This is the first in a series of articles regarding fasteners. Over the coming months we will discuss bolts, , nuts, washers, specialty fasteners and their applications.
This month our discussion turns to bolts and screws. The purpose of this article is to provide a cursory overview of the common nomenclature, grades and classes, identification of both SAE Inch and ISO / DIN Metric bolts and screws and a short overview of screw threads.