Standard:Stud Bolt ASTM A193-B7 with Hex Nut A194 2hGrade:3.6, 4.6, 4.8, 5.6, 6.8, 8.8, 9.8, 10.9, 12.9Size:M1.4-M100Surface Treament:Black, Zinc Plated, Zinc(Yellow) Plated,H.D.G. ,Dacromet,etc.Material:Carbon Steel, Alloy Steel, Stainless Steel,etc.Packing:25 kgs perbox, 36 box perpallet, 900 kgs perpalletSample:Sample are FreeBest Competitive Advantages: 1.OEM Accepted 2.Strict quality contral 3.Vary competitive price 4.The shortest delivery 5.Best service 6.Customer's design and logo are welcome