tough Rose color Roux width across flats in hexagonal nut is legal shoulder From
Steel Hex Nut, Zinc Plated Finish, Class 6, DIN 934, Metric, M2.5-0.45 Thread Size, 5 mm Width Across Flats, 2 mm Thick (Pack of 100) : Amazon.ca: Tools & Home Improvement
Hex Nuts DIN 934 / ISO4032 / IS 1364 - Fasteners - Fastener Manufacturer in India
Dimensions Across Flats and Heights of Hex Nuts according to ISO 4032