High Quality Hex Nut Product:1. with ISO9001:2008 certification.2. Description: US-Made Nylon insert lock nuts NE NTE NU NTU3. Size: 1/4”~2”4. Material: carbon steel or according to customer's requirement5. Standard: NE NTE NU NTU6. Grade: class 2~class 87. Finish: Plain, Zinc, Black, H.D.G, phosphating, Dacromet8. Packing: 25kgs/carton, 900kgs/pallet; 20 FT FCL: 20~24 tons