Hexagon head bolts ISO 4014 10.9 , zinc flake coating flZnnc-480h M10x50 - 20.000pcs or the same item in plain, without surface - 20.000 pcs The item has to be according ISO 4014 ( SW16 ), not according DIN 931 ( SW17 ). Because our customer needs this item very urgently, I would like to ask you for offer of quantity, what is available at stock.