There are numerous reasons why a bolt might be too long for its intended use on a project. The first is the bolt needs to be shortened in order to fit into place. It might also be for cosmetic reasons ...

Jam Handy! Provides a detailed overview of the process of cutting screw threads on a lathe. It explains the different types of screw threads, the importance of precision in machining, and outlines the ...

Before the late 18th century, machine parts were made by hand, and no two were alike. For instance, a bolt was manufactured on a treadle-powered lathe by a workman holding a cutting instrument and ...