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About Drill Bits
Compare material, finish, length class, and decimal size equivalents.
About Masonry Drill Bits
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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.
Inch Drill Bits
Spline Shank
| 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 1/2" | 1.5" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 0000000 |
| 1 3/4" | 1.75" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
| 2" | 2" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
| 2 1/2" | 2.5" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
| 3" | 3" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
| 3 1/2" | 3.5" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
| 4 1/2" | 4.5" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
| 5" | 5" | 17" | 12" | Spline | Standard | ANSI B212.15 | Masonry, Concrete | Pilot Drill | 00000000 | 000000 |
Bit Bodies
| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Material | Specifications Met | Each | |
| 1 1/2" | 1.5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 0000000 |
| 1 3/4" | 1.75" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
| 2" | 2" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
| 2 1/2" | 2.5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
| 3" | 3" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
| 3 1/2" | 3.5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
| 4 1/2" | 4.5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
| 5" | 5" | 5" | Uncoated Carbide-Tipped Steel | ANSI B212.15 | 0000000 | 000000 |
Replacement Spline Shanks
Spline Shank
| Material | Each | |
| Steel | 00000000 | 000000 |
Replacement Pilot Drills
| 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 |
Spline-Shank Masonry Drill Bits for Rotary Hammers
Standard Point
Multi-Point
Spline Shank
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. These bits drill faster and penetrate material with less pressure than rotary-only bits. Also called 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 | Specifications Met | For Use On | Each | |
Inch—Standard Point | ||||||||
|---|---|---|---|---|---|---|---|---|
Uncoated Carbide-Tipped Steel | ||||||||
| 3/8" | 0.375" | 10" | 4" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 3/8" | 0.375" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/8" | 0.375" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/16" | 0.4375" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1/2" | 0.5" | 42" | 36" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 9/16" | 0.5625" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 9/16" | 0.5625" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/8" | 0.625" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/8" | 0.625" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/8" | 0.625" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/8" | 0.625" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 11/16" | 0.6875" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 13/16" | 0.8125" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 13/16" | 0.8125" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1" | 1" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/8" | 1.125" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/8" | 1.125" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/4" | 1.25" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1 1/4" | 1.25" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/4" | 1.25" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 3/8" | 1.375" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/2" | 1.5" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
Inch—Multi-Point | ||||||||
Uncoated Carbide-Tipped Steel | ||||||||
| 5/8" | 0.625" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/8" | 0.625" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 5/8" | 0.625" | 42" | 36" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 3/4" | 0.75" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 42" | 36" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 7/8" | 0.875" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 7/8" | 0.875" | 42" | 36" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1" | 1" | 14" | 8" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 18" | 12" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 1" | 1" | 42" | 36" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/8" | 1.125" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/4" | 1.25" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 3/8" | 1.375" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/2" | 1.5" | 22" | 16" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/2" | 1.5" | 42" | 36" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |