ST Fastening #12 x 1-1/2" Self-Drilling HG Steelbinder Metal Roofing Screw, Hex-Washer Head - Black | Qty. 2,000 (Carton) Self-Retracting Lifelines & Personal Fall Limiters Tighten the bolt until the

Tighten the bolt until the protrusions compress to the required gap—usually checked with a feeler gauge

They’re widely used in wood construction

Tighten securely

This product is intended for use with 9x beams but is also available in a wide range of other sizes

it provides safe

ST Fastening #12 x 1-1/2" Self-Drilling HG Steelbinder Metal Roofing Screw, Hex-Washer Head - Black | Qty. 2,000 (Carton) Self-Retracting Lifelines & Personal Fall Limiters Tighten the bolt until theHG Steelbinder Self Drilling Metal Roofing Screws provide fast, reliable fastening for metal roofing and siding to steel structures. With a self drilling tip for efficient installation and an EPDM washer for a watertight seal, their high grade materials ensure exceptional strength and durability in demanding environments. Key Features: Self Drilling Tip: Simplifies installation by eliminating the need for pre drilling. High Grade Construction: