System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent |
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Overall Length Overall Length | Show |
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Overall Length Overall Length | Hide |
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For Use On For Use On |
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Length Class Length Class |
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Point Style Point Style |
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Material Material |
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Bit Style Bit Style |
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| Spiral Flute | Straight Flute |
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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Individual/Set Individual/Set |
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Finish Finish |
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For Drilling Type For Drilling Type |
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Flute Direction Flute Direction |
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Specifications Met Specifications Met |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Shaft Type Shaft Type |
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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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Extended-Length Carbide-Tipped Drill Bits with Coolant Holes
Also known as gun drills, use these bits to drill long, straight holes. A hole in the bit allows coolant to be channeled through the tool for more efficient chip evacuation. More wear resistant than cobalt steel and high-speed steel, these carbide-tipped bits maintain a sharper, harder edge at high temperatures for excellent performance on abrasive material.
For technical drawings and 3-D models, click on a part number.
Shank | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | No. of Coolant Holes | For Use On | Each | |
Inch | ||||||||||
Uncoated Carbide-Tipped Steel | ||||||||||
| 1/4" | 0.25" | 28" | 24" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 0000000 |
| 17/64" | 0.2656" | 28" | 24" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 9/32" | 0.2813" | 28" | 24" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 5/16" | 0.3125" | 28" | 24" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 3/8" | 0.375" | 28" | 24" | Round | 0.7498" | Standard | 2 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 13/32" | 0.4063" | 28" | 24" | Round | 0.7498" | Standard | 2 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
| 1/2" | 0.5" | 28" | 24" | Round | 0.7498" | Standard | 2 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
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.
For technical drawings and 3-D models, click on a part number.
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Shank Type | Point Style | Specifications Met | For Use On | Each | |
Inch | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Uncoated Carbide-Tipped Steel | |||||||||
| 1/2" | 0.5" | 28" | 22" | SDS Max | Standard | ANSI B212.15 | Masonry, Concrete | 00000000 | 000000 |
Spline-Shank Masonry Drill Bits for Rotary Hammers
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.
For technical drawings and 3-D models, click on a part number.
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Shank Type | Specifications Met | For Use On | Each | |
Inch—Standard Point | ||||||||
|---|---|---|---|---|---|---|---|---|
Uncoated Carbide-Tipped Steel | ||||||||
| 1/2" | 0.5" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 5/8" | 0.625" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 00000 |
| 3/4" | 0.75" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 7/8" | 0.875" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1" | 1" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
| 1 1/4" | 1.25" | 28" | 22" | Spline | ANSI B212.15 | Masonry, Concrete | 0000000 | 000000 |
Drill Bits for Wire Installation
Unlike traditional wire-installing drill bits, you do not need to strip the end of the wire when using one of these bits. After drilling, insert the wire into the bit's hollow shaft and pull through the drilled hole. Also known as bell hanger bits.
For technical drawings and 3-D models, click on a part number.
Shank | 28" Overall Lg. | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | Decimal Size Equivalent | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | ||||||||
Black-Oxide High-Speed Steel | ||||||||
| 21/64" | 0.328" | 3.31" | Round | 5/16" | Standard | Steel, Iron, Stainless Steel, Aluminum, Copper, Brass, Bronze, Fiberglass, Plastic, Wood | 0000000 | 000000 |
| 25/64" | 0.39" | 3.88" | Round | 3/8" | Standard | Steel, Iron, Stainless Steel, Aluminum, Copper, Brass, Bronze, Fiberglass, Plastic, Wood | 0000000 | 00000 |
| 29/64" | 0.453" | 4.19" | Round | 7/16" | Standard | Steel, Iron, Stainless Steel, Aluminum, Copper, Brass, Bronze, Fiberglass, Plastic, Wood | 0000000 | 00000 |
| 33/64" | 0.515" | 4.81" | Round | 1/2" | Standard | Steel, Iron, Stainless Steel, Aluminum, Copper, Brass, Bronze, Fiberglass, Plastic, Wood | 0000000 | 00000 |
Black-Oxide Carbide-Tipped Steel | ||||||||
| 21/64" | 0.328" | 4" | Round | 5/16" | Standard | Masonry, Concrete, Wood | 0000000 | 00000 |
| 7/16" | 0.438" | 4" | Round | 3/8" | Standard | Masonry, Concrete, Wood | 0000000 | 00000 |
| 9/16" | 0.563" | 4" | Round | 1/2" | Standard | Masonry, Concrete, Wood | 0000000 | 00000 |