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Drill Bit Materials: HSS vs Cobalt vs Carbide (Overview)
This page provides standardized, specification-oriented reference information.
Specifications
| Specification | Value |
|---|---|
| HSS (High-Speed Steel) | General-purpose; good for wood/plastics and many mild steels (varies by alloy). |
| Cobalt (e.g., M35/M42) | HSS alloy with added cobalt; often better for higher-heat drilling and tougher steels. |
| Carbide | Very hard and wear-resistant; typically used for abrasive materials; more brittle and requires rigid setup. |
Availability
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Sources
- Manufacturer documentation
- General woodworking/drilling references
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