M10 & M12 J.I.S Plain Flanged Zinc Plated Fine Pitch Nuts (2,4 or 10)
M12 Kawasaki equivalent part number 92015-1156. M10 Kawasaki equivalent part number 92015-1415. These nuts are J.I.S (Japanese Industrial Standard). Grade 8.8 Steel. M10-14mm A/F Flange DIA 18mm - Nut Height 8.96mm.