Screws

Fixing Loose Screws

If a woodscrew becomes loose the best treatment is to move it to a new position, when possible. If a door hinge is pulling away it might be moved far enough for the screws to be driven again into solid wood. When this is done, the old holes should be plugged to avoid wood fibres…

Self-tapping Screws
Screws

Self-tapping Screws

Self-tapping screws provide a useful and versatile range of fastenings. They are usually made from mild steel and, after the thread has been rolled, they are case-hardened to produce a hard surface at the thread with a tough core. Nickel or cadmium plating is the most common finish, but zinc, brass, copper and chromium platings…