#8-18 Stainless Steel Roofing Self Drilling Screws
Diameter - Thread Pitch: #8-18
#8 Hex washer head self drill with EPDM rubber metal beaked washer for metal roofing and siding.
- Comes with a drill point (TEK)
- Used for attaching metal roofing and siding panels to metal stud framing
- Normally fully threaded minus the drill point
- Based on the thickness of the metal you are penetrating
The typical 25 to 16 gauge will use a TEK 3 and 14 gauge and below will require TEK 4-5.