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The STEWART FASTENER B0808BRPWTZ is a No. 8 x 0.5-inch modified truss head Phillips drive tek screw sold in a pack of 1000. Tek screws are self-drilling fasteners that eliminate the need for pre-drilling by cutting their own pilot hole through metal framing and sheet metal. The modified truss head profile provides a wider, lower-profile bearing surface compared to a standard pan head, reducing the risk of pull-through on thinner gauge material. This fastener is suited for HVAC ductwork fabrication, metal stud framing, electrical enclosure assembly, and general sheet metal work performed by mechanical and electrical trade professionals.
The B0808BRPWTZ is used in light-gauge sheet metal applications where a flush, low-profile fastener head is required. Common install scenarios include securing duct sections, attaching metal panels to light-gauge steel framing, and assembling equipment enclosures. The pack-of-1000 quantity is sized for production shop work, prefabrication, and high-volume field installations where carrying adequate fastener inventory reduces downtime.
Designed as an OEM-style replacement fastener for light-gauge sheet metal and metal framing applications requiring a No. 8 self-drilling tek screw with a modified truss head profile.
Installation is performed by HVAC technicians, sheet metal workers, and electricians using a Phillips-tip screw gun or variable-speed drill set to appropriate clutch torque to avoid stripping the drive or overdriving the head. Ensure the substrate material gauge is within the rated drilling capacity of a No. 8 tek point before fastening. Do not use an impact driver without a clutch setting, as overdriving will compromise thread engagement and head seating on thin-gauge material.
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