... nut 5.Standard: JIS, BS, DIN, Product name: aluminum machined tube Related Products: Fastener screw, hardwere screw, ball screw, hex screwbolt ... cap,High strength boltsSpecification:1) Meterials: carbon steel, stainless steel, metal, brass, copper, zinc alloy, cold rolled steel with various plating ... product, pls feel free to contact us. CNC aluminum machined tube