Screws, Bolts are in stock at Tenco Electronics. A screw is a type of fastener, sometimes similar to a bolt , typically made of metal, and characterized by a helical ridge, known as a male thread (external thread) or just thread.A screw is an inclined plane wrapped around a nail. Some screw threads are designed to mate with a complementary thread, known as a female thread (internal thread), often in the form of a nut or an object that has the internal thread formed into it. Other screw threads are designed to cut a helical groove in a softer material as the screw is inserted. The most common uses of screws are to hold objects together and to position objects.Tenco offers inventory, pricing, & datasheets for Screws, Bolts. To know more, please view our large section of Screws, Bolts below.