1.Standard: DIN, ASTM,JIS,BS,AS,ISO,GB, Nonstandard bolt(according to your order),etc.
2.Material: Aluminium, Carbon steel, stainless steel
3.Grade: GR.4.8-12.9
4.Finish: Zinc plated ;black;plain;HDG
5.Size: Φ2.4-Φ6.4