10-24-2020, 07:14 AM
In metric the head is usually 4 mm larger than the thread so a 6m bolt or nut takes a 10 mm tool
An 8mm thread bolt would take a 12mm wrench
On the spark plug the thread is 10 mm but the tool is 14 mm
An 8mm thread bolt would take a 12mm wrench
On the spark plug the thread is 10 mm but the tool is 14 mm
