List of symbols
| Symbol | Name of the symbol | Unit |
|---|---|---|
| $c$ | length $ c $ | $\mathrm{mm}$ |
| $d$ | diameter | $\mathrm{mm}$ |
| $d_1$ | hole diameter | $\mathrm{mm}$ |
| $d_k$ | head diameter | $\mathrm{mm}$ |
| $e$ | dimension $ e $ | $\mathrm{mm}$ |
| $k$ | dimension $ k $ | $\mathrm{mm}$ |
| $l$ | length | $\mathrm{mm}$ |
| $l_e$ | length $ l_e $ | $\mathrm{mm}$ |
| $r$ | radius | $\mathrm{mm}$ |