5/8"-11 Large Diameter Tamper-Resistant Trident Nuts, Low Profile Jam, Zamak 5 Zinc Alloy, 40TRI Driver Size

Tanner Trident™ Nuts are suitable for providing tamper-resistant fastening for a wide range of products using bolts, screws, or concrete and masonry anchoring devices. Trident Nuts manufactured with ZAMAK 5 are light-weight, rust proof and corrosion resistant. The Trident Nut is a tamper-resistant internally threaded fastening device featuring a conical design that prevents unauthorized removal. It has 3 indented slots for installation and removal with a proprietary tool.