Carbide Drill Bits
Internal cooling drill
3XD/5XD/8XD
TiAIN-Complicated Coating, Hot red hardness,high speed of cutting and excellent wear resistance.
External cooling drill
3XD/5XD/8XD
Solid carbide drills with tolerance M7, hole tolerance is H9, even up to H8.
Non-Standard Drill Bits
3XD/5XD/8XD
ZHY offers some of the industry’s carbide brill bits and a comprehensive lineup to provide solutions for every drilling application.
