The mold core is made in mold steel which is good for heat treatment.The hardness of finished mold core is HRC 58-62.So the mold life can be guaranteed.The small diameter dimension tolerance is 0.002 and the roughness is 0.8.The high precision is designed for stopping the plastic from leakage out of the mold.
Hot Tags: Mold core, Manufacturers, Suppliers, Buy, Factory, China, Made in China, Cheap, Low Price, Quality, Latest Selling