
About High Speed Steel Taps and Drill Bits You Need to Know
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High speed steel(HSS) is a kind of high alloy steel containing many carbons (C), tungsten (W), molybdenum (Mo), chromium (Cr), vanadium (V), and other elements. When the cutting temperature is up to 600℃ above, the hardness is still not significantly decreased.

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The main twist drill manufacturing process includes spiral groove processing, heat treatment, sharpening three aspects. Because the heat treatment and subsequent grinding process are basically the same, the main difference is the twist drill part of the work of the forming process.


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