... : DIN931, DIN933, DIN960, DIN961, DIN962 Metric Bolt Features:1) Specs: DIN931, DIN933, DIN960, DIN961, DIN9622) Diameter: ... has five forging production flowing(300T-1000T), two aluminum alloy die-casting <280T-1350T>, three accurate casting, three auto trailers hitch ... sprite. Well keep improvine our company and developing our business. metric bolt