System of Measurement System of Measurement |
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Drill Bit Size Drill Bit Size |
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For Use On For Use On |
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Decimal Size Equivalent Decimal Size Equivalent |
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Material Material |
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Finish Finish |
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Shank Size Shank Size |
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Shank Type Shank Type |
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 | Round |
Length Class Length Class |
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 | Jobbers' Length |
Bit Style Bit Style |
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 | Spiral Flute |
Overall Length Overall Length |
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Flute Direction Flute Direction |
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| Right Hand |
Maximum Drilling Depth Maximum Drilling Depth |
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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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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Drill Bits for Carbon Fiber, Fiberglass, and Graphite
Uncoated Brad Point
Diamond-Coated Split Point
Diamond-Coated Brad Point
These jobbers'-length bits have the rigidity and length required for most applications. They are designed to make clean holes in abrasive material. Their point keeps the bit centered without a pilot hole.
Uncoated drill bits have three drill points that make clean holes in fiber-reinforced composites without fraying or delaminating the material.
Diamond-coated drill bits are highly wear resistant for drilling in abrasive material. They last longer than uncoated 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 | Each | |
Inch | ||||||||
Uncoated Carbide | ||||||||
| 3/64" | 0.0469" | 1 1/2" | 0.6" | Round | 3/64" | Brad | 000000 | 000000 |
| 1/16" | 0.0625" | 1 1/2" | 0.6" | Round | 1/16" | Brad | 000000 | 00000 |
| 5/64" | 0.0781" | 1 3/4" | 0.7" | Round | 5/64" | Brad | 0000000 | 00000 |
| 3/32" | 0.0938" | 2" | 0.8" | Round | 3/32" | Brad | 0000000 | 00000 |
| 7/64" | 0.1094" | 2 1/4" | 1" | Round | 7/64" | Brad | 0000000 | 00000 |
| 1/8" | 0.125" | 2 1/4" | 1" | Round | 1/8" | Brad | 0000000 | 00000 |
| 9/64" | 0.1406" | 2 1/2" | 1.1" | Round | 9/64" | Brad | 0000000 | 00000 |
| 5/32" | 0.1563" | 2 1/2" | 1.1" | Round | 5/32" | Brad | 0000000 | 00000 |
| 11/64" | 0.1719" | 2 3/4" | 1.3" | Round | 11/64" | Brad | 0000000 | 00000 |
| 3/16" | 0.1875" | 2 3/4" | 1.3" | Round | 3/16" | Brad | 0000000 | 00000 |
| 13/64" | 0.2031" | 3" | 1.4" | Round | 13/64" | Brad | 0000000 | 00000 |
| 7/32" | 0.2188" | 3" | 1.4" | Round | 7/32" | Brad | 0000000 | 00000 |
| 15/64" | 0.2344" | 3 1/4" | 1.6" | Round | 15/64" | Brad | 0000000 | 00000 |
| 1/4" | 0.25" | 3 1/4" | 1.6" | Round | 1/4" | Brad | 0000000 | 00000 |
| 17/64" | 0.2656" | 3 1/2" | 1.7" | Round | 17/64" | Brad | 0000000 | 00000 |
| 9/32" | 0.2813" | 3 1/2" | 1.7" | Round | 9/32" | Brad | 0000000 | 00000 |
| 19/64" | 0.2969" | 3 3/4" | 1.9" | Round | 19/64" | Brad | 0000000 | 00000 |
| 5/16" | 0.3125" | 3 3/4" | 1.9" | Round | 5/16" | Brad | 0000000 | 00000 |
| 21/64" | 0.3281" | 4" | 2" | Round | 21/64" | Brad | 0000000 | 00000 |
| 11/32" | 0.3438" | 4" | 2" | Round | 11/32" | Brad | 0000000 | 00000 |
| 23/64" | 0.3594" | 4 1/4" | 2.2" | Round | 23/64" | Brad | 0000000 | 00000 |
| 3/8" | 0.375" | 4 1/4" | 2.2" | Round | 3/8" | Brad | 0000000 | 00000 |
| 25/64" | 0.3906" | 4 1/2" | 2.3" | Round | 25/64" | Brad | 0000000 | 000000 |
| 13/32" | 0.4063" | 4 1/2" | 2.3" | Round | 13/32" | Brad | 0000000 | 000000 |
| 27/64" | 0.4219" | 4 1/2" | 2.3" | Round | 27/64" | Brad | 0000000 | 000000 |
| 7/16" | 0.4375" | 4 1/2" | 2.3" | Round | 7/16" | Brad | 0000000 | 000000 |
| 29/64" | 0.4531" | 4 3/4" | 2.4" | Round | 29/64" | Brad | 0000000 | 000000 |
| 15/32" | 0.4688" | 4 3/4" | 2.4" | Round | 15/32" | Brad | 0000000 | 000000 |
| 31/64" | 0.4844" | 4 3/4" | 2.4" | Round | 31/64" | Brad | 0000000 | 000000 |
| 1/2" | 0.5" | 4 3/4" | 2.4" | Round | 1/2" | Brad | 0000000 | 000000 |
| 9/16" | 0.5625" | 6" | 3.2" | Round | 9/16" | Brad | 0000000 | 000000 |
| 5/8" | 0.625" | 6" | 3.2" | Round | 5/8" | Brad | 0000000 | 000000 |
Diamond-Coated Carbide | ||||||||
| 1/16" | 0.0625" | 1 1/2" | 0.6" | Round | 1/16" | Split | 0000000 | 00000 |
| 5/64" | 0.0781" | 1 3/4" | 0.7" | Round | 5/64" | Split | 0000000 | 00000 |
| 3/32" | 0.0938" | 2" | 0.8" | Round | 3/32" | Split | 0000000 | 00000 |
| 7/64" | 0.1094" | 2 1/4" | 1" | Round | 7/64" | Split | 0000000 | 00000 |
| 1/8" | 0.125" | 2 1/4" | 1" | Round | 1/8" | Split | 0000000 | 00000 |
| 9/64" | 0.1406" | 2 1/2" | 1.1" | Round | 9/64" | Split | 0000000 | 00000 |
| 5/32" | 0.1563" | 2 1/2" | 1.1" | Round | 5/32" | Split | 0000000 | 00000 |
| 11/64" | 0.1719" | 2 3/4" | 1.3" | Round | 11/64" | Split | 0000000 | 00000 |
| 3/16" | 0.1875" | 2 3/4" | 1.3" | Round | 3/16" | Split | 0000000 | 00000 |
| 7/32" | 0.2188" | 3" | 1.4" | Round | 7/32" | Split | 0000000 | 00000 |
| 1/4" | 0.25" | 3 1/4" | 1.6" | Round | 1/4" | Split | 0000000 | 00000 |
| 5/16" | 0.3125" | 3 3/4" | 1.9" | Round | 5/16" | Split | 0000000 | 00000 |
| 3/8" | 0.375" | 4 1/4" | 2.2" | Round | 3/8" | Split | 0000000 | 000000 |
| 1/2" | 0.5" | 4 3/4" | 2.4" | Round | 1/2" | Split | 0000000 | 000000 |
Wire Gauge | ||||||||
Uncoated Carbide | ||||||||
| 60 ga. | 0.04" | 1 1/2" | 0.6" | Round | 0.04" | Brad | 00000000 | 00000 |
| 57 ga. | 0.043" | 1 1/2" | 0.6" | Round | 0.043" | Brad | 00000000 | 00000 |
| 56 ga. | 0.0465" | 1 1/2" | 0.6" | Round | 0.0465" | Brad | 00000000 | 00000 |
| 55 ga. | 0.052" | 1 1/2" | 0.6" | Round | 0.052" | Brad | 00000000 | 00000 |
| 54 ga. | 0.055" | 1 1/2" | 0.6" | Round | 0.055" | Brad | 00000000 | 00000 |
| 53 ga. | 0.0595" | 1 1/2" | 0.6" | Round | 0.0595" | Brad | 00000000 | 00000 |
| 52 ga. | 0.0635" | 1 1/2" | 0.6" | Round | 0.0635" | Brad | 00000000 | 00000 |
| 51 ga. | 0.067" | 1 1/2" | 0.6" | Round | 0.067" | Brad | 00000000 | 00000 |
| 50 ga. | 0.07" | 1 3/4" | 0.7" | Round | 0.07" | Brad | 00000000 | 00000 |
| 49 ga. | 0.073" | 1 3/4" | 0.7" | Round | 0.073" | Brad | 0000000 | 00000 |
| 48 ga. | 0.076" | 1 3/4" | 0.7" | Round | 0.076" | Brad | 00000000 | 00000 |
| 47 ga. | 0.0785" | 1 3/4" | 0.7" | Round | 0.0785" | Brad | 00000000 | 00000 |
| 46 ga. | 0.081" | 1 3/4" | 0.7" | Round | 0.081" | Brad | 00000000 | 00000 |
| 45 ga. | 0.082" | 1 3/4" | 0.7" | Round | 0.082" | Brad | 00000000 | 00000 |
| 44 ga. | 0.086" | 2" | 0.8" | Round | 0.086" | Brad | 00000000 | 00000 |
| 43 ga. | 0.089" | 2" | 0.8" | Round | 0.089" | Brad | 00000000 | 00000 |
| 42 ga. | 0.0935" | 2" | 0.8" | Round | 0.0935" | Brad | 00000000 | 00000 |
| 41 ga. | 0.096" | 2" | 0.8" | Round | 0.096" | Brad | 00000000 | 00000 |
| 40 ga. | 0.098" | 2" | 0.8" | Round | 0.098" | Brad | 00000000 | 00000 |
| 39 ga. | 0.0995" | 2 1/4" | 1" | Round | 0.0995" | Brad | 0000000 | 00000 |
| 38 ga. | 0.1015" | 2 1/4" | 1" | Round | 0.1015" | Brad | 00000000 | 00000 |
| 37 ga. | 0.104" | 2 1/4" | 1" | Round | 0.104" | Brad | 00000000 | 00000 |
| 36 ga. | 0.1065" | 2 1/4" | 1" | Round | 0.1065" | Brad | 00000000 | 00000 |
| 35 ga. | 0.11" | 2 1/4" | 1" | Round | 0.11" | Brad | 00000000 | 00000 |
| 34 ga. | 0.111" | 2 1/4" | 1" | Round | 0.111" | Brad | 00000000 | 00000 |
| 33 ga. | 0.113" | 2 1/4" | 1" | Round | 0.113" | Brad | 00000000 | 00000 |
| 32 ga. | 0.116" | 2 1/4" | 1" | Round | 0.116" | Brad | 00000000 | 00000 |
| 31 ga. | 0.12" | 2 1/4" | 1" | Round | 0.12" | Brad | 00000000 | 00000 |
| 30 ga. | 0.1285" | 2 1/4" | 1.1" | Round | 0.1285" | Brad | 00000000 | 00000 |
| 29 ga. | 0.136" | 2 1/2" | 1.1" | Round | 0.136" | Brad | 0000000 | 00000 |
| 28 ga. | 0.1405" | 2 1/2" | 1.1" | Round | 0.1405" | Brad | 00000000 | 00000 |
| 27 ga. | 0.144" | 2 1/2" | 1.1" | Round | 0.144" | Brad | 00000000 | 00000 |
| 26 ga. | 0.147" | 2 1/2" | 1.1" | Round | 0.147" | Brad | 00000000 | 00000 |
| 25 ga. | 0.1495" | 2 1/2" | 1.1" | Round | 0.1495" | Brad | 00000000 | 00000 |
| 24 ga. | 0.152" | 2 1/2" | 1.1" | Round | 0.152" | Brad | 00000000 | 00000 |
| 23 ga. | 0.154" | 2 1/2" | 1.1" | Round | 0.154" | Brad | 00000000 | 00000 |
| 22 ga. | 0.157" | 2 1/2" | 1.1" | Round | 0.157" | Brad | 00000000 | 00000 |