Bolt and nut 1.Standard:DIN,UNC,UNF,BS 2. ... .Size:all size 4.Surface treatment:z/p,plain Bolt and nut 1.Standard:DIN,UNC,UNF,BS 2.Material: ... have updated our prices of different types of Bolt,Nuts,Plain washer,Spring washer and other types of Chipboard & Dry wall screw ... ,Stock hex head bolt,Threaded Rods,Hex head wood screw,Carriage bolt and other products which are very competitive ...