Bolt Basics (001): Thread Geometry and Classification
1. Overview The bolt (German: Schrauben) is the earliest and most widely used machine connection element in mechanical engineering. Compared with other connection methods, the bolt has the largest number and the richest variety of standardized forms. 1.1 The thread line on a bolt The core of a bolted joint is the form fit (German: Formschluss) between the bolt (external thread) and the clamped part (usually the internal thread of a nut). ...