Point Style Point Style |
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Standard |
For Use On For Use On |
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System of Measurement System of Measurement |
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Finish Finish |
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Material Material |
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Length Class Length Class |
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![]() | Jobbers' Length |
Flute Direction Flute Direction |
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Right Hand |
Shank Type Shank Type |
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![]() | Round |
Point Angle Point Angle |
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Maximum Drilling Depth Maximum Drilling Depth |
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Bit Style Bit Style |
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![]() | Parabolic Spiral Flute |
Overall Length Overall Length | Show |
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Overall Length Overall Length | Hide |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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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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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Chip-Clearing Carbide Drill Bits


The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow. For the highest accuracy and longest tool life, these solid-carbide bits are harder, stronger, and more wear resistant than high-speed steel, cobalt steel, and carbide-tipped bits. They retain a sharp, hard edge at high temperatures for the best performance on hard and abrasive material. These bits require rigid toolholding to prevent breakage and should not be used in hand-held drilling. All are jobbers’ length so they have the rigidity and length required for most applications.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
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—Parabolic Spiral Flute | |||||||||
Uncoated Carbide | |||||||||
9/64" | 0.1406" | 2 29/32" | 1.56" | Round | 9/64" | Standard | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Titanium-Nitride (TiN) Coated Carbide | |||||||||
9/64" | 0.1406" | 2 29/32" | 1.56" | Round | 9/64" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 00000 |
Wire Gauge—Parabolic Spiral Flute | |||||||||
Uncoated Carbide | |||||||||
29 ga | 0.136" | 2 29/32" | 1.56" | Round | 0.1358" | Standard | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 0000000 | 00000 |
28 ga | 0.1405" | 2 29/32" | 1.56" | Round | 0.1406" | Standard | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
Titanium-Nitride (TiN) Coated Carbide | |||||||||
29 ga | 0.136" | 2 29/32" | 1.56" | Round | 0.1358" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 0000000 | 00000 |
28 ga | 0.1405" | 2 29/32" | 1.56" | Round | 0.1406" | Standard | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 00000000 | 00000 |