sturiz 45PCS 5.5x50 mm Self Drilling Screws for Metal Roofing Screws with Rubber Washers Hex Head Self Tapping Screws und 2 M8 Hex Socket Tech Screws Zinc Corrugated Roof Fixings for Tin Roof

Product Content: This kit contains 45 self drilling screws (5.5 x 50 mm), each roofing screws with rubber integrated sealing washer. The kit includes 2 chromium-vanadium steel (M8) power tool adapter heads, significantly improving installation efficiency.

High-Quality Materials & Durability: These self drilling screws for metal are made from high-quality carbon steel and zinc-plated for excellent corrosion resistance. The special coating of self tapping bolts prevents damage during driving, offers UV resistance, maintains roof-color appearance, and provides additional rust protection.

Hex Design & Easy Installation: The external hex head of these tech screws prevents slipping and enables high torque application. The self-drilling point eliminates the need for pre-drilling. These self tapping screws can be easily and efficiently installed using wrenches or power tools.

Self-Drilling & Self-Sealing: These corrugated roofing fixings easily penetrate metal sheets. The hex screws feature EPDM sealing washers that effectively prevent moisture penetration, compensate for thermal expansion, and ensure a durable, weather-resistant connection. These hex head timber screws are suitable for roof sheet applications.

Wide Application: The triple protection system (carbon steel, galvanization, sealing washer) makes these corrugated roofing screws ideal for trapezoidal metal sheets, metal structures, gutters, and other outdoor applications requiring long-term weather resistance. These roof screws are the perfect choice for metal roof installations.