#8 x 1/2" Wheel opening molding Tek screw
13/32" OD Washer
Tek or Self-Drilling Screws, enable drilling without first creating a pilot hole. These screws are usually used to join sheet metal panels together. Tek screws are also used by body men to tack panels together for welding. A popular screw since it eliminates the need for drilling, and can be used multiple times.