About Masonry Drill Bits
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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SDS-Max-Shank Masonry Drill Bits for Rotary Hammers
The SDS-Max shank has three deep slots and two shallow slots for use with SDS-Max-drive rotary hammers. These bits cannot be used with SDS-Plus-drive rotary hammers. Drill holes using simultaneous rotary and hammering action to break masonry material into tiny granules. This type of bit drills faster and penetrates material with less pressure than rotary-only bits. Also known as percussion or impact bits.
Multi-point drill bits have five carbide points on the tip, which provide longer life and reduce vibration for drilling smoother, rounder holes than standard-point masonry drill bits.
For technical drawings and 3-D models, click on a part number.
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | Specifications Met | For Use On | Each | |
Inch | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Uncoated Carbide-Tipped Steel | |||||||||
| 3/4" | 0.75" | 54" | 48" | SDS Max | Multi-Point | ANSI B212.15 | Masonry, Concrete | 0000000 | 0000000 |
Flexible-Shaft Drill Bits for Wire Installation
The shaft is made of spring steel instead of hardened steel, so it flexes while drilling, allowing you to drill inside walls or between floors. A hole in the flute near the tip lets you pull wire through after holes are drilled. The end of the wire must be stripped prior to attaching it to the bit. Also known as bell hanger bits.
Use a hand guide (sold separately) to position flexible-shaft drill bits.
Use a ball guide (sold separately) to keep flexible-shaft drill bits centered between studs and drywall.
Shank | 54" Overall Lg. | |||||||
|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Type | Size | Shaft Dia. | For Use On | Max. Drilling Dp. | Each | |
Powder-Coated Steel | ||||||||
| 3/8" | 0.375" | Round | 3/16" | 3/16" | Wood | 53" | 000000 | 000000 |
| 1/2" | 0.5" | Round | 1/4" | 3/16" | Wood | 53" | 000000 | 00000 |
| 9/16" | 0.5625" | Round | 1/4" | 3/16" | Wood | 53" | 000000 | 00000 |
| 5/8" | 0.625" | Round | 1/4" | 3/16" | Wood | 53" | 000000 | 00000 |
| 3/4" | 0.75" | Round | 1/4" | 1/4" | Wood | 53" | 000000 | 00000 |
| 1" | 1" | Round | 1/4" | 1/4" | Wood | 53" | 000000 | 00000 |
For Drill Bit | |||||
|---|---|---|---|---|---|
| Material | Shank Type | Shaft Size | Lg. | Each | |
| Steel | Round | 3/16", 1/4" | 10" | 000000 | 000000 |
For Drill Bit | |||||||
|---|---|---|---|---|---|---|---|
| Material | Shank Type | Shank Size | Shaft Size | Dia. | No. of Guides | Each | |
| Plastic | Round | 3/16" | 3/16" | 1 1/2", 2" | 2 | 000000 | 000000 |