3 blades/wings step drag bits Drag bit are manufactured from forged high quality alloy steel and PDC cutter insert, plus state of art welding technology and multiple precision heat treatment to provide highest ... 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
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
