TYPES OF SCREW HEADS SECRETS

Combi screws are just since the title indicates: A combination of two screw heads on just one. you will discover a variety of types of combi screws, all of which can be utilised with one or more drivers. The purpose of a combi screw is ease. Quite simply, that one screw can be employed with possibly a Philips or a flathead driver, and the like. th