Zhengzuan is specialized in R&D and manufacturing technology of PCD and PCBN cutting tools since 1997. And also provides quality products and technical solutions through the standard and non- standard production line.
The impact of Zhengzuan brand not only lies in the creation of cutting value, but also from the continuous efforts and investment for promotion of Zhengzuan brand super hard cutting tools.
Drilling and reaming and countersinking tool（RDC301）
Drilling and reaming and countersinking hole
Usable range:rivet hole and bolt hole on CFRP and mental laminate
Drilling hole and countersinking dimple are completed once ,which save time of withdrawing tool 、exchange tool and tool transposition while guaranteeing good concentricity ；
Polishing edge band can have burnishing effect on hole wall,accuracy of hole can reach IT8~IT7 level
concentricity of drilling hole and countersinking hole can reach 0.003,edge of tool run out can reach 0.005；
With chip breaker groove design on section of countersinking edge ,which can avoid swarf winding tool and cause to lose efficacy in advance ；
connecting shank is suitable for MQL；