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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| Reduced Shank Length |
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| Taper Shank Length |
Material Material |
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Finish Finish |
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Shank Type Shank Type |
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| Round | Reduced Round |
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| Morse Taper |
Point Style Point Style |
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| Split |
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| Carbide Insert |
Bit Style Bit Style |
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 | Spiral Flute |
Individual/Set Individual/Set |
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Flute Direction Flute Direction |
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| Right Hand |
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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Morse Taper Number Morse Taper Number |
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Specifications Met Specifications Met |
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Morse Taper Diameter Morse Taper Diameter |
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Number of Coolant Holes Number of Coolant Holes |
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About Drill Bits
More
Drill Bit Decimal Size Equivalents
More
Cobalt Steel Drill Bits
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated 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 | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Inch | ||||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | ||||||||||
| 31/64" | 0.4844" | 5 7/8" | 4.38" | Round | 31/64" | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 000000000 | 000000 |
3/8" Diameter Reduced-Shank Drill Bits
The shank has a smaller diameter than the tip, allowing you to drill large holes with machines that have small-capacity chucks. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Black-Oxide High-Speed Steel | |||||||||
| 31/64" | 0.4844" | 5 7/8" | 4.38" | Reduced Round | 3/8" | Split | Steel, Iron, Stainless Steel | 0000000 | 000000 |
Cobalt Steel Morse Taper-Shank Drill Bits
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. Install the Morse taper shank directly into the tapered spindle on machines such as drill presses and lathes. A split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Morse Taper | ||||||||||
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| Size | Decimal Size Equivalent | No. | Dia. | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | For Use On | Each | |
Inch | ||||||||||
Uncoated Cobalt Steel | ||||||||||
| 1/2" | 0.5" | 2 | 0.7" | 8 1/4" | 4.38" | Morse Taper | Split | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 0000000 | 000000 |
Replaceable Carbide-Insert Drill Bits
Use these bits to drill a large number of holes with high precision. When the cutting edges dull, replace the carbide inserts (sold separately) instead of the entire bit. Each drill bit requires two inserts—one on the inner cutting edge and one on the outer cutting edge. Bits can be used in CNC machines with coolant-through technology; holes in the bit allow coolant to be channeled through the tool for more efficient chip evacuation.
For technical drawings and 3-D models, click on a part number.
Drill Bits | ||||||||||||
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For Insert Inscribed Circle Dia. (IC) | Shank | Replacement Screws | ||||||||||
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Inner | Outer | For Use On | Type | Size | Each | Each | ||
Steel | ||||||||||||
| 7/8" | 0.875" | 7 3/8" | 4.38" | 0.268" | 0.295" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 0000000 | 0000000 | 00000 |
| For Drill Bit Size | Inscribed Circle Dia. (IC) | Thick. | Hole Dia. | Tip Radius | For Use On | Features | Each | |
Titanium-Aluminum-Nitride (TiAlN) Coated Carbide | ||||||||
|---|---|---|---|---|---|---|---|---|
| 7/8" | 0.268" | 1/8" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 000000 |
| For Drill Bit Size | Inscribed Circle Dia. (IC) | Thick. | Hole Dia. | Tip Radius | For Use On | Features | Each | |
Titanium-Nitride (TiN) Coated Carbide | ||||||||
|---|---|---|---|---|---|---|---|---|
| 7/8" | 0.295" | 1/8" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 000000 |