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Customized support: OEM Treatment: Overall fine heat treatment Material: High quality standard YG8C carbide tip Body material: Fine #40 Cr material body Material: Tip, high quality YG8C carbide tip; body, fine #40 Cr Sizes available: dia from 3-40mm; length from 50-650mm Manufacturing process: milled Flute types available: R type, U type, L type, double flutes type etc