Hex nuts
DIN 439-B – Hexagon thin nuts, chamfered
DIN 439-2 (form B, chamfered) · comparable to ISO 4035. Dimensions from the HBS technical datasheet – in stock, with EN 10204 3.1 / 3.2 certificates.
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Abmessungen
DIN 439-B dimension tables.
Dimensions in mm
| Thread d | M1.6 | M1.8 | M2 | M2.5 | M3 | M3.5 | M4 | M5 | M6 | |
|---|---|---|---|---|---|---|---|---|---|---|
| P | – | 0.35 | 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 |
| da | min. | 1.6 | 1.8 | 2 | 2.5 | 3 | 3.5 | 4 | 5 | 6 |
| max. | 1.84 | 2.06 | 2.3 | 2.9 | 3.45 | 4 | 4.6 | 5.75 | 6.75 | |
| dw | min. | 2.4 | 2.7 | 3.1 | 4.1 | 4.6 | 5.1 | 5.9 | 6.9 | 8.9 |
| e | min. | 3.41 | 3.82 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 |
| m | max. | 1 | 1.1 | 1.2 | 1.6 | 1.8 | 2 | 2.2 | 2.7 | 3.2 |
| min. | 0.75 | 0.85 | 0.95 | 1.35 | 1.55 | 1.75 | 1.95 | 2.45 | 2.9 | |
| m′ | min. | 0.6 | 0.68 | 0.76 | 1.06 | 1.24 | 1.4 | 1.56 | 1.96 | 2.32 |
| s | max. | 3.2 | 3.5 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 |
| min. | 3.02 | 3.38 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | |
| Thread d | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
|---|---|---|---|---|---|---|---|---|---|---|
| P | – | 1.25 | 1.5 | 1.75 | 2 | 2 | 2.5 | 2.5 | 2.5 | 3 |
| Fine pitch | – | 1 | 1 · 1.25 | 1.5 · 1.25 | 1.5 | 1.5 | 1.5 · 2 | 2 · 1.5 | 1.5 · 2 | 2 · 1.5 |
| da | min. | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| max. | 8.75 | 10.8 | 13 | 15.1 | 17.3 | 19.5 | 21.6 | 23.7 | 25.9 | |
| dw | min. | 11.6 | 15.6 | 17.4 | 20.5 | 22.5 | 24.9 | 27.7 | 29.5 | 33.2 |
| e | min. | 14.38 | 18.9 | 21.1 | 24.49 | 26.75 | 29.56 | 32.95 | 35.03 | 39.55 |
| m | max. | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| min. | 3.7 | 4.7 | 5.7 | 6.42 | 7.42 | 8.42 | 9.1 | 9.9 | 10.9 | |
| m′ | min. | 2.96 | 3.76 | 4.56 | 5.14 | 5.94 | 6.74 | 7.28 | 7.92 | 8.72 |
| s | max. | 13 | 17 | 19 | 22 | 24 | 27 | 30 | 32 | 36 |
| min. | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 | 26.16 | 29.16 | 31 | 35 | |
- d
- Nominal thread diameter
- P
- Thread pitch
- da
- Transition diameter
- dw
- Bearing face diameter
- e
- Width across corners
- m
- Height of the nut
- m′
- Wrenching height
Form B (DIN 439-2) is chamfered; form A (DIN 439-1) has no chamfer.
Width across flats. ISO 4035 uses s = 16, 18, 21 and 34 mm for M10, M12, M14 and M22; this table has the DIN widths 17, 19, 22 and 32 mm.
Grades and finishes: configure at hbsfasteners.nl/products/hex-nuts.
FAQ
DIN 439-B – frequently asked questions.
- What is DIN 439-B?
- DIN 439-B is the standard for hexagon thin nuts, chamfered (DIN 439-2 (form B, chamfered) · comparable to ISO 4035). HBS Solutions supplies DIN 439-B hex nuts from stock, with EN 10204 3.1 / 3.2 certificates.
- Which sizes does DIN 439-B cover?
- The HBS datasheet lists DIN 439-B from M1.6 to M6. The full dimension tables are on this page and in the free PDF datasheet.
- Which related standard corresponds to DIN 439-B?
- DIN 439-2 (form B, chamfered) · comparable to ISO 4035.
- How do I order DIN 439-B hex nuts?
- Configure the part online or send your parts list through the quote form; HBS Solutions replies with a quotation within 24 hours. Stock items ship from 500.000+ pieces in stock in Almere, the Netherlands.
Related standards
Related standards.
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