Economical Tri-Wing tamper-resistant screws are the common choice for high volume assembly operations while offering a minimal degree of Security. Type AB thread with a 410 heat treated stainless steel, #2 self-drilling point.
Tamperproof Screw Company
#6A x 1" Pan Head Tri-Wing Sheet Metal Screw, 18-8 Stainless Steel (100/Pkg.)
$34.50
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