... ,916,931,933,7991,7984,6921,ISO 7380,JIS,BS etc.SpecificationScrew: M2.5--M64*L6—300mm (or as ... weight, acid and alkali resistance, anti-corrosion, excellent mechanical strength etc.ApplicationsEquipment accessories: airplane, ship, bicycle, motorcycle, auto, medical, ... chemical, wheel, sports, anchor, weapon, etc.We can supply you with full kinds of fasteners, and ...