Roofing Siding Screws, Indent Hex Washer EPDM Head, Self Drilling TEK 3, Zinc Plated Steel, #12-14

• CR+3 Zinc Plating
• Comes with a TEK drill point
• Used for attaching metal roofing and siding panels to metal stud framing
• Also called self drillers
• Fully threaded minus the drill point
• TEK tips are rated based on the thickness of the metal you are penetrating

#12-14 Zinc plated hex washer head self driller with EPDM rubber metal beaked washer for metal roofing and siding. The EPDM (Ethylene Propylene Diene Monomer) rubber which has a wide range of application. This is the best rubber for metal building and siding applications to stop water from entering the building with long life spans.

A self drilling screw drill point depends on the metal thickness. The typical 25 to 16 gauge will use a TEK 3 and 14 gauge and below will require TEK 4-5.