1.Standard: DIN, ASTM,JIS,BS,AS,ISO,GB, Nonstandard bolt(according to your order),etc.
2.Material: Carbon Steel, Stainless Steel
3.Grade: GR.4.8-12.9
4.Finish: Zinc plated ;black;plain;HDG
5.Size: #4,#5,#6,#10,#12,#14,!1/2″,1/4″,5/ 16″,7/16″ (length: 10mm-220mm)