DIN985 Nylon Insert Lock Nut Finish:zinc plated,black,hot dip galvanizing Grade:4 , 8 ... and trading a wide range of Fastener,such as bolt,nut,washer,screw,anchor,etc...and we have many years experience ... ,surface treatment,quantity,packing requirement,price requirement(FOB,C&F or CIF) and Destination Port, and then i can offer ... to your enquiry.best regardsChuck DIN985 Nylon Insert Lock Nut,Zinc Plated