Product Name: Square Head Partial Bolts High Strength 4.8-12.9 Grade Fastener Model NO.: sqaure bolts Finish: Blue-White Zinc Plated Application: Machinery, Chemical Industry, Environmental, Building Grade: 10.9 Standard: DIN, ANSI, GB, JIS, GOST Head Style: Square Connection: Common Bolt Type: Square Head Material: Carbon Steel Trademark: custom label Transport Package: Standard Packaging Specification: M3-M30 Origin: Shanghai China HS Code: 7318150000 Product Description M3 M5 M6 -M30 Size for 10MM 12MM 25MM 35MM 45MM 55MM 65MM 75MM-90MM LengthSpecial bolts;Customized by your drawing requirements with CU brass coating ,nickel coating,zinc coating Black etc;Material as Carbon steel 4.8 gr 8.8gr 12.9gr,Stainless steel 304 316,Brass,Aluminum5052 6063 etc;Application:Kitchen, Bedroom and Bathroom cabinet Door Handles/ Knobs ,machine,constructions industry.Shanghai kinsom precision hardware co,.ltdTo face the challenges of world manufacturing market ,we still make sure our quality and service to maintain satisfaction of customers'.Kinsom Helps customers Improve Quality, Achieve Faster and more Secure Delivery, Reduce Total Cost.If you are looking for the customized parts,you turn to us.How we do:Quality control managementLogistics and PackagingCustom labels and logoWe are serious about service,and our service never ends.Please Email or Call us Today,we will glad to get your inquiry or any questions about Fasteners.Welcome to visit us:Professional inspection machine to insure the quality:Professional cold forging and threading machine to get the right fasteners:.