UNI 5739 Hexagon head screws fully threaded AISI 310 M16x100, 300 pcs. M14x50, 300 pcs. M14x70, 300 pcs. M16x75, 500 pcs. UNI 6592 Flat washers AISI 310 M15x28 500 pcs. UNI 5587 Heavy hexagon nuts H≈D M15x28 M14 400 pcs.