High Performance Hex Head Nuts Powder Coating Surface Treatment For Machine

Product name: Hex nuts Size: M6-M48 Surface treatment: black coating, electroplate, painting, phosphatizing Galvanizing technique: Thread : full , half, coarse thread, fin pitch thread, Pitch: MF/UNC/UNF/UNEF Grade: 4.8；6.8；8.8; 10.9; Standard : DIN/GB/EN/ASME Material : steel C45, Q235, C20; Alloy steel: SCM435, 20Mn TiB , 35CrMo, 42CrMo Product pictures: Our services: 1. Good after-sales service. Any small problem happening will be solved at the most prompt time; 2. Many