Nut: hex
ISO 4032
ISO 4032 - Hexagon regular nuts (style 1), product grades A and B
Hexagon regular nuts, style 1, product grade A for threads up to and including M16 and product grade B above. Current replacement for DIN 934, with revised widths across flats on M10, M12, M14 and M22 and greater heights on most sizes. Covers metric coarse pitch only; the fine pitch counterpart is ISO 8673.
| Product | Thread diameter, mm | Thread pitch, mm | Threads per inch | Thread type | Width across flats, mm | Height, mm | Width across corners, mm | Chamfer 1 | Chamfer 2 |
|---|---|---|---|---|---|---|---|---|---|
| ISO 4032 nut M1.6 | 1.6 | 0.35 | — | M | 3.2 | 1.3 | 3.41 | a30 | a30 |
| ISO 4032 nut M2 | 2 | 0.4 | — | M | 4 | 1.6 | 4.32 | a30 | a30 |
| ISO 4032 nut M2.5 | 2.5 | 0.45 | — | M | 5 | 2 | 5.45 | a30 | a30 |
| ISO 4032 nut M3 | 3 | 0.5 | — | M | 5.5 | 2.4 | 6.01 | a30 | a30 |
| ISO 4032 nut M3.5 | 3.5 | 0.6 | — | M | 6 | 2.8 | 6.58 | a30 | a30 |
| ISO 4032 nut M4 | 4 | 0.7 | — | M | 7 | 3.2 | 7.66 | a30 | a30 |
| ISO 4032 nut M5 | 5 | 0.8 | — | M | 8 | 4.7 | 8.79 | a30 | a30 |
| ISO 4032 nut M6 | 6 | 1 | — | M | 10 | 5.2 | 11.05 | a30 | a30 |
| ISO 4032 nut M8 | 8 | 1.25 | — | M | 13 | 6.8 | 14.38 | a30 | a30 |
| ISO 4032 nut M10 | 10 | 1.5 | — | M | 16 | 8.4 | 17.77 | a30 | a30 |
| ISO 4032 nut M12 | 12 | 1.75 | — | M | 18 | 10.8 | 20.03 | a30 | a30 |
| ISO 4032 nut M14 | 14 | 2 | — | M | 21 | 12.8 | 23.36 | a30 | a30 |
| ISO 4032 nut M16 | 16 | 2 | — | M | 24 | 14.8 | 26.75 | a30 | a30 |
| ISO 4032 nut M18 | 18 | 2.5 | — | M | 27 | 15.8 | 29.56 | a30 | a30 |
| ISO 4032 nut M20 | 20 | 2.5 | — | M | 30 | 18 | 32.95 | a30 | a30 |
| ISO 4032 nut M22 | 22 | 2.5 | — | M | 34 | 19.4 | 37.29 | a30 | a30 |
| ISO 4032 nut M24 | 24 | 3 | — | M | 36 | 21.5 | 39.55 | a30 | a30 |
| ISO 4032 nut M27 | 27 | 3 | — | M | 41 | 23.8 | 45.2 | a30 | a30 |
| ISO 4032 nut M30 | 30 | 3.5 | — | M | 46 | 25.6 | 50.85 | a30 | a30 |
| ISO 4032 nut M33 | 33 | 3.5 | — | M | 50 | 28.7 | 55.37 | a30 | a30 |
| ISO 4032 nut M36 | 36 | 4 | — | M | 55 | 31 | 60.79 | a30 | a30 |
| ISO 4032 nut M39 | 39 | 4 | — | M | 60 | 33.4 | 66.44 | a30 | a30 |
| ISO 4032 nut M42 | 42 | 4.5 | — | M | 65 | 34 | 71.3 | a30 | a30 |
| ISO 4032 nut M45 | 45 | 4.5 | — | M | 70 | 36 | 76.95 | a30 | a30 |
| ISO 4032 nut M48 | 48 | 5 | — | M | 75 | 38 | 82.6 | a30 | a30 |
| ISO 4032 nut M52 | 52 | 5 | — | M | 80 | 42 | 88.25 | a30 | a30 |
| ISO 4032 nut M56 | 56 | 5.5 | — | M | 85 | 45 | 93.56 | a30 | a30 |
| ISO 4032 nut M60 | 60 | 5.5 | — | M | 90 | 48 | 99.21 | a30 | a30 |
| ISO 4032 nut M64 | 64 | 6 | — | M | 95 | 51 | 104.86 | a30 | a30 |