1.Commodity name: Hexagonal bolt or hex bolt 2.Standard: Din931, din933, din960, din961, din 609, iso4014, 4017, 8676 3.Material: Carbon steel, alloy steel, stainless steel 4.Grade: 4.8/8.8/10.9/12.9 5.Surface finish: Plain, black, zinc plated 6.Size: M6-m100, 1/4"-4" 7.Supply ability: 500t/month 8.Certificate: Iso9001:2008; 9.Packing: By carbon and pallet or according to client requirement 10. Place of origin: Hebei, china For the standard as customer's needs
