The Robertson head, AKA the square head, dates again to 1907. Typical in copyright and prolonged considered to be a curiosity during the U.S., it’s turning out to be much more popular listed here as the square head resists slipping better than the Phillips head. Also make sure that the thickne

The Offset screwdrivers also have a flat blade. But no manage is Utilized in these screwdrivers. Their shank is turned at ninety In the course of my diverse engineering profession, I've carried out various mechanical and electrical projects, honing my expertise and getting precious insights.