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Drill Bit Size Drill Bit Size |
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Mechanical Finish Mechanical Finish |
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Tolerance Rating Tolerance Rating |
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 | Rod and Disc |
About Tool Steel
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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.
| Dia. | Dia. Tolerance | Drill Bit Size | Lg. | Mechanical Finish | Straightness Tolerance | Each | |
| 2.2mm | -0.0050mm to 0.0000mm | 2.2 mm | 2 1/4" | Precision Ground | 0.001" | 00000000 | 00000 |