Description
When a secure, reliable fastening solution matters most, Allstar Performance has you covered with these precision-engineered Thin Nylon Insert Lock Nuts. Designed for tight spaces where standard nuts won’t fit, the nylon insert grips threads firmly to resist loosening from vibration — a must-have for any serious builder or racer. Stock up with this convenient 10-pack and keep your projects moving forward without interruption.
- Thread Size: 5/16-18
- Style: Thin profile
- Head Type: Hex head
- Locking: Nylon insert
- Material: Steel
- Finish: Zinc oxide coating
- Quantity: 10-pack
- Brand: Allstar Performance
- MPN: ALL16021-10
Whether you’re wrenching in the garage or prepping for race day, these thin nylon insert nuts deliver the dependable hold you need in a slim, space-saving design. A trusted name in motorsports, Allstar Performance builds these to meet the demands of real-world, high-performance applications.






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