Size
#12 x 1-1/4" ~ #12 x 3"

Indented Hex Flange Washer Head, Self Drilling Screw, Type CSD Thread, Shank Slot, No. 5 Point
#12 x 1-1/4" ~ #12 x 3"
Coating Options: Zinc, Ruspert, Yellow Zinc, Machanical Galvanize (C3/C4)
More Coating and Recess Options Available Upon Inquiry
Self-drilling screws are widely used for steel roofing applications due to their efficiency and durability. Here's how they are typically applied:
These screws are designed to handle the challenges of outdoor environments, such as corrosion and temperature changes.