Product Name: DIN976 B7 Stud Bolt Round Rod Bar Stm A193 Grade B7 Stud Bolts Finish: Blue-White Zinc Plated Application: Machinery, Chemical Industry, Building Grade: 4.8/6.8/8.8/10.9/12.9 Standard: DIN, ANSI, GB, JIS, BSW, GOST Head Style: Round Connection: Common Bolt Type: Round Head Material: Carbon Steel Port: Shanghai,Ningbo,Zhapu Payment: T/T,L/C Delivery Time: 30-60days Trademark: QIMU Transport Package: Packing First by Plastic Bags Then by Pallet. Specification: M3-M64 Origin: China Product Description Grade4.8,5.8,6.8,8.8,10.9,12.9.etc2,5,8,B7,B7M,L7,L7M.etcRaw MaterialCarbon Steel,Alloy Steel,Stainless Steel,Brass.SizeM3-M64,(8#-2.5'')Surface TreatmentPlain,Zinc Plate,Yellow Zinc Plate,Hot Dip Galvanizing,Blackening,Magni,Dacromet.etcStandardDIN,ASTM,ISO,JIS,BS,AS,GB.(according to your order).