ISO 4032 — Hexagon Regular Nuts (Style 1) — Product Grades A and B
Standard: ISO 4032
ISO 4032 standardizes metric hexagon nuts (style 1) — the everyday hex nut dimensions, widths across flats, and property classes.
What It Covers
- Style 1 hex nuts M1.6–M64
- Width across flats and thickness
- Property classes
- Thread tolerances