| Bolt Size | Inside Diameter | Outside Diameter | Thickness |
| M3 | 3.1mm | 5.6mm | 1.0mm |
| M4 | 4.1mm | 7.0mm | 1.2mm |
| M5 | 5.1mm | 8.8mm | 1.6mm |
| M6 | 6.1mm | 9.9mm | 1.6mm |
| M8 | 8.1mm | 12.7mm | 2.0mm |
| M10 | 10.2mm | 16mm | 2.5mm |
| M12 | 12.2mm | 18mm | 2.5mm |
| M16 | 16.2mm | 27.4mm | 3.5mm |
| M20 | 20.2mm | 33.6mm | 4.0mm |