System of Measurement System of Measurement |
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Decimal Size Equivalent Decimal Size Equivalent |
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Drill Bit Size Drill Bit Size | Show |
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Drill Bit Size Drill Bit Size | Hide |
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For Use On For Use On |
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Material Material |
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Point Style Point Style |
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| Split |
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| Four Facet |
Shank Type Shank Type |
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Length Class Length Class |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Bit Style Bit Style |
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Flute Direction Flute Direction |
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Individual/Set Individual/Set |
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Shape Shape |
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Mechanical Finish Mechanical Finish |
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About Tool Steel
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications.
Black-oxide and black-and-gold-oxide drill bits produce less friction than uncoated drill bits.
Shank | Each | |||||||||
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Black-Oxide High-Speed Steel | ||||||||||
| 1.35 mm | 0.0531" | 40mm | 15.3mm | Round | 1.4mm | Standard | DIN 338 | Steel, Iron, Stainless Steel | 000000 | 00000 |
Black-and-Gold Oxide High-Speed Steel | ||||||||||
| 1.35 mm | 0.0531" | 48mm | 19mm | Round | 1.4mm | Standard | NAS907 Type B | Steel, Iron, Stainless Steel | 000000000 | 0000 |
Uncoated High-Speed Steel | ||||||||||
| 1.35 mm | 0.0531" | 48mm | 22.2mm | Round | 1.4mm | Standard | __ | Steel, Iron, Stainless Steel, Aluminum, Bronze, Plastic | 00000000 | 0000 |
Cobalt Steel Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications. Made of cobalt steel, which has better heat and wear resistance than high-speed steel, they can run up to 25% faster and have a longer tool life.
Titanium-nitride (TiN) coated drill bits last longer and can drill at higher speeds than uncoated drill bits.
Gold-oxide drill bits produce less friction than uncoated drill bits.
Drill bits with a split point keep centered without a pilot hole.
For technical drawings and 3-D models, click on a part number.
Shank | Each | |||||||||
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | Specifications Met | For Use On | Each | |
Metric | ||||||||||
Titanium-Nitride (TiN) Coated Cobalt Steel | ||||||||||
| 1.35 mm | 0.0531" | 40mm | 18mm | Round | 1.35mm | Split | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 00000000 | 00000 |
Gold-Oxide Cobalt Steel | ||||||||||
| 1.35 mm | 0.0531" | 40mm | 15.3mm | Round | 1.4mm | Split | NAS907 Type J | Steel, Hardened Steel, Iron, Stainless Steel, Nickel | 00000000 | 0000 |
Carbide Drill Bits
These jobbers'-length bits have the rigidity and length required for most applications. Made of solid carbide for the highest accuracy and longest tool life, they 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. The four-facet point keeps the bit centered without a pilot hole. These bits require rigid toolholding to prevent breakage and should not be used in hand-held drilling applications.
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 | For Use On | Each | |
Metric | |||||||||
Uncoated Carbide | |||||||||
| 1.35 mm | 0.0531" | 40mm | 18mm | Round | 1.35mm | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 0000000 | 000000 |
Quick-Change Carbide Drill Bits
Make fast bit changes—all of these bits have the same shank diameter, eliminating the need for different collets to hold each size. Made of solid carbide for the highest accuracy and longest tool life, they 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 handheld 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.
Titanium-aluminum-nitride (TiAlN) coated drill bits are the most wear and temperature resistant for the longest life and highest drilling speeds.
Shank | |||||||||
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| Drill Bit Size | Decimal Size Equivalent | Overall Lg. | Max. Drilling Dp. | Type | Size | Point Style | For Use On | Each | |
Metric | |||||||||
Uncoated Carbide | |||||||||
| 1.35 mm | 0.0531" | 38mm | 10.1mm | Round | 3.175mm | Four Facet | Steel, Iron, Stainless Steel, Aluminum, Brass, Bronze, Plastic | 00000000 | 00000 |
Titanium-Nitride (TiN) Coated Carbide | |||||||||
| 1.35 mm | 0.0531" | 38mm | 7.6mm | Round | 3.175mm | Four Facet | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel, Titanium, Fiberglass | 00000000 | 00000 |
Hardened Undersized High-Speed M2 Tool Steel Rods
- Yield Strength: Not Rated
- Hardness: Rockwell C60 (Very Hard)
These rods, also known as drill blanks, have an undersized diameter for machining your own jobbers'-length drill bits. They're hardened for increased abrasion and impact resistance. M2 tool steel offers a nice balance of wear resistance and machinability. It has a high molybdenum content, which allows it to maintain sharp cutting edges even at elevated temperatures.
For technical drawings and 3-D models, click on a part number.
Certificates with a traceable lot number are available for these products. Download certificates from ORDER HISTORY after your order ships.
| Dia. | Dia. Tolerance | Drill Bit Size | Lg. | Mechanical Finish | Straightness Tolerance | Each | |
| 1.35mm | -0.0050mm to 0.0000mm | 1.35 mm | 1 7/8" | Precision Ground | 0.012" per ft. | 00000000 | 00000 |