All / 1/2"-13 Clear Categories Categories All Tri-Groove Security Nuts Tri-Groove Installation Sockets Breakaway Nuts Security Screws 316 Stainless Steel 304 Stainless Steel Zamak 5 #10-32 #10-24 1/4"-20 5/16"-18 M8-1.25 3/8"-16 1/2"-13 Black Oxide Carbon Steel Chrome-Plated Carbon Steel Filters Filter Clear Filter 1/2"-13 Break-Away Shear Nuts – Zamak 5 Tamper-Resistant Security Fasteners from $7.99 Select Pack Quantity 2-Pack - $7.99 5-Pack - $14.99 8-Pack - $20.99 12-Pack - $26.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! 1/2"-13 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $14.99 8-Pack - $21.99 12-Pack - $29.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! No results found No results match your search. Try removing a few filters.
