100PCS Metal Self Drilling Screws Hexagon Head 6.3mm with EPDM Washer Seal

【OPTIMAL SIZE VARIANTS】 Available in precise sizes of 3 mm diameter with lengths of 100 mm and 125 mm, these self-drilling screws are tailored for efficient use with corrugated metal sheets in roofing applications. 【QUICK INSTALLATION CAPABILITY】 Capable of penetrating metal sheets up to 2mm thick without prior drilling, these screws facilitate fast installation for both roof sheets and panels. 【VISUAL APPEAL AND PROTECTION】 The striking silver metallic finish not only beautifies your roofing but also serves as an added protective barrier against harsh weather conditions. 【SUPERIOR SEALING PERFORMANCE】 Equipped with EPDM sealing washers, each screw ensures a watertight installation that resists UV damage and accommodates thermal expansion for long-term durability. 【DEPENDABLE SELF-TAPPING CONNECTION】 Constructed from galvanized metal, these screws offer reliable self-tapping connections that enhance the for structural integrity of trapezoidal and sheet metal roofs.