friction than uncoated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 11/32" | 0.3438" | 6 1/2" | 3.6" | Round | 11/32" | Standard | Steel, Iron, Stainless Steel | 000000000 | 000000 |
Short-Flute Extended-Length Drill Bits
The short flutes on these bits provide increased rigidity for drilling straighter holes and the long length lets you access hard-to-reach spots.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Max. Drilling Depth | Type | Size | Point Style | Specifications Met | For Use On | Each | |
6" Overall Lg. | |||||||||
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 15/32" | 0.4688" | 3.6" | Round | 15/32" | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 000000 |
| 31/64" | 0.4844" | 3.6" | Round | 31/64" | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 00000 |
12" Overall Lg. | |||||||||
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 15/32" | 0.4688" | 3.6" | Round | 15/32" | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 00000 |
| 31/64" | 0.4844" | 3.6" | Round | 31/64" | Split | NAS907 Type B | Steel, Iron, Stainless Steel | 0000000 | 00000 |
Chip-Clearing Drill Bits
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch—Spiral Flute | |||||||||
Uncoated High-Speed Steel | |||||||||
| 15/32" | 0.4688" | 5 3/4" | 3.6" | Round | 15/32" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
Cobalt Steel Drill Bits
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Inch | ||||||||||
Uncoated Cobalt Steel | ||||||||||
| 15/32" | 0.4688" | 5 3/4" | 3.6" | Round | 15/32" | Split | NAS907 Type J | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 0000000 | 000000 |
| 31/64" | 0.4844" | 5 7/8" | 3.6" | Round | 31/64" | Split | NAS907 Type J | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 0000000 | 00000 |
Chip-Clearing Cobalt Steel Drill Bits
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.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch—Parabolic Spiral Flute | |||||||||
Uncoated Cobalt Steel | |||||||||
| 27/64" | 0.4219" | 5 1/2" | 3.6" | Round | 27/64" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 000000000 | 000000 |
| 7/16" | 0.4375" | 5 1/2" | 3.6" | Round | 7/16" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 000000000 | 00000 |
Titanium-Nitride (TiN) Coated Cobalt Steel | |||||||||
| 27/64" | 0.4219" | 5 1/2" | 3.6" | Round | 27/64" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 00000 |
| 7/16" | 0.4375" | 5 1/2" | 3.6" | Round | 7/16" | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 00000 |
Carbide-Tipped Drill Bits
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.
Drill bits with a split point keep centered without a pilot hole.
Drill bits with 135° point angle produce smaller chips than 118° point to prevent clogging.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Type | Size | For Use On | Max. Drilling Dp. | Point Angle | Each | |
Standard Point | |||||||||
Inch | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 29/64" | 0.4531" | 5 3/4" | Round | 29/64" | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 3.6" | 118° | 0000000 | 000000 |
Split Point | |||||||||
Inch | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 29/64" | 0.4531" | 5 3/4" | Round | 29/64" | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 3.6" | 135° | 00000000 | 00000 |