DIN 439 thin hex locknut in untreated steel, sized for M42 metric threads with a 4.5 mm pitch. Nut height is 21 mm across a 65 mm wrench flat, suited to counter-locking or space-restricted assemblies. Supplied in packs of 10 pieces. Supplied under manufacturer part number 439421, EAN 5711160130845, HS code 7318.29, country of origin Germany.
| Product type | Counter nut Black |
| Product group | Nuts |
| Thread diameter | M42 |
| Indicative package size | 10 pcs |
| Thread type | Metric |
| Thread pitch | 4.5 mm |
| Height | 21 mm |
| Wrench width | 65 mm |
| DIN number | 439 |
| REACH SVHC substance above 0.1% | None |
| Sales unit | Pack |
| Carbon footprint (EPD) | 1.2830 kg CO2e per pcs |
| Country of origin | Germany |
| Customs tariff code (EU CN) | 73182900 |
| HS code | 7318.29 |
| Manufacturer part number | 439421 |
| GTIN (EAN) | 5711160130845 |
| MOQ | 1 |