Our 4-40 x 1/4 Phillips pan head split lock screws are fully threaded and zinc plated for superior corrosion resistance.
These screws are designed for a wide range of applications, including metal, plastic, and wood fastening.
The split lock washer ensures the screw remains securely in place, preventing loosening over time.
The flat washer helps distribute the load evenly, protecting the material being fastened from damage.
Select from various lengths to suit your specific project requirements.