Self Drilling Hex Screw with Rubber Gasket 5.5×1 (200pcs)

Self Drilling Hex Screw with Rubber Gasket 5.5×1 (200pcs) The Self Drilling Hex Screw with Rubber Gasket 5.5×1 is designed for efficient fastening of metal sheets and roofing materials without the need for pre drilling. Equipped with a self drilling tip and a rubber sealing washer, this screw provides secure fastening while preventing water leakage. It is widely used in roofing installations, sheet metal work, and outdoor construction projects. Product Features Self Drilling Tip Allows direct drilling into metal surfaces without requiring a pilot hole. Weather Resistant Rubber Gasket Rubber washer creates a tight seal that prevents water leakage and improves durability. Strong Hex Head Design Hex head enables firm tightening with standard tools for secure installation. Corrosion Resistant Construction Designed for long term outdoor use in roofing and metal sheet installations. Convenient Bulk Packaging Supplied in packs of 200 pieces for large scale construction and installation work. Product Specifications Product type: Self drilling hex screw Screw size: 5.5 x 1 inch Head type: Hex head Washer type: Rubber sealing gasket Tip type: Self drilling Quantity per pack: 200 pieces Application: Metal roofing, sheet metal fastening, construction installation