Back Home / Fasteners / Nuts / LOCK NUT NYLON UNC STAINLESS 1/4″-20 LOCK NUT NYLON UNC STAINLESS 1/4″-20 SKU: LN1420SS 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 stainless steel machine screws and bolts. Reusable. The nylon collar will begin to deteriorate at temperature from 150 to 350° F. Made form 18-8 or equivalent stainless steel. Size: 1/4″-20. Case Quantity: 100 Log In For Pricing