1.Quick details: Place of origin: handan, china (mainland) Brand name:dashan Model number: din/ansi/amse/iso Standard: din/ansi/amse/iso Material: carbon steel Size: 1/4"-3/4" m5-m20 Length: 1/2"-12" 12mm-300mm Grade: 2/ 5/ 8 ect Finish: zinc, hdg Surface treatment: electric galvanized, hot dip galvanized Color: silver white/yelllow Packing: carton Package: small packing Certificate: iso9001 High quality zinc/hdg/ stainless steel u bolt 1) various kinds of bolts available 2) can be made with different tensile strength, such as class 4.6, 4.8, 5.6, 5.8, 6.8, 8.8, 10.9 and 12.9, inperial grade 2, 5, 8 and 10 3) can be supplied with different finish, such as bright, zinc plated, hot-dip galvanized, mechanical plating, black 4) can be made with different standards, such as iso, din, as/nzs, gb, ansi, bs and special standard according to the drawing 2.Contact me We highly appreciate your any enquiry by email, fax or instant message. Yanpu wu will offer you the best service! According to customer requirements