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 ... quantity system certificate in 2001.we have many good items for your choose.if you have any interest in our products ... forward to your enquiry.best regardsChuck DIN985 Nylon Insert Lock Nut,Zinc Plated