Lugar de origem
Zhejiang, China
Padrão
DIN GB ISO JIS BA ANSI
Material
Carbon Steel/Stainless Steel
Surface Treatment
Black oxide,zinc plating,nickel plating
Certification
ISO9001, CTI, ROHS
Packing
Plastic Bag And Carton
Grade
4.8/6.8/8.8/10.9/12.9 or request