Square Drive Pan Head Self Drilling Screws
TEK 3 Point Square Drive Screws
Square Drive Pan head self drilling screws are made of 410 stainless steel and have a sheet metal thread with a self driller cutting (TEK) point to pierce through 20 to 14 gauge metals. The heads use a Square Bit #1 through #3 driver depending on the size of the screw. These screws are used in the exterior elements.