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System of Measurement System of Measurement |
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For Use On For Use On |
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Point Style Point Style |
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| Carbide Insert |
Maximum Drilling Depth Maximum Drilling Depth |
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Shank Type Shank Type |
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| Round | Threaded Hub |
Bit Style Bit Style |
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 | Spiral Flute |
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Material Material |
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Shank Size Shank Size | Show |
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Shank Size Shank Size | Hide |
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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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Flute Direction Flute Direction |
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| Right Hand |
Number of Coolant Holes Number of Coolant Holes |
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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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Point Angle Point Angle |
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Thread Size Thread Size |
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Bit ID Bit ID |
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For Drilling Type For Drilling Type |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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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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.
Inch Drill Bits
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 1/2" | 1.5" | 1 1/4" | 15 1/2" | 13" | 5/8"-11 | Threaded Hub | 1 1/2" | Standard | Masonry, Concrete, Reinforced Concrete, Rebar | 0000000 | 0000000 |
Thread Adapters
| 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.
Inch Drill Bits
Shown with Carbide Inserts (Sold Separately)
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 | ||||||||||||
| 1 1/4" | 1.25" | 7 5/8" | 3 3/4" | 0.402" | 0.419" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 0000000 | 0000000 | 00000 |
| 1 1/4" | 1.25" | 10 1/8" | 6 1/4" | 0.402" | 0.419" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 3/8" | 1.375" | 8" | 4.13" | 0.402" | 0.419" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 3/8" | 1.375" | 10 3/4" | 6.88" | 0.402" | 0.419" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 1/2" | 1.5" | 8 1/2" | 4 1/2" | 0.486" | 0.498" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 1/2" | 1.5" | 11 1/2" | 7 1/2" | 0.486" | 0.498" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 5/8" | 1.625" | 9" | 4.88" | 0.486" | 0.498" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 5/8" | 1.625" | 12 1/4" | 8.13" | 0.486" | 0.498" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 1 3/4" | 1.75" | 9 3/8" | 5 1/4" | 0.585" | 0.608" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 2 1/4" | 2.25" | 11 1/4" | 6 3/4" | 0.705" | 0.732" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 2 1/2" | 2.5" | 12 1/4" | 7 1/2" | 0.705" | 0.732" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
| 2" | 2" | 10 3/8" | 6" | 0.585" | 0.608" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Round | 1 1/2" | 0000000 | 000000 | 0000000 | 0000 |
Inner Inserts
Inner Insert
Inner Insert
| 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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| 1 1/4", 1 3/8" | 0.402" | 1/8" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 000000 |
| 1 1/2", 1 5/8" | 0.486" | 5/32" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 00000 |
| 1 3/4", 2" | 0.585" | 3/16" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 00000 |
| 2 1/4", 2 1/2" | 0.705" | 7/32" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Fiberglass, Plastic | Chip Breakers | 0000000 | 00000 |
Outer Inserts
Outer Insert
Outer Insert
| 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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| 1 1/4", 1 3/8" | 0.419" | 1/8" | 3/16" | 1/32" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 000000 |
| 1 1/2", 1 5/8" | 0.498" | 5/32" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 00000 |
| 1 3/4", 2" | 0.608" | 3/16" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 00000 |
| 2 1/4", 2 1/2" | 0.732" | 7/32" | 3/16" | 3/64" | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Aluminum, Brass, Bronze, Plastic | Chip Breakers | 0000000 | 00000 |