What are imperial spanner sizes?
What are imperial spanner sizes?
Imperial and Metric Spanner Sizes
| BOLT DIAMETER (INCHES) | AF SPANNER SIZE (INCHES) | SPANNER SIZE (MM) |
|---|---|---|
| 1/4 INCH | 7/16 INCH | 11.11 MM |
| 5/16 INCH | 1/2 INCH | 12.7 MM |
| 3/8 INCH | 9/16 INCH | 14.29 MM |
| 7/16 INCH | 5/8 INCH | 15.88 MM |
How do I know what size spanner I need?
Modern spanner sizes refer to the distance across the flats of the hexagonal nut or bolt they would fit. A 17mm spanner therefore fits a nut 17mm across its flats and this is normally a nut to fit a 10mm diameter bolt (M10).
What spanner size is between 13mm and 14mm?
Standard / Metric Wrench Conversion Chart
| Bolt Diameter | Standard | Metric |
|---|---|---|
| 3/16″ | 3/8″ | 10mm |
| 1/4″ | 7/16″ | 11mm |
| 5/16″ | 1/2″ | 13mm |
| 3/8″ | 9/16″ | 14mm |
What size is a 1 inch spanner?
| Bolt dia. | AF spanner size inches | Spanner size MM |
|---|---|---|
| 9/16 inch | 7/8 inch | 22.22 mm |
| 5/8 inch | 15/16 inch | 23.81 mm |
| 1.00 inch | 25.40 mm | |
| 1.1/16 inches | 26.93 mm |
What size is between 10mm and 11mm?
| MM | Approximate Size In Inches | Exact Size In Inches |
|---|---|---|
| 10mm | Little over 3/8 Inch | 0.39370 Inches |
| 11mm | 7/16 Inch | 0.43307 Inches |
| 12mm | Just short of 1/2 Inch | 0.47244 Inches |
| 13mm | Little over 1/2 Inch | 0.51181 Inches |
What are the most common spanner sizes?
For example, a ¼” fastener fits a spanner with a ¼” head. Metric fasteners often use a different size system to metric spanners and it can be confusing. The fastener size system relates to the size of their thread rather than the size of their heads. Some of the most common sizes are M6, M8, M10 and M12.
What size is 10mm spanner?
Metric Spanner Sizes
| Nominal Size | Spanner Size |
|---|---|
| M6 | 10mm |
| M7 | 11mm |
| M8 | 13mm |
| M10 | 17mm |
Is af the same as imperial?
Imperial are another range of sizes completely;tend to be found on older UK vehicles. Most people take imperial to be inch sizes which are AF. If you’re thinking of Whitworth then you’ll struggle to get a whit set for cheap money these days. Most AF sizes are useful for when the metric nut is rounded etc.
