Hexagonal Flange Nuts Stainless Steel AISI 304N/8N (ASTM A-194M) Internally.Threaded ANSI B18.2.4.4M 1 M12. Pitch : 1.75mm Nos 3300 2 M14. Pitch : 2mm Nos 1100 3 M16. Pitch : 2mm Nos 3700 4 M18. Pitch : 2.5 mm Nos 3800 Please indicate total weight of the shipment for carriage cost work out