API Standard Customer Approved Carbon fast steel drill bit Manufacturer Size 4 5/8inch steel tooth triconebit IADC 127 Bearing Type elastomer sealed bearing Thread Connection 2 7/8 API reg pin WOB(KN/mm) 0.3~0... Read More
API Standard Customer Approved Carbon fast steel drill bit Manufacturer Size 4 5/8inch steel tooth triconebit IADC 127 Bearing Type elastomer sealed bearing Thread Connection 2 7/8 API reg pin WOB(KN/mm) 0.3~0... Read More
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
API Standard Customer Approved Carbon fast steel drill bit Manufacturer Size 15 1/2inch steel tooth tricone bit IADC 127 Bearing Type elastomer sealed bearing Thread Connection 7 5/8 API reg pin WOB(KN/mm) 0.3... Read More
API Standard Customer Approved Carbon fast steel drill bit Manufacturer Size 3 7/8inch steel tooth tricone bit IADC 136 Bearing Type elastomer sealed bearing Thread Connection 2 3/8 API reg pin WOB(KN/mm) 0.3~0... Read More
API Standard Customer Approved Carbon fast steel drill bit Manufacturer Size 3 7/8inch steel tooth tricone bit IADC 136 Bearing Type elastomer sealed bearing Thread Connection 2 3/8 API reg pin WOB(KN/mm) 0.3~0... Read More
