Fragola Performance Systems 481812-BL-10 -12 AN Black Anodized Aluminum Tube Nut 10-Pack

The Fragola Performance Systems 481812-BL-10 is a 10-pack of -12 AN black anodized aluminum tube nuts designed for use with hardline tubing in high-performance fuel, oil, and fluid plumbing systems. These tube nuts are a critical component when terminating or connecting aluminum hardline, pairing with Fragola's matching tube sleeves (Series 819) for a leak-free, secure AN-style connection.

Key Features:

• AN Size: -12 AN (fits 3/4" aluminum hardline tubing)
• Material: Aerospace-quality anodized aluminum — lightweight and corrosion resistant
• Finish: Black anodized for a clean, stealth appearance and added surface protection
• Pack Quantity: 10 tube nuts per pack — ideal for multi-line builds and bulk projects
• Series: Fragola 818 Series Aluminum Tube Nut
• Compatible Sleeve: Use with Fragola 481912BL -12 Black Tube Sleeve (Series 819)
• Thread: Standard -12 AN (1-1/16"-12) male thread
• Designed for use with 37-degree flared aluminum hardline tubing
• Made in the USA

Fragola's 818 Series tube nuts are a staple in race car, street rod, and performance builds where rigid hardline plumbing is required. The black anodized finish matches black hose ends and fittings for a uniform, professional appearance throughout your plumbing system. Sold as a 10-pack, this is an excellent value for builders working on complete fuel, nitrous, or oil system installations.