Tamper resistant machine screws feature specialized drive types — spanner, pin-in six lobe, one-way, pin-in hex socket, and tri-groove — that require non-standard tools to remove. Available in a full range of thread sizes from #4-40 through 1/2-13, in 18/8 stainless steel, brass, alloy steel, and zinc plated steel. Common applications include public fixtures, electronics enclosures, transit infrastructure, and access panels.
$90.15per 400(
$0.23 each)
$86.07per 400(
$0.22 each)
$84.05per 400(
$0.21 each)
$81.38per 400(
$0.20 each)
$132.86per 100(
$1.33 each)
$106.29per 100(
$1.06 each)
$106.29per 100(
$1.06 each)
$108.95per 100(
$1.09 each)