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The HILLMAN FASTENERS 560358 is a zinc plated hex washer head self drilling screw supplied in a 100-piece pack. Sized at 12-14 x 1 inch, this screw features a built-in drill point that eliminates the need for a pilot hole, making it well suited for fast, secure fastening into sheet metal, light steel framing, and similar substrates. The hex washer head provides a broad bearing surface and is driven with a standard hex socket or nut driver. The zinc plating offers corrosion resistance for general interior and light exterior applications. Installers in HVAC, light commercial construction, and general trade work commonly reach for this type of fastener when speed and reliability matter on the job.
This self drilling screw is used in a wide range of trade applications including HVAC duct assembly, metal stud framing, electrical enclosure attachment, and sheet metal fabrication. The 12-14 thread size and 1 inch length make it a standard choice for connecting light-gauge metal panels and components where a pilot hole is not practical. It is sold in a 100-piece pack, making it appropriate for both small repair jobs and higher-volume installation tasks.
Designed as a standard self drilling screw for use in light-gauge sheet metal, HVAC ductwork, metal stud framing, and similar trade applications where a 12-14 x 1 inch hex washer head fastener is required.
Install using a hex head nut driver or socket bit rated for the fastener drive size. Ensure the workpiece is secured before driving to prevent slippage. Do not overdrive — stop when the washer head seats flush against the material surface to avoid stripping the substrate. Follow applicable building and mechanical codes for fastener spacing and load requirements.
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