... 558 603 THREAD SIZE:ALL SIZE name of the product: hexagon boltmaterial of the product: carbon steel , stainless steel ,standard of ... plated , black , plain , H.G.Dpacking of the product: bulk , box in carton , woven bag ,Our main products are bolts, screws ... information about our company, you are welcomed to visit us. hexagon bolt DIN933 yellow zinc plated