Polycrystalline Diamond Compact Drill Bit Nozzle High Temperature Resistance Drill Bit Nozzle Information: 1, 100% raw material grade with high hardness ,anti-corrosion and longer life 2, various specification ... Read More
Custom Made Oil Drilling Bit Nozzle , Durable Rugged Head Thread Nozzle Oil Drilling Bit Nozzle Introduction Tungsten carbide nozzle is made from hot pressing with straight bore and venturi bore type. Tungsten ... Read More