1.5d+ 1 or 2, where d is the bolt size
The spanner size for an M30 bolt is typically 36 mm. This measurement is based on the standard across most metric bolt specifications, where the width across the flats of the bolt head determines the appropriate spanner size. Always verify the specific requirements for your application, as variations can occur.
The appropriate tool size needed for tightening a bolt with a 17mm spanner is a 17mm wrench or socket.
The effective diameter of the bolt defines the size of the bolt head. Hence the size of the spanner or wrench that fits the bolt. There are certain exceptions but these are usually specialist applications.
you use a spanner to open a rusted nut bolt because you need a strong tool to open a rusted nut bolt.
How to calculate spanner size regarding bolts and nuts
what the hex a wrench? Hex wrench is short for hexagonal wrench, that is a wrench or spanner designed to fit a certain size nut or bolt.
17mm spanner
To untie the oil sump bolt on a Mazda Sting, you typically need a 17mm spanner or socket. However, it's always best to double-check the specific model and year, as variations may exist. Ensure that you also have the proper tools for your specific vehicle's maintenance requirements.
Its a 13mm spanner that you require.
spanner
A spanner is another word for box-end wrench. So, a 14 spanner would be a metric size 14 box-end wrench.
The hexagonal head is easy for a spanner/wrench to get a firm hold on.