resize,m fill,w 990,h 700# - The function of heat treatment for Cutting Tools

The 7-features of twist drill bit you need to know

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Knowing twist drill bit's geometry features and function help you choose right drill bit
resize,m fill,w 990,h 800# - The function of heat treatment for Cutting Tools

The function of heat treatment for Cutting Tools

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Heat treatment: one of the most important factors for cutting tools performance