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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Changeable-Size SDS-Max-Shank Masonry Core Drill Bits for Rotary Hammers
These bits allow you to switch to another size by changing only the bit body. They are hollow and cut with their outside edge for drilling large holes. The SDS-Max shank has three deep slots and two shallow slots for use with SDS-Max-drive rotary hammers. They 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. To achieve maximum drilling depth, break up and remove the core every 4” before drilling deeper.
Drill bits include a pilot drill to make starting holes easier.
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 | Includes | Each | |
Uncoated Carbide-Tipped Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5" | 5" | 17" | 12" | SDS Max | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 0000000 |
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Material | Specifications Met | Each | |
| 5" | 5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 0000000 |
| For Drill Bit Size | Material | Each | |
| 1 1/2", 1 3/4", 2 1/2", 2", 3 1/2", 3", 4 1/2", 4", 5" | Carbide-Tipped Steel | 0000000 | 000000 |
SDS-Max-Shank Masonry Core Drill Bits for Rotary Hammers
These hollow bits cut with their outside edge for drilling large holes. The SDS-Max shank has three deep slots and two shallow slots for use with SDS-Max-drive rotary hammers. They 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. The included pilot drill makes starting holes easier.
For technical drawings and 3-D models, click on a part number.
22" Overall Lg. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Drill Bit Size | Decimal Size Equivalent | Shank Type | Point Style | Specifications Met | For Use On | Includes | Max. Drilling Dp. | Each | |
Inch | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 5" | 5" | SDS Max | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill, Core Ejector Key | 17" | 00000000 | 0000000 |
| Replacement Pilot Drill with Core Ejector Key | 00000000 | Each | 000000 |
Changeable-Size Spline-Shank Masonry Core Drill Bits for Rotary Hammers
These bits allow you to switch to another size by changing only the bit body. They are hollow and cut with their outside edge for drilling large holes. The shank has 12 splines for use with a spline-drive rotary hammer. 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 called percussion or impact bits.
Drill bits include a pilot drill to make starting holes easier.
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 | Includes | Each | |
Uncoated Carbide-Tipped Steel | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 5" | 5" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 0000000 |
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Material | Specifications Met | Each | |
| 5" | 5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 0000000 |
| For Drill Bit Size | Material | Each | |
| 1 1/2", 1 3/4", 2 1/2", 2", 3 1/2", 3", 4 1/2", 4", 5" | Carbide-Tipped Steel | 0000000 | 000000 |
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.
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 | |||||||||||
| 5" | 5" | 4 3/4" | 15 1/2" | 13" | 1 1/4"-7 | Threaded Hub | 5" | Standard | Masonry, Concrete, Reinforced Concrete, Rebar | 0000000 | 0000000 |