All about Screws

Welcome to the ALDU fasteners knowledge base on screws. Here you will find extensive information on different types of screws, their applications, materials and practical tips.
Whether you are a do-it-yourselfer, construction professional or someone just curious, this resource will help you gain a deeper understanding of the world of screws.

Types of screws

Screw heads and drives

Screwing materials

Screw lengths and diameters

Selection and use

Maintenance and storage