Size
Available to customers.
Material
Carbon steel, alloy steel, copper, etc.
Surface Treatment
Trivalent zinc, nickel, silver plating, etc.
Grade
4.8,5.6,6.8,8.8,10.9,12.9
Certificate
ISO900:2008,ISO14001:2004
Advantage
OEM / ODM / customized service provided
Standard
ISO,GB,DIN,BS,ANSI,JIS,Nonstandard