... quality customize nail mould process brass screw nuts Specifications:1. Material Available: Copper, Brass, Aluminum, Stainless Steel, Steel ... alloy, etc.(Material to process: aluminum, stainlesssteel, carbon steel, brass, lucite)2, Usage: auto & motorcycle, mining machinery, building ... , Weight: ranging from 0.50g to 10000kg5, Surface finish: polishing, oiled (rust-prevented), zinc-plated, nickel-plated ...