System of Measurement System of Measurement |
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Drill Bit Size Drill Bit Size |
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Decimal Size Equivalent Decimal Size Equivalent |
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Bit Style Bit Style |
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Spiral Flute | Multidiameter |
Material Material |
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Flute Direction Flute Direction |
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Right Hand |
Shank Type Shank Type |
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Length Class Length Class |
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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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Point Style Point Style |
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Standard |
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Four Facet |
Finish Finish |
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Individual/Set Individual/Set |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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For Maximum Material Thickness For MaximumMaterial Thickness |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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.
For technical drawings and 3-D models, click on a part number.
Shank | Each | ||||||||
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Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Wire Gauge | |||||||||
Uncoated High-Speed Steel | |||||||||
91 ga. | 0.0083" | 3/4" | 0.08" | Round | 0.0083" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
90 ga. | 0.0087" | 3/4" | 0.08" | Round | 0.0087" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
88 ga. | 0.0094" | 3/4" | 0.08" | Round | 0.0094" | Standard | Steel, Iron, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
Quick-Change Carbide Drill Bits

Make fast bit changes—all of these bits have the same shank diameter, eliminating the need for different collets to hold each size. 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. These bits require rigid toolholding to prevent breakage and should not be used in handheld drilling. All are jobbers’ length so they have the rigidity and length required for most applications.
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 | |||||||||
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Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Uncoated Carbide | |||||||||
0.0060" | 0.006" | 1 1/2" | 0.08" | Round | 1/8" | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
0.0070" | 0.007" | 1 1/2" | 0.08" | Round | 1/8" | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
Any-Diameter Drill Bits


Place a washer (not included) with an ID of the desired hole size over the bit and it acts as a stop to prevent the bit from drilling a larger hole.
Style A do not require a pilot hole.
Style B require a 1 29/64” pilot hole to start drilling.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||||
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Style | Drill Bit Size | Size Decimal Equivalent | Overall Lg. | For Max. Material Thick. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||||
Black-Oxide High-Speed Steel | |||||||||||
A | 1/8"-9/16" | 0.125"-0.5625" | 2 1/4" | 1/16" | 0.08" | Round | 1/4" | Standard | Steel, Iron, Stainless Steel | 0000000 | 000000 |
A | 1/4"-13/16" | 0.25"-0.8125" | 2 3/4" | 1/16" | 0.08" | Round | 3/8" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
A | 5/8"-1 3/16" | 0.625"-1.1875" | 3" | 1/16" | 0.08" | Round | 3/8" | Standard | Steel, Iron, Stainless Steel | 0000000 | 00000 |
A | 1"-1 5/8" | 1"-1.625" | 3 1/4" | 1/16" | 0.08" | Round | 3/8" | Standard | Steel, Iron, Stainless Steel | 0000000 | 000000 |
B | 1 1/2"-2 1/16" | 1.5"-2.0625" | 2 3/4" | 1/16" | 0.08" | Round | 1/2" | __ | Steel, Iron, Stainless Steel | 0000000 | 000000 |