Lox screws have twelve contact points, one for each side, many more than the four contact points on Phillips or Robertson screws. This makes Lox screws well-suited to high-torque applications in ...

The Robertson socket head screw soared in popularity. Craftsmen favoured it because it was self-centring and could be driven with one hand. Industry came to rely on it for the way it reduced ...

It’s a brilliant design—Robertson screws won’t easily cam out, and the socket shape helps center the screwdriver, making one-handed operation easy. GREGORY REID A slotted, flat-head screwdriver.

Believe it or not the “Robertson” screw came out before the Phillips. ... one of the nice things about Robertson screws is that you can place one on the screwdriver and drive it with one hand.

A century ago, a traveling salesman named Peter L. Robertson invented a new kind of screwdriver -- and its companion screw -- so prompted after he sliced himself silly with a flathead.

If you've ever mistakenly grabbed the Phillips head screwdriver when you needed a flat head, you've probably asked yourself why there are different types of screws. Let's start at the beginning ...

Some screws come with a combination Phillips/Robertson head. No matter what type of screw you're driving, you'll have the most success, and end up with the neatest job, if you follow the simple ...

Interestingly, the ridges on a standard screwdriver handle design make it possible for the tool to fit inside the hex socket ...

So happy to be living in the land of the Robertson screw. Amen to the recess. Discovered them 30ish years ago and wish I could just get every screw in that style. Unfortunately, now I have at least 4 ...

Both Torx (star-shaped) and Robertson (square-shaped) screwdrivers and screws are made to resist cam-out, the frustrating thing that happens when your screwdriver head slips out of the screw.

Ever since, the Phillips screw has dominated the U.S. market. Down but not out, Robertson stayed in Milton and made sure that every Canadian homeowner used his screws.