1.Good quality&competitive price 2.TS16949&IS9001 3.Size:M3-M40 4.Length:5mm-350mm 5:Mechanical strength: 4.8-12.9 grade Grade 12.9 wheel stud bolt with black plating Features:1.Size:As you requirement2.).Applicable For Benze3.)Standard:DIN, ANSI,JIS,BS,GB,ISO,etc.4.)Finish:black,zinc plated,dacromet,etc5.)Material:45#,40CR,35CrMo,35#Remark:1.we can maufacture various bolt you need if you can ...