Ultra grain carbide rods with better abrasion resistance. SICO coating with anti-high temperature & anti-oxidation. The tools with large core diameter has good rigidity. Negative rake angle design is suitable for machining hardened material. 7KHVSHFLDOGHVLJQRIPXOWLSOHÀXWHVSURYLGHH[FHOOHQWVXUIDFH¿QLVKLQJ We also provide NACO coating.