DIN985 Nylon Insert Lock Nut Finish:zinc plated,black,hot dip galvanizing Grade:4 , 8 Packing:25kgs/ ... 1996 and specializes in manufacturing and trading a wide range of Fastener,such as bolt,nut,washer,screw,anchor,etc...and ... to your enquiry.best regardsChuck DIN985 Nylon Insert Lock Nut,Zinc Plated