Hillman Nylon Insert Metric Lock Nuts, For Fastening Bolts, Assorted Sizes

The Hillman Nylon Insert Metric Lock Nuts, For Fastening Bolts, Assorted Sizes, are essential for any job requiring bolted fastenings that will resist loosening over time. Made from stainless steel and coated in a zinc finish for durability, these lock nuts feature a compressible nylon insert that grips the bolt threads, eliminating the need for washers. The coarse thread design provides a firm hold that withstands vibrations and torque, keeping bolts securely in place on machinery, equipment, and vehicles where reliability is key.