| Left-hand | Female thread direction | 
| d1 h9 | 13 mm | Ball diameter | 
| d2 | M8 x 1.25 | Thread | 
| d3 | 13 mm | Shank diameter | 
| d4 | 19.3 mm | Socket head diameter | 
| l3 ±0.3 | 13 mm | Center to stud shoulder | 
| a ±0.3 | 30 mm | Center to shank end | 
| e min. | 14 mm | Female thread length | 
| SW | 11 mm | Width across flats | 
| ≈m | 50 g | Weight |