Glossary “thread pitch gauge” Definition:
Device that measures bolt thread pitch.

Glossary “thread series” Definition:
Standard designation of the number of threads and their pitch per unit, inch or millimeter.

Glossary “thread pitch” Definition:
The distance of the threads on a fastener. Also, the number of threads along a certain length.

Glossary “thread compound” Definition:
Thread compounds take up the space between the threads after tightening and harden to form a bond between the internal and external threads. The difference between the compounds relate to the temperature range it can withstand and the type of metal it works with.

Glossary “thread chaser” Definition:
Device, similar to a die, that is used to clean threads.

Glossary “thread class” Definition:
Standard designation to indicate the closeness of fit between two threaded parts, such as a bolt and nut.