Fastener, Auto and Motorcycle Accessory
GB, EN, API650, China GB Code, JIS Code, TEMA, ASME, ASTM, Ifi, as, ISO, etc.
Zp/Bzp/Plain/Black/HDG/Dacr*Met/Ge*Met, etc.
Steel, Brass, Copper, Aluminum, Carbon Steel, Stainless Steel, Alloy, etc.
M6-M68
Black/B.Z.P./Y.Z.P./Plain/Dacromet/Geomet