Drive pins use good quality high carbon steel as raw material which meets International standard (AISI 1060-1065) to ensure the products’ quality in high position. drive pins adopted advanced manufacturing process so as to attain the international highest standards for fasteners: ---- Austempered to a core hardness of 53-58 HRC ---- Typical Tensile strength more than 270,000 psi --- Typical Shear Strength more than 162,000 psi drive pins take special point rolling process to stablize the performance of the drive pins. we can make ballistic point and punch point to meet different customers’ requirements. Our Advantages * Rich resources of series products and better solutions * Competitive price directly from factory with high quality * OEM Service * Professional working team and quick response * Small order acceptable