A reverse-thread sheet metal screw that installs counter-clockwise, thus tightening if removal is attempted. Type A sheet metal thread forming screw with a locating point.
![#8A x 1" Opsit Left-Handed Truss Head Security Screw, 18-8 Stainless Steel (100/Pkg.) #8A x 1" Opsit Left-Handed Truss Head Security Screw, 18-8 Stainless Steel (100/Pkg.)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/8936/416015/Opsit-Truss-Head-Screws__07150.1630502585.jpg?c=2)
Tamperproof Screw Company
#8A x 1" Opsit Left-Handed Truss Head Security Screw, 18-8 Stainless Steel (100/Pkg.)
$26.83
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