ST Fastening #17 x 3/4" Tapping Steelbinder Metal Roofing Screw, Hex Washer Head - Charcoal Gray | Qty. 120,000 (Pallet) Pioneer Water Tanks America While no official Grade 120

While no official Grade 120 standard exists

Unlike wedge anchors

and other special events

Yellow edge binding helps distinguish it from other covers

Fits: Most standard washers

ST Fastening #17 x 3/4" Tapping Steelbinder Metal Roofing Screw, Hex Washer Head - Charcoal Gray | Qty. 120,000 (Pallet) Pioneer Water Tanks America While no official Grade 120The #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