Why is a cross-headed screwdriver called a 'Philips' screwdriver?

Answer In the early 1930s, the Phillips head screw was invented by Henry Phillips. Automobile manufacturers now used car assembly lines. They needed screws that could take greater torque and could provide... Read More »

Top Q&A For: Why is a cross-headed screwdriver called a 'Phi...

How does the amount of work the screwdriver does on the can compare with the amout of work you do on the screwdriver?

A screwdriver should be 100% efficient, if there are any small losses they will be due to deforming the screwhead, or frictional losses on the screwhead.

How to Magnetize a Screwdriver?

Have you ever been working on a project in a tight space, or where the screws were really small? Did you lose screws off the screwdriver and have to hunt for them, or lose screw after screw? Here i... Read More »

Screwdriver Facts?

An essential part of home improvement or auto repair work, screwdrivers occupy a central place in virtually homeowner's toolbox. The first screwdriver bits were placed on carpenter's braces around ... Read More »

What is the use of a Philips screwdriver?

A Phillips screw driver is primarily used to fasten and unfasten screws with a star-like hole in their heads.