Back Home / Fasteners / Nuts / LOCK NUT NYLON INSERT ZINC M8-1.25 CL 8 LOCK NUT NYLON INSERT ZINC M8-1.25 CL 8 SKU: XMLN8 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. Class 8. Designed to be used in structural application with class 8.8 or less cap screws or bolts. Reusable. Less expensive than Grade C Stover lock nuts. Made from low carbon steel. Size: M8-1.25. Zinc plated. Case Quantity: 100 Log In For Pricing