Metric Class 109 hex head cap screws are coarse thread, zinc plated and designed to be driven by wrenches
| Type | Bolt |
| Style | Cap Screw |
| Size | M20-2.50 |
| Length | 40 mm |
| Material | Steel |
| Grade/Class | 10.9 |
| Thread Direction | Right Hand |
| Thread | Coarse |
| Wrench Size | 30 mm |
| Head Style | Hex |
| Din No. | 931 10ZP |
