Description

(5000) 10 x 1 Self Drilling TEK 3 Hex Washer Head Zinc Siding Screw #137722 STRONG-POINT® UNSLOTTED INDENTED HI-HEX WASHER HEAD W/REVERSE SERRATIONS, ZINC PLATED. This self-tapping screw is recommended for medium guage sheet metal. Commonly used in HVAC ductwork applications. Can attach 12 - 20 guage steell (see drill capacity guidelines below). Self-drilling screw drills a hole and taps a thread in a single operation. The drilling point must fully penetrate all pieces of material being fastened before the first thread engages. The washer and hex head are formed together as one piece. The underside of the hex washer head provides a flat bearing surface that reduces the likelihood of crushing mating surfaces when you drive this screw. Application: Attaches metal to metal.Drill Capacity (in.): .035 - .176 Installation: A 5/16” hex nut setter or 5/16” drive socket with torque limiting nose piece set at a maximum of 2500 RPM drive speed recommended.Do not over torque as it can cause the head to snap or stripping of the threads. Installed fasteners must penetrate a minimum of threefull threads beyond the metal structure. Specifications: • Meets ASTM1 C 1513 for cold-formed steel framing connections• Meets ASTM A 510 for carbon steel manufacturing• Manufactured to SAE2 J78 for dimensional specifications• Meets F.I.P.3-1000.7 for torsional strength and drill speed• Meets ASTM F1941 for corrosion resistance• ICC-ES Evaluation Report: ESR-3528