
High Precision Customized AISI302/304/316/420c/430/440c Stainless Steel Ball for Bearing/Grinding/Auto Parts/Valve. Multiple Material Options: Available in AISI302, 304, 316, 420c, 430, and 440c stainless steel grades. Custom Hardness: Standard HRC25-39 with special hardness available per customer requirement. Full Customization: Supports customization from samples, designs, and full minor customization options. ISO 9001:2015 Certified: Manufacturing process certified for quality management and product consistency. RoHS Compliant: Products meet RoHS safety standards for environmental protection. 100% Finished Inspection: Every product undergoes visual and functional inspection before shipment. Traceable Raw Materials: Full traceability system ensures quality control from raw material to finished product. Free Samples Available: Complimentary samples provided for customer evaluation and testing.