... -M64*L6—300mmNut: M2-M64Washer: M2-M64SurfaceTreatmentPolishing, Anodizing, Black oxide or Plating colorFeatureslight weight, acid and alkali resistance, anti-corrosion, excellent ... ,Navigation,Smelting,Chemical plants, and so on.Load portShanghai or NingboPacking boxwooden case,or as order.Payment T/T, L/C, Western ...