... best impact resistance PCD cutte 1 Application of PDC cutter: Used for oil/gas drill bit, rock ... ,1613,1908,1913,1916,1919 etc standards PDC cutter insert, Non-standard as customer's request.3 ... and temperature become more balance, which ensure the cutter has more stable performanceC.Adopted a new type of ... the weld strengthD.Optimized the designation of joint face, which reduced the residual stress