System of Measurement System of Measurement |
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Maximum Drilling Depth Maximum Drilling Depth | Show |
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Maximum Drilling Depth Maximum Drilling Depth | Hide |
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Length Class Length Class |
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Extended Length |
Point Style Point Style |
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Standard |
Bit Style Bit Style |
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Spiral Flute | Straight Flute |
Material Material |
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Individual/Set Individual/Set |
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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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For Drilling Type For Drilling Type |
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Flute Direction Flute Direction |
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Right Hand |
Finish Finish |
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Shank Size Shank Size |
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Specifications Met Specifications Met |
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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 | ||||||||||
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Drill Bit 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 | ||||||||||
7/32" | 0.2188" | 22" | 18" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 0000000 | 0000000 |
1/4" | 0.25" | 22" | 18" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
17/64" | 0.2656" | 22" | 18" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
9/32" | 0.2813" | 22" | 18" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
5/16" | 0.3125" | 22" | 18" | Round | 0.7498" | Standard | 1 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
3/8" | 0.375" | 22" | 18" | Round | 0.7498" | Standard | 2 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
13/32" | 0.4063" | 22" | 18" | Round | 0.7498" | Standard | 2 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
1/2" | 0.5" | 22" | 18" | Round | 0.7498" | Standard | 2 | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 000000 |
SDS-Plus-Shank Masonry Drill Bits for Rotary Hammers


The SDS-Plus shank has two deep slots and two shallow slots for use with SDS-Plus-drive rotary hammers. These bits cannot be used with SDS-Max-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 called percussion or impact bits.
For technical drawings and 3-D models, click on a part number.