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Self Drilling Screw, Hwh Unslotted W/ Bonded Washer, Zinc Cr+3 (Inch)
Hex Washer Head (HWH) Unslotted Self-Drilling Screws with a Bonded Washer and Zinc Cr+3 finish are engineered to drill, tap, and fasten in a single step while providing a secure, watertight seal. The bonded washer, typically a metal washer with a rubber backing, distributes load evenly and prevents moisture intrusion. Zinc Cr+3 plating provides moderate corrosion resistance.
These screws are ideal for roofing, siding, metal panels, HVAC systems, and other applications where sealing and fastening efficiency are essential. The hex washer head allows for strong torque application, and the unslotted design ensures a clean, professional surface. The bonded washer improves vibration resistance and provides a reliable seal, while the Zinc Cr+3 coating protects against rust in indoor and light-duty outdoor environments. Self-Drilling Screws with HWH Unslotted Bonded Washers provide dependable fastening, long-term durability, and consistent performance across a wide range of construction and industrial projects.
