Allstar Performance Serrated Flange Nuts 3/8-16 10pk ALL16042-10

When you need a fastener that stays put no matter what, Allstar Performance has you covered. These serrated flange nuts deliver a rock-solid, self-locking grip that resists loosening from vibration — perfect for race cars, builds, and any high-performance application where reliability is non-negotiable. Stock up with this convenient 10-pack and keep your project moving forward without interruption.

• Part Number: ALL16042-10
• Type: Serrated flange nut
• Thread Size: 3/8-16
• Head Style: Hex head
• Locking: Yes — serrated flange
• Material: Steel
• Finish: Natural
• Quantity: Set of 10

Whether you're wrenching in the garage or prepping for race day, these nuts offer dependable holding power you can trust. The serrated flange bites into the mating surface to create a secure, vibration-resistant connection without needing a separate washer — saving you time and keeping things clean. A must-have addition to any serious builder's hardware stash.