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The STEWART FASTENER J2516BHTZ is a 1/4-14 x 1 inch hex washer head TEK screw designed for self-drilling fastening applications in metal-to-metal and metal-to-substrate assemblies. Manufactured from steel with a zinc coating for corrosion resistance, this screw eliminates the need for a pilot hole, allowing faster installation on sheet metal, light structural steel, and similar materials. Each jar contains 100 screws, sold individually by the jar. HVAC sheet metal installers, electricians, and general trade contractors commonly use this fastener for duct work, equipment enclosures, and panel assemblies.
The J2516BHTZ is suited for light commercial and residential trade applications where a self-drilling screw with a hex washer head is required. The hex washer head provides a broad bearing surface and is driven with a standard hex driver or nut driver, making it a reliable choice for securing sheet metal components, HVAC duct sections, electrical enclosures, and similar assemblies. The zinc finish offers baseline corrosion protection appropriate for dry and semi-exposed interior installations.
Designed as a standard self-drilling hex washer head TEK screw for use in sheet metal, light structural steel, and similar substrates common to HVAC, electrical, and general trade installations.
Installation is typically performed by HVAC technicians, electricians, or sheet metal workers using a hex driver bit or nut driver rated for the fastener size. Verify substrate thickness is within the rated drilling capacity of the TEK point before driving. Do not overdrive the fastener, as this can strip the thread or distort the substrate. Follow applicable codes such as SMACNA standards for duct fastening or NEC requirements for electrical enclosure assembly where relevant.
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