We are leading manufacturer, supplier and exporter of Brass DIN 934 Hex Nuts , Stainless Steel Nuts , DIN Standard 7168 Hex Bolts , Torque Nuts , DIN Head Nuts , Full Nuts etc. mainly supplying to international markets over the world. d s max. e min. m max. M2 4 4.32 1.6 M3 5.5 6.01 2.4 M4 7 7.66 3.2 M5 8 8.79 4 M6 10 11.05 5 M8 13 14.38 6.5 M10 17 18.9 8 M12 19 21.1 10 M14 22 24.49 11 M16 24 26.75 13 M18 27 29.56 15 M20 30 32.95 16 M22 32 35.03 18 M24 36 39.55 19 Material : Brass to BS 2874 / 2872, c380, cz122, en 12165, cw617n, cw612n, cuzn40pb2 & cuzn39pb2, CZ 121 Pb3 CZ 122 UNS C36000 CDA 360 DZR, CZ 131 CW 614 N EN 12164 BS 2874 - CZ 114 BS 2874 - CZ 115 c377. Threads : ISO Metric, BSW, BA, BSF, UNC, UNF UNEF 2mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm 16mm 20mm 25mm 32mm 1/8" 5/32" 3/16" 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 1" 11/8" 11/4" 11/2" 13/4" 2" M2 M2.5 M3 M4 M5 M6 M8 M10 m12 m16 M20. Finish : Brass natural, Electro-Tinned, Nickel etc.