1.the head of tungsten carbide tip is fired by vacuum
2.the product has passed ISO9000/2000
3.round shank BETEK cutter bits

               Ruizuan"brand rotary bits can be suitable for Bauer,Cat,Sany,Yutong,Foton Lovol and Zoomlion machines.We use high grade alloy steel and tungsten carbide tip and adopt advanced brazing technology to produce high quality,high wear resistance,long life cutters.We also can produce all kinds of rotary bits,trenching bits,diaphragam wall cutters,big diameter bushing bits and flat bits according to customers' requirements.Welcome friends both home and abroad contact us.

1.Ours  rotary bits can be suitable for Bauer,Cat,Sany,Yutong,Foton Lovol and Zoomlion machines.

2.We use high grade alloy steel and tungsten carbide tip and adopt advanced brazing technology to produce high quality,high wear resistance,long life cutters. The material of the steel body adopt the 42CrMo.The tungsten carbide tip adopt YG11C and YG13C.

3.We also can design all kinds of rotary bits,trenching bits,diaphragam wall cutters,big diameter bushing bits and flat bits according to customers' requirements and geological conditions.

4.We can supply the following bits and holder:B47K-22H,5030-22H,3060-22H,B47K-19H,DS-01H,C31,BFZ80,B85/2,B43H,BHR73,BFZ72,BFZ65,BFZ70,WS39,WS20,BA24,BA04,B43K,BFZ1,BFZ3 etc.