ST Fastening #17 x 1-1/4" Tapping Steelbinder Metal Roofing Screw - Charcoal Gray - Pkg 250 Galvanized Large Diameter Concrete Screws The Simpson ECCLRQMD4

The Simpson ECCLRQMD4

and 316 Stainless Steel

Made from heavy-duty 3-gauge steel - compliant with building codes for 2×4 and 2×6 framed walls

this screw is designed for both interior and exterior use in demanding panel-clip and metal-to-metal or wood-to-metal installations

and fabrication tasks

ST Fastening #17 x 1-1/4" Tapping Steelbinder Metal Roofing Screw - Charcoal Gray - Pkg 250 Galvanized Large Diameter Concrete Screws The Simpson ECCLRQMD4The #17 Tapping Steelbinder Metal Roofing Screw is designed for superior performance in securing metal roofing panels and siding to steel structures. Perfect for residential, agricultural, and industrial projects, these screws offer strength, reliability, and ease of installation. With a sharp tapping tip, they eliminate the need for pre drilling, while the integrated EPDM rubber washer ensures a watertight and corrosion resistant seal for long term