Roofing Fasteners By DECENT AIR SYSTEM

• Material: Our Wedge Anchors Are Made Of High Quality Carbon Steel And Are Galvanized To Make The Wedge Anchors Much More Resistant To Rust.
• Use: Wedge Anchors Are Ideal For Attaching Items To Concrete, Sloped Buildings Or Metal Plates, Steel And Wood.
• Product: Each Wedge Anchor Has A Nut And Washer Already Placed On It For Your Convenience And Ease Of Use.
• How To Use: The Diameter Of The Drill Bit/Hole Is The Same As The Diameter Of The Anchor, Use An Impact Drill Of The Same Diameter As The Anchor To Drill The Hole In The Target And Then Tap The Wedge Anchor Into The Hole And Screw The Nut To Complete The Installation.
• Caution: Wedge Anchors Are Suitable For Use In Concrete, But Not In Block Or Brick Foundation Materials.

• Durable Material: These hex washer head self-drilling screws are made of 100% 410 stainless steel, which features superior rust resistance and excellent oxidation resistance with high hardness. Bonded sealing washers are made of high quality 304 stainless steel and EPDM rubber, the EPDM washers contain superior aging resistance, high and low temperature resistance qualities that will stand the test of time and always keep a leak-proof seal.
• EPDM Washers: Bonded Neoprene Washers (also known as sealing washers and cushioning washers) are a specialty washer designed to create an airtight seal between the bolt or screw and the hard surface, used to prevent leakage, distribute pressure of the bolt or screw, can avoid heat expansion and cold contraction while installing, making these screws excellent for roofing or siding applications.
• Self Drilling Screws: These hex washer head self drilling screws have stronger bearing capacity and stability, the hex head profile delivers a straightforward approach to driving without slippage, and the sharp screw tips offer a built-in feature, precise point designed to easily pierce through sheet metal and plastic, eliminating time spent on pre-drilling holes and project completion. This set of stainless steel hex washer head self tapping screws will make your job quickly done!
• No need pre-drilled holes: These screws with self-drilling tips can be drilled straight into any metal surface. Simply drill the screws through the holes and secure to the floor or wall of your metal truck or trailer.