TIMCO Metal Construction Stitching Screws – For Sheet to Sheet – Hex – EPDM Washer – Self-Drilling – Exterior – Silver Organic

Self-Drilling Stitching Screws for Secure Sheet-to-Sheet Fixing. TIMCO Sheet-to-Sheet Self-Drilling Stitching Screws are specifically designed for fastening overlapping metal sheets together without the need for pre-drilling. The self-drilling point quickly penetrates both sheets, while the hex head allows high torque application for a secure, vibration-resistant hold. An integrated EPDM washer forms a watertight seal, protecting against leaks in exterior applications. The silver organic coating delivers outstanding corrosion resistance, making them ideal for roofing, cladding, and other outdoor metal-to-metal connections.. Key Features & Benefits. Self-Drilling Point: Drills through overlapping sheets in one step—no pre-drilling required.. Hex Head: Enables high torque driving for strong, secure fastening.. EPDM Washer: Creates a watertight seal to prevent water ingress.. Silver Organic Coating: Exceptional corrosion resistance for long-term exterior performance.. Sheet-to-Sheet Design: Specifically engineered for fixing overlapping metal sheets together.. Application Areas. Fixing overlapping metal roof sheets. Cladding panel connections. Metal sheet repairs. General sheet-to-sheet exterior fastening. Technical Specifications. Head Type: Hex washer. Drive Type: Hex socket. Thread Type: Self-drilling. Point: Drill point for sheet-to-sheet fixing. Material: Hardened carbon steel. Finish: Silver organic coating. Washer: EPDM bonded sealing washer. Use: Exterior applications