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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
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.
Adapters let you use your bit on a drilling rig with a different thread size.
For technical drawings and 3-D models, click on a part number.
Inch Drill Bits
Shank | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |||||||||||
| 1 3/8" | 1.375" | 1 1/8" | 15 1/2" | 13" | 5/8"-11 | Threaded Hub | 1 3/8" | Standard | Masonry, Concrete, Reinforced Concrete, Rebar | 0000000 | 0000000 |
Thread Adapters
| Overall Lg. | Male Thread Size | Female Thread Size | For Drill Bit Shank Type | Each | |
| 5 3/8" | 5/8"-11 | 1 1/4"-7 | Threaded Hub | 0000000 | 0000000 |