If you've ever mistakenly grabbed the Phillips head screwdriver when you needed a flat head, you've probably ... Metal screws as we know them today have been in use since at least the 15 th ...

This distinction is key, as one cannot rotate a flat-head screw with a cross-patterned Phillips head tool nor use a flat-head driver with a Phillips screw. But why have two different kinds of ...

If you use your screwdrivers every day for ... in addition to three sizes each of flat-head and Phillips screwdrivers, this set also includes a tack lifter, brad awl, and hook driver.

Engineers and manufacturers looking to reduce tension and extend the service life of machines and systems now find a solution in norelem’s flat head screw with tolerance compensation. Used to connect ...

Early screws used either a slotted head or some sort of ... making one-handed operation easy. A slotted, flat-head screwdriver. The Robertson was perfect for the burgeoning auto industry.