1.Standard: DIN, ASTM,JIS,BS,AS,ISO,GB, Nonstandard bolt(according to your order),etc.
2.Material: Zinc alloy,carbon steel
3.Grade: DIN:4.8-12.9: SAE GR.A-GR.8
4.Finish: Plain;zinc plated
5.Size: M13x32,M13x42,M14x28,M14x32,M14 x38,M14x42