Tempat asal
Guangdong, China
Material
Stainless steel,carbon steel,aluminum,copper and other.
Surface treatment
plain,Zinc Plated,nickel,plain/etc.
Standard
GB,DIN,BS,ISO,JIS,ANSI,UNC,Nonstandard or your demand
Grade
4.8,6.8,8.8,10.9,12.9
Specification
Various head style and sizes per your request