System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent |
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Material Material |
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Point Style Point Style |
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| Standard |
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| Four Facet |
Bit Style Bit Style |
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| Spiral Flute | Multidiameter |
Shank Type Shank Type |
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 | Round |
Flute Direction Flute Direction |
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| Right Hand |
Length Class Length Class |
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 | Jobbers' Length |
Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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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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For Maximum Material Thickness For MaximumMaterial Thickness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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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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| 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 hand-held drilling. All are jobbers’ length so they have the rigidity and length required for most applications.
Drill bits with a four-facet point keep 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 | |||||||||
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 | 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 |