#8 x 3/4" Tek Trim Screw (Drill Bit)
13/32" O.D. 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.