الوصف

Size:**8mm***1mm
Material:steel
Bit body:matrix body and steel body
Packaging: wooden case, fumigation free
Guarantee period: four years

1 Advantage:   Optimized short parabolic profile,suitable for drilling soft to medium soft homogeneous formations. Asymmetrical evolute spiral blade cutter placement makes the bit more stable during drilling. Prlmary and secondary cutting structure extends bit life. CFD hydraulic blance design results in nbetter bit cleanding1 and cutting removal. Combined utilization of high performance PDC compacts significantly prolongs bit life.