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System of Measurement System of Measurement |
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Drill Bit Size Drill Bit Size | Show |
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Drill Bit Size Drill Bit Size | Hide |
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Finish Finish |
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Material Material |
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Decimal Size Equivalent Decimal Size Equivalent |
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Point Style Point Style |
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Flute Direction Flute Direction |
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Shank Type Shank Type |
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| Round | Threaded Hub |
Individual/Set Individual/Set |
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Bit Style Bit Style |
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 | Multi-Tooth |
 | Hollow |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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For Use On For Use On |
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Bit ID Bit ID |
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For Drilling Type For Drilling Type |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Thread Size Thread Size |
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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About Masonry Drill Bits
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Masonry Drill Bits for Drilling Rigs
Use these diamond-coated hollow bits for wet drilling of masonry, concrete, and rebar with a drilling rig. They're not for dry drilling or use with portable electric drills or grinders. The size listed is the bit’s OD.
Inch Drill Bits
Shank | |||||||||||
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| Drill Bit Size | Decimal Size Equivalent | Bit ID | Overall Lg. | Max. Drilling Dp. | Thread Size | Type | Size | Point Style | For Use On | Each | |
Diamond-Coated Steel | |||||||||||
| 2 3/4" | 2.75" | 2 1/2" | 15 1/2" | 13" | 1 1/4"-7 | Threaded Hub | 2 3/4" | Standard | Masonry, Concrete, Reinforced Concrete, Rebar | 0000000 | 0000000 |
Fast-Cutting Smooth-Finish Drill Bits for Wood
Multiple outlining teeth bore clean, flat-bottom holes without chipping or splintering your surface—even when cutting across the grain. These bits are excellent for boring straight holes, overlapping holes, and holes on close centers in soft wood, veneer, and laminates. The center guide point prevents the bit from wandering. Also known as multispur bits or Forstner bits.
For technical drawings and 3-D models, click on a part number.
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Each | |
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Uncoated Steel | ||||||||
| 2 3/4" | 2.75" | 6" | 4" | Round | 1/2" | Standard | 0000000 | 000000 |