Duplex UNS S32750 Hex bolts M20 X 85, 550 pcs. M16 X 70, 600 pcs. Hex nuts M20, 550 pcs. M16, 600 pcs. Flat washers M20 X 37 X 3.0, 1100 pcs. M16 X 30 X 3.0, 1200 pcs.