Performance：Good formability, low processing stress, good corrosion resistance, etc
Surface：Oxalic acid coating, bright surface, pickling surface, etc
Application：Screws, screws, nuts, bolts, screws, etc
Steel material：201CU、302HQ、XM-7、304HC、304HC3、316L、316LCU、410、420、430
Thread warp(mm)：0.8-20.0
Tensile strength(N/mm)：500-900（MPA）
Warp tolerance(mm)：±0.02
