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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Shank Size Shank Size |
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Shank Type Shank Type |
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 | Round |
Material Material |
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Length Class Length Class |
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 | Jobbers' Length |
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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Bit Style Bit Style |
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 | Parabolic Spiral Flute |
Flute Direction Flute Direction |
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| Right Hand |
Individual/Set Individual/Set |
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Maximum Drilling Depth Maximum Drilling Depth |
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Point Angle Point Angle |
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Specifications Met Specifications Met |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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Finish Finish |
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Point Style Point Style |
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| Split |
Tolerance Rating Tolerance Rating |
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Shape Shape |
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 | Rod and Disc |
About Tool Steel
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Drill Bit Decimal Size Equivalents
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About Drill Bits
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Chip-Clearing Cobalt Steel Drill Bits
The parabolic spiral flutes lift chips out of the hole, reducing clogging and improving coolant flow. 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. All are jobbers’ length so they have the rigidity and length required for most applications. A split point keeps the bit centered without a pilot hole.
Shank | ||||||||||
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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—Parabolic Spiral Flute | ||||||||||
Uncoated Cobalt Steel | ||||||||||
| 10.6 mm | 0.4173" | 133mm | 87mm | Round | 10.6mm | Split | DIN 338 | Steel, Hardened Steel, Tool Steel, Iron, Stainless Steel, Nickel | 00000000 | 000000 |
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 | |
| 10.6mm | -0.0050mm to 0.0000mm | 10.6 mm | 5 3/8" | Precision Ground | 0.012" per ft. | 00000000 | 000000 |