
Sy8 Tungsten Carbide Steel Teeth Petroleum Diamond Roller Bits. Premium Tungsten Carbide Teeth: Enhanced wear-resistance with hardfacing on tooth surfaces for steel tooth bits. Multiple Gauge Protection: Features gauge trimmers, inserts, and hardfacing to increase gauge holding capacity. Advanced Bearing Structure: High precision journal bearings with thrust faces, balls, and friction-reducing alloy. Metal Seal Package: Two metal seals with elastic energizers ensure reliability and durability in drilling. Customizable for Rock Formations: Different drill bits can be customized according to specific rock formation requirements. ISO & SGS Certified: Manufactured with advanced technology, equipment, and international standards certification. Fast Delivery: Prepared to deliver within 1 week if in stock, depending on order quantity. Free Samples Available: Some samples can be provided free of charge upon request.