Drill Bit Materials - Thomasnet
2020-6-9 · High-Carbon. High-Speed. Drill bits made from soft, low-carbon steel are fairly cheap. But they tend to lose their edge quickly even when used on softwoods. You can only use soft, low-carbon steel on softwoods as hardwoods tend to dull them quickly. High-carbon variations are certainly more durable and well suited for softwoods, hardwoods, and ...
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