... ,GR9 2.color:Ti natural,Gold,Blue,Purple,Green 3.M2~ M64*L 4.DIN912/933/7991/7984/6921,ISO7380 Titanium ... ,933,7991,7984,6921,ISO 7380,JIS,BS etc.SpecificationBolt: M2.5--M64*L6—300mm (or as your inquired )Nut ... : M2.5--M64Washer: M2.5--M64Surface TreatmentPolishing, Anodizing, Black oxideFeatureslight weight, acid and alkali ...