API Standard Customer Approved Carbon fast steel drill bit Manufacturer Size 16inch steel tooth tricone bit IADC 127 Bearing Type elastomer sealed bearing Thread Connection 7 5/8 API reg pin WOB(KN/mm) 0.3~0.85 ... Read More
Hole opener bit for 1200mm We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Read More
Model TCI Tricone drill bit IADC Code 517 Available size 7 1/2INCH Thread Connection 4 1/2REG Material 15CrNi4Mo WOB(KN/MM) 0.70~1.20 RPM(r/min) 70~40 Advantage Most favorable price and best quality Bearing ... Read More
Hole opener bit for 1200mm We(Chuanda ) can design all the rock reamers (Hole openers ) for both horizontal directional drilling and vertical drilling as your special request,for example center shaft length, ... Read More