Rock Roller Bit 9 1/2 Inch IADC537 Insert Drill Bit Factory Price for 244mm TCI Bits

1. The high-strength and high-wear-resistant cemented carbide blade is used to improve the strength and wear resistance of the blade. 2. The surface of the high-precision bearing is heat treated with advanced heat treatment technology, which improves the bearing capacity and service life of the bearing. 3. The thrust bearing is made of harder and more wear-resistant materials, which further prolongs the service life of the bearing. 4. This series of oil well drill bits adopts a sealed roller bearing structure. Since the rollers are arranged in the recessed grooves of the cone, the size of the bearing journal is increased. 6. The surface of the thrust bearing is treated with hard surface and anti-friction technology is adopted. 7. The roller cone bit adopts journal bearing. Hard faced bearing surface. The tapered bearings are inlaid with antifriction alloy and then silver plated. The bearing capacity and anti-seizure ability of the bearing are greatly improved.