Description
Nylon insert lock nuts are essential for any serious mechanic’s toolkit—they prevent fastener loosening caused by vibration, which is critical in high-performance and racing applications where reliability is non-negotiable. This comprehensive assortment eliminates the need to source individual sizes, saving time on builds and repairs while ensuring you have the right fastener for every application. Made in the U.S.A., these nuts deliver consistent quality and dependable performance across coarse and fine-thread specifications.
- 11 assorted sizes
- Coarse and fine threads
- Nylon insert locking
- Vibration-resistant design
- U.S.A. manufactured
- MPN: DS-190521
- Drag Specialties brand
- Professional-grade fasteners






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