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The DURO DYNE 12136 is a jar of 500 Pro Point sheet metal screws designed for HVAC ductwork fabrication and assembly. Each screw measures No. 8 x 0.75 inches with a high-profile 5/16-inch head. The Pro Point tip is engineered for fast, clean penetration into light-gauge sheet metal without pre-drilling, making installation faster on the job. These screws are packaged in a high-count jar format, keeping the workstation organized and replenishment straightforward for duct installers working at volume.
These screws are a standard fastener in residential and commercial HVAC duct assembly. Sheet metal workers and HVAC installers use them to connect duct sections, secure fittings, and fasten sheet metal panels. The high-head profile provides positive bit engagement under field conditions, reducing cam-out when driving through multiple layers of metal or with a right-angle drill. The 500-count jar suits daily use in a service van or shop setting where fastener turnover is high.
Designed as a standard-size sheet metal screw for use in residential and commercial HVAC ductwork fabrication and assembly applications requiring a No. 8 x 0.75-inch fastener with a 5/16-inch head.
Sheet metal screws of this type are installed by licensed HVAC technicians and sheet metal workers using a hex-head driver bit sized to 5/16 inch. Drive speed should be controlled to avoid stripping the sheet metal at the fastener seat. Follow applicable SMACNA and local mechanical code requirements for fastener spacing on duct connections. Ensure duct sections are properly aligned and supported before driving fasteners.
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