System of Measurement System of Measurement |
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For Drilling Type For Drilling Type |
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Point Style Point Style |
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Material Material |
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Flute Direction Flute Direction |
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| Right Hand |
Decimal Size Equivalent Decimal Size Equivalent |
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Bit Style Bit Style |
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 | Spiral Flute |
Individual/Set Individual/Set |
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Specifications Met Specifications Met |
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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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Point Angle Point Angle |
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Finish Finish |
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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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Round- and Hex-Shank Masonry Drill Bits for Rotary-Only Drilling
Instead of using a hammering action to break up masonry material, these bits drill with rotary action only, requiring more pressure to grind up material. Use with handheld power drills, drill presses, and in hammer drills set to rotary-only mode. Do not use in hammering applications.
When using bits with a maximum drilling depth of 10 1/2” or greater, take the bit out of the hole every 4” and remove debris before drilling deeper to achieve maximum drilling depth.
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 | Specifications Met | For Use On | Each | |
Inch | ||||||||||
Uncoated Carbide-Tipped Steel | ||||||||||
| 1/8" | 0.125" | 3" | 1 1/2" | Round | 1/8" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/32" | 0.1563" | 3" | 1 5/8" | Round | 5/32" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 11/64" | 0.1719" | 3" | 1 5/8" | Round | 11/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 3/16" | 0.1875" | 3" | 1 5/8" | Round | 11/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 1/4" | 0.25" | 4" | 2 1/2" | Round | 13/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 1/4" | 0.25" | 6" | 4 1/2" | Round | 13/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 1/4" | 0.25" | 12" | 10" | Round | 13/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 1/4" | 0.25" | 18" | 16" | Round | 13/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/4" | 0.25" | 24" | 22" | Round | 13/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 9/32" | 0.2813" | 4" | 2 1/2" | Round | 13/64" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 5/16" | 0.3125" | 4" | 2 1/2" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 0000 |
| 5/16" | 0.3125" | 6" | 4 1/2" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 5/16" | 0.3125" | 12" | 10" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/16" | 0.3125" | 24" | 22" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/8" | 0.375" | 4" | 2 1/2" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 0000 |
| 3/8" | 0.375" | 6" | 4 1/2" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000 |
| 3/8" | 0.375" | 12" | 10" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/8" | 0.375" | 24" | 22" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/16" | 0.4375" | 6" | 4 1/2" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 0000 |
| 7/16" | 0.4375" | 18" | 16" | Round | 3/8" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 6" | 4 1/2" | Round | 1/4" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 0000 |
| 1/2" | 0.5" | 12" | 10" | Round | 3/8" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 18" | 16" | Round | 3/8" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 24" | 22" | Round | 3/8" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 9/16" | 0.5625" | 6" | 4 1/2" | Round | 3/8" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 0000 |
| 5/8" | 0.625" | 6" | 4 1/2" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 0000 |
| 5/8" | 0.625" | 24" | 22" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 6" | 4 1/2" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 00000 |
| 3/4" | 0.75" | 12" | 10" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 24" | 22" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 6" | 4 1/2" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 00000 |
| 7/8" | 0.875" | 12" | 10" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 6" | 4 1/2" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 00000 |
| 1" | 1" | 12" | 10" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 18" | 16" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/8" | 1.125" | 6" | 4 1/2" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 00000 |
| 1 1/8" | 1.125" | 12" | 10" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/4" | 1.25" | 6" | 4 1/2" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 00000 |
| 1 1/4" | 1.25" | 12" | 10" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/4" | 1.25" | 18" | 16" | Round | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 3/8" | 1.375" | 12" | 10" | Hex | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 3/8" | 1.375" | 18" | 16" | Hex | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/2" | 1.5" | 12" | 10" | Hex | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/2" | 1.5" | 18" | 16" | Hex | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/2" | 1.5" | 24" | 22" | Hex | 1/2" | Standard | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |