400-4743 Stemco Zip Torq Axle Spindle Nut TN Axles 6 Point
The STEMCO Zip-Torq axle fastener is the latest innovation from STEMCO. Zip-Torq is a unitized spindle nut that uses a patented self-locking ratchet system to secure the wheel end and prevent back off. Zip-Torq consistently delivers accurate endplay between .001"–.005" using the STEMCO 2-1-1 method.