DETAILED NOTES ON TYPES OF SCREWDRIVER HEADS

Pozidriv screwdrivers are used with up-to-date versions of the Phillips fastener. These screwdrivers are selected from the letters “PZ” accompanied by a size code ranging from 0 to the most important size of 5.Yankee: This is a ratchet screwdriver that operates with a spring-loaded mechanism rather than ball bearings. As an alternative to using