Kinmar

Kinmar®
Kinmar security fasteners the patented design has unique indentations in the rounded shape of the nut, providing both high security and optimum torque.
Permanent and reusable fasteners are available, requiring a Kinmar security tool to fasten and, for the reusable option, remove which makes these a high security solution.
Kinmar fasteners are typically used in vulnerable applications where the public have access, including public transport, concrete anchors,and security fencing.