Model No.:DIN934 M8 Hex nuts. Material: Carbon steel Surface:Zinc plated, Product Origin: Haiyan County Zhejiang Province China. Payment Terms: T/T L/C. Supply Ability: 500MT/month . Delivery Lead Time: 30 days. Packing: 25kg/carton. Weight of pieces: 4.7g. Package size:260X260X140. 20FT FCL:17-24MT. Certification(s): ISO9001:2000.