Thumb Screws

These plastic caps mate to any length of standard socket head screws to convert them into simple wing-style thumb screw knobs. They are assembled by being pressed down onto a socket head screw with the use of a punch press, hydraulic press, or a vise.

Plastic Round Caps fit any length of standard socket head screws to create a basic round thumb screw in any of one of our stanard colors. They are assembled by pressing down onto a socket head screw. These knobs need to be assembled with the use of a punch press, hydraulic press, or a vise to properly attach the cap to the socket head screw.