1.Standard: DIN, ASTM,JIS,BS,AS,ISO,GB, Nonstandard bolt(according to your order),etc.
2.Material: Carbon steel, stainless steel
3.Grade: DIN:4.8-12.9: SAE GR.A-GR.8
4.Finish: Zinc plated, HDG, Black, PLN
5.Size: M4-M100