Tramec’s MAG-Performance 2-piece design optimizes torque-to-clamp output, resulting in up to 5 times higher clamping force than traditional radius or conical type wheel nut designs. Our specifications require the MAG-Performance design to perform according to ISO 898-6 (Class 10) load testing criteria, which incorporates standards that are 30% higher than SAE J1965. Many popular PTFE coated wheel nuts just don’t measure up, failing ASTM B 117 salt spray testing in less than 72 hours, which means “faster-to-failure” performance, increased maintenance costs and downtime for the fleet.