ST Fastening #17 x 1-1/2" Tapping Steelbinder Metal Roofing Screw - Forest Green - Qty. 72,000 (Pallet) Simpson SDS Heavy Duty Connector Screws The black phosphate coating is

The black phosphate coating is only suitable for use in dry interior environments

Self-drilling tip eliminates the need for predrilling in most materials

Electro-Galvanized is a pipe strap used to secure downpiping

no matter the roofing material or slope

ST Fastening #17 x 1-1/2" Tapping Steelbinder Metal Roofing Screw - Forest Green - Qty. 72,000 (Pallet) Simpson SDS Heavy Duty Connector Screws The black phosphate coating isThe #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