These metric wing nuts provide more leverage for greater torque while tightening than knurled-head thumb nuts.

These metric thumb screws have wings that provide more leverage than spade-head thumb screws for greater torque while tightening. A zinc plating provides corrosion resistance in wet environments.

Also known as single-start and self-locking lead screws and nuts, these have a single thread that runs the length of the screw. The nut travels only when the screw turns, so your system won't unexpectedly move when the lead screw is at rest.

The galvanized finish on these fittings provides fair corrosion resistance. Fittings are for use in low-pressure applications.

These handles are often used for operating machinery.