System of Measurement System of Measurement |
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For Use On For Use On |
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Shank Type Shank Type |
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| Round | Threaded Hub |
Length Class Length Class |
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| Short Length |
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| Extended Length |
Point Style Point Style |
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| Split |
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| Standard |
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| Carbide Insert |
Maximum Drilling Depth Maximum Drilling Depth |
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Shank Size Shank Size | Show |
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Shank Size Shank Size | Hide |
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Flute Direction Flute Direction |
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Specifications Met Specifications Met |
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Material Material |
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Finish Finish |
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Bit Style Bit Style |
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 | Spiral Flute |
 | Hollow |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Individual/Set Individual/Set |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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For Insert Inscribed Circle Diameter (IC) For Insert InscribedCircle Diameter (IC) |
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Bit ID Bit ID |
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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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Short-Length Drill Bits
Also known as screw-machine and stub-length bits, these provide maximum rigidity for drilling straighter holes than jobbers'- and maintenance-length drill bits.
Black-oxide drill bits produce less friction than uncoated drill bits.
For technical drawings and 3-D models, click on a part number.
Shank | Each | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Inch | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 1" | 1" | 6" | 2.5" | Round | 1" | Standard | ASME B94.11M | Steel, Iron, Stainless Steel | 00000000 | 000000 |
Extended-Length Drill Bits
Access hard-to-reach spots and drill deep holes.
Black-oxide drill bits produce less friction than uncoated drill bits.
For technical drawings and 3-D models, click on a part number.
Extended-Length Cobalt Steel Drill Bits
Access hard-to-reach spots and drill deep holes. With better heat and wear resistance than high-speed steel, these cobalt steel bits can run up to 25% faster and have a longer tool life. The split point keeps the bit centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Uncoated Cobalt Steel | |||||||||
| 1" | 1" | 11" | 4.37" | Round | 1" | Split | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 00000000 | 0000000 |
Extended-Length Carbide-Tipped Drill Bits
Access hard-to-reach spots and drill deep holes. 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, such as plastic. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill.
For technical drawings and 3-D models, click on a part number.
Shank | |||||||||
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| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Inch | |||||||||
Uncoated Carbide-Tipped Steel | |||||||||
| 1" | 1" | 11" | 4.88" | Round | 1" | Standard | Steel, Iron, Titanium, Aluminum, Brass, Bronze, Plastic | 00000000 | 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.
Adapters let you use your bit on a drilling rig with a different thread size.
Shank | |||||||||||
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| Size | Decimal Size Equivalent | Bit ID | Overall Lg. | Max. Drilling Dp. | Thread Size | Type | Size | Point Style | For Use On | Each | |
Diamond-Coated Steel | |||||||||||
| 1" | 1" | 3/4" | 15 1/2" | 13" | 5/8"-11 | Threaded Hub | 1" | Standard | Masonry, Concrete, Reinforced Concrete, Rebar | 0000000 | 0000000 |
| Overall Lg. | Male Thread Size | Female Thread Size | For Drill Bit Shank Type | Each | |
| 5 3/8" | 5/8"-11 | 1 1/4"-7 | Threaded Hub | 0000000 | 0000000 |
Replaceable Carbide-Insert Drill Bits
Use these bits to drill a large number of holes with high precision. When the cutting edges dull, replace the carbide inserts (sold separately) instead of the entire bit. Each drill bit requires two inserts—one on the inner cutting edge and one on the outer cutting edge. Bits can be used in CNC machines with coolant-through technology; holes in the bit allow coolant to be channeled through the tool for more efficient chip evacuation.
For technical drawings and 3-D models, click on a part number.
Drill Bits | ||||||||||||
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For Insert Inscribed Circle Dia. (IC) | Shank | Replacement Screws | ||||||||||
| Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Inner | Outer | For Use On | Type | Size | Each | Each | ||
Steel | ||||||||||||
| 11/16" | 0.687" | 5" | 2.06" | 0.224" | 0.236" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 0000000 | 0000000 | 00000 |
| 11/16" | 0.687" | 6 3/8" | 3.44" | 0.224" | 0.236" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| 3/4" | 0.75" | 6 1/2" | 2 1/4" | 0.224" | 0.236" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| 3/4" | 0.75" | 6 3/4" | 3 3/4" | 0.224" | 0.236" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| 7/8" | 0.875" | 5 5/8" | 2.63" | 0.268" | 0.295" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| 7/8" | 0.875" | 7 3/8" | 4.38" | 0.268" | 0.295" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| 1" | 1" | 6 1/8" | 3" | 0.331" | 0.350" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| 1" | 1" | 8 1/8" | 5" | 0.331" | 0.350" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1" | 0000000 | 000000 | 0000000 | 0000 |
| For Drill Bit Size | Inscribed Circle Dia. (IC) | Thick. | Hole Dia. | Tip Radius | For Use On | Features | Each | |
Titanium-Aluminum-Nitride (TiAlN) Coated Carbide | ||||||||
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| 11/16", 3/4" | 0.224" | 3/32" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 000000 |
| 7/8" | 0.268" | 1/8" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 00000 |
| 1", 1 1/8" | 0.331" | 1/8" | 1/8" | 1/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 00000 |
| For Drill Bit Size | Inscribed Circle Dia. (IC) | Thick. | Hole Dia. | Tip Radius | For Use On | Features | Each | |
Titanium-Nitride (TiN) Coated Carbide | ||||||||
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| 11/16", 3/4" | 0.236" | 3/32" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 000000 |
| 7/8" | 0.295" | 1/8" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 00000 |
| 1", 1 1/8" | 0.350" | 1/8" | 1/8" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 00000 |