DIN 1587 - 2014 Hex Acorn Nut, High Type
| Legend | Making: |
| s - size of the hexagon | Steel: 6 |
| t - length of the thread | Stainless: A2, A4 |
| d - the nominal diameter of the thread | Plastic: Plastic Pa |
| h - height of the nut | Non Ferrous: Brass |
| m - height of the nut part | Thread: 6H |
| dk - head diameter | |
| da - Turning diameter shrinkage | |
| dw - contact surface diameter | |
| mw - minimum wrenching height |