Allstar Performance Mechanical Lock Nuts are steel nuts with a 3/4-16 thread size and a hex head design. They are designed to resist loosening due to vibration and are ideal for use in applications such as racing or high-performance vehicles. The nuts feature a nylon insert that creates a mechanical lock between the nut and the threaded fastener. The zinc oxide coating provides corrosion resistance. They are sold in a set of ten.
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