M8 ; thread pitch 1.25mm, spanner size 13mm. M12 ; thread pitch 1.75mm, spanner size 19mm. M10 ; thread pitch 1.5mm, spanner size 17mm. M4 ; thread pitch 0.7mm, spanner size 7mm. M6 ; thread pitch 1.0mm, spanner size 10mm.
M8 (8mm) HEX SOCKET CAP, COUNTERSUNK BUTTON DOME ALLEN BLACK BOLTS SCREWS + NUTS
SOLID BRASS DOME NUTS HEXAGON DOME NUT FOR METRIC SCREWS M4 M5 M6 M8 M10 M12
WHITE PLASTIC HEX FULL NUTS NYLON HEXAGON NUTS M4 M5 M6 M8 M10 M12 M16
M4 Bolts Nuts and 2 Washers SETS. Pan Bolts with Nylock/ Nylon Locking Nuts
NYLOC NYLOCK NYLON LOCK NUTS M3 M4 M5 M6 M8 M10 M12 A4 MARINE STAINLESS STEEL
UNF DOME NUTS A2 STAINLESS STEEL HEX ACORN 10 1/4" 5/16" 3/8" 1/2" 5/8" 1/2"