Place of Origin: Jiangsu, China (Mainland) Brand Name: ALEX Model Number: KSRN Standard: GB Name: Train Parts Nylon Lock Nut Dimention: diameter M16-M40 or according to the Train Parts Nylon Lock Nut dwg. Material: steel 45# Grade: grade 5 / grade 8 Surface: Plain Oiled, Oxygen Black, Zinc Plated, Hot Dip Galvanized Packing: 200-500 pcs per double layer woven bag in free fumigation pallet Processing: hot forging Supply Ability: 300,000 pcs per day Certification: ISO9001-2008 Payment Terms: TT 30% in advance