The LOCK NUT, NYLON, STAINLESS, 1/4-20", BLACK (SKU: XLN1420SS2) provides enhanced security and reliability in fastening applications. Made from high-quality stainless steel, this lock nut features a nylon insert that prevents loosening due to vibration and movement. Ideal for automotive and industrial use, it is resistant to corrosion and suitable for both indoor and outdoor environments. Its sleek black finish adds a professional touch while ensuring a secure fit on 1/4-20" threaded rods or bolts.