Length/Diameter Conversion Chart
| Inch | Millimeters |
| 3/16 | 4.7mm |
| 7/32 | 5.5mm |
| 1/4 | 6.3mm |
| 9/32 | 7mm |
| 5/16 | 7.9mm |
| 11/32 | 8.7mm |
| 3/8 | 9.5mm |
| 7/16 | 11mm |
| 1/2 | 12.7mm |
| 9/16 | 14.3mm |
| 5/8 | 15.8mm |
| 3/4 | 19mm |
| 7/8 | 22mm |
| 1" | 25mm |
| Inch | Millimeters |
| 3/16 | 4.7mm |
| 7/32 | 5.5mm |
| 1/4 | 6.3mm |
| 9/32 | 7mm |
| 5/16 | 7.9mm |
| 11/32 | 8.7mm |
| 3/8 | 9.5mm |
| 7/16 | 11mm |
| 1/2 | 12.7mm |
| 9/16 | 14.3mm |
| 5/8 | 15.8mm |
| 3/4 | 19mm |
| 7/8 | 22mm |
| 1" | 25mm |