Some screws are turned by hand, others lost their head, and one looks like a sea monster. It might be time you read up on ...

Tighten the screw, and when the specified tightening torque reaches 25 inch-pounds, the tool’s mechanism disengages and the screwdriver stops tightening. Related Stories The Best Tools of 2022 ...

Spax and GRK screws usually come packaged with a Torx T20 or T25 bit. These have star-shaped cross sections that make greater contact with the screw head than a Phillips bit, so they're less ...

In 1933, Phillips obtained the rights to a socket screw invented by John Thompson that had a cross-slotted rather than slit head. To turn the screw, one had to use a tool that resembled an arrow ...