Metric 304 Stainless Steel Lock Nut (Thin Nuts)
304 Stainless Steel
Various sizes:
M10- Width Across Flats: 17 mm
M12- Width Across Flats: 19 mm
M14 - Width Across Flats: 22 mm
M16- Width Across Flats: 24 mm
M20- Width Across Flats: 30 mm
M24- Width Across Flats: 36 mm
DIN 439