We are Xuanyu new building material co.,ltd based in Handan, China. We are member of TradeKey.com since October, 2012. Our business is related to Hardware & Mechanical Parts industry and we specifically deal in Fasteners, bolts, screws, nuts, washers. Please find our product details below: HEX BOLTS 1. Name: DIN933 Zinc Plated Hex Bolt 2. Material: Carbon Steel, Alloy Steel 3. Grade: Grade4.8, 6.8, 8.8, 10.9, 12.9 hex nut, hex screw hex nuts DIN934 1.Size:M3-M48 2.Material:Carbon Steel, Stainless steel 3.Finish:Plain, Zinc plated 4.OEM Service Thank you for taking time to go through our business profile. If there are any questions, inquiries or comments, please feel free to contact us.