8,5 mm hoogte. Staal, rondom gehard, diepte 0,2 tot 0,4 mm, hardheid (550 + 100) HV 10. Past op M8-bout. 8,4 mm binnendiameter. 17 mm buitendiameter.
| Brand | JW Winco |
| Country of Origin | Germany |
| Fastener Size | M8 |
| Item model number | 6319.1-17-ST |
| Manufacturer | Ganter |
| Material | Steel; Hardness |
| Metal Type | Alloy Steel |
| Package Dimensions | 4.84 x 2.83 x 0.2 inches; 0.53 Ounces |
| Washer Type | Spherical |
