Clamp the bolt in a vise, engage the thread file grooves with the bolt threads and push the file. Note: This resets the ...

Once you have your tap and die set, you have to find out the size and thread pitch of the damaged threads. Size being the diameter of the threaded portion of the bolt and thread pitch being the ...

If the threads mesh, they have the same thread pitch. This is also a quick way to check the length. To measure the major diameter, you can find a wrench that fits snugly around the bolt's threads.

How about a metric screw pitch gauge (top, photo left)? Only $6.05. I used to own one of these when I worked as a journeyman Machinist. Since metric threads are measured by outside thread diameter and ...

Despite being standardised in the late 1800s, BA threads, the British Association threads used in old electrical equipment, including vehicle magnetos, are based on the metric system. A BA0 bolt has ...

The differential screw in this case started life as a normal M5 bolt with a 0.8 mm thread pitch. [Mark] machined and threaded section of the bolt down to a M4 x 0.7 mm thread.