Back Home / Fasteners / Nuts / LOCK NUT NYLON UNC ZINC 1/4″-20 GR 2 THIN PATTERN LOCK NUT NYLON UNC ZINC 1/4″-20 GR 2 THIN PATTERN SKU: XTLN1420 Categories: Fasteners, Nuts Hex nut with a nylon-filled collar at its back end. When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit. Restricts movement of the screw when it is subjected to vibration. Designed to be used with like-material machine screws and bolts. Reusable. Case Quantity: 100 Log In For Pricing