ANSI/ASME B18.16.6 Thick Hex Nylon Lock Nuts

Designed to meet the rigorous demands of automotive applications, ANSI/ASME B18.16.6 Thick Hex Nylon Lock Nuts combine robust construction with advanced locking technology to ensure unmatched reliability in high-vibration environments. These heavy-duty fasteners feature a durable nylon insert that grips threaded components with precision, resisting loosening caused by constant engine vibrations, road shocks, or thermal expansion. Their thick hexagonal design provides superior wrenchability and torque resistance, making installation efficient even in tight engine bays or chassis assemblies.Ideal for critical automotive systems such as suspension components, brake calipers, exhaust systems, and powertrain mounts, these lock nuts maintain secure connections under extreme temperature fluctuations and dynamic loads. The corrosion-resistant finish extends service life, while compliance with ANSI/ASME standards guarantees dimensional accuracy and compatibility with standard tools. By minimizing downtime and reducing the need for frequent adjustments, these nuts empower automotive engineers and mechanics to prioritize safety and performance without compromise.Whether assembling a high-performance engine or reinforcing structural joints, ANSI/ASME B18.16.6 lock nuts deliver the confidence that every bolted connection will stay tight, mile after mile.