Description
The Phoenix USA 1-1/16″ Hex w/ 5/8″ ID Lug Nut (39946) is a crucial component for ensuring the secure mounting of your Alcoa aluminum wheels. This two-piece flange lug nut is engineered for a precise fit and reliable performance, offering peace of mind on the road. Its design incorporates a built-in washer to distribute clamping force evenly across the wheel surface, contributing to a stable and safe connection. This lug nut is also designed for compatibility with Phoenix USA’s hub cover systems, providing both functionality and a finished appearance to your wheels. Whether you are replacing a worn lug nut or ensuring proper installation of your Alcoa wheels, the Phoenix USA 39946 is a dependable choice.
KEY FEATURES AND BENEFITS:
- Precise Fit for Alcoa Wheels: Specifically designed with a 5/8″ inside diameter and thread pitch (5/8″ x 1.5) to match the studs on Alcoa aluminum wheels, ensuring a secure and accurate fit.
- Two-Piece Flange Design: Features an integrated flange and separate washer, which helps to distribute clamping pressure uniformly, reducing the risk of wheel damage and ensuring a tight, lasting connection.
- Optimal Hex Size: The 1-1/16″ hexagonal head allows for easy and effective tightening and loosening using standard lug wrenches or sockets.
- Compatibility with Hub Covers: Engineered to work seamlessly with Phoenix USA’s hub cover systems, allowing for both secure wheel mounting and the ability to install decorative or protective hub covers.
- Durable Construction: Likely manufactured from high-quality steel to withstand the stresses of wheel mounting and the rigors of road use, offering long-lasting reliability. Some variations may include stainless steel components for enhanced corrosion resistance.
SPECIFICATIONS:
- Part Number: 39946
- Hex Size: 1-1/16″
- Inside Diameter (ID): 5/8″
- Thread Pitch: 5/8″ x 1.5
- Type: 2-Piece Flange Lug Nut (with integrated washer)
- Material: Primarily steel (potential for stainless steel covers or components in some variations)
- Intended Use: Alcoa aluminum wheels, potentially compatible with specific 17.5″ trailer wheels (e.g., 661401)
HOW TO USE:
- Ensure Proper Wheel Alignment: Position the Alcoa aluminum wheel correctly onto the wheel studs.
- Hand-Tighten the Lug Nut: Place the Phoenix USA 39946 lug nut over a wheel stud and hand-tighten it clockwise until it is snug against the wheel. Repeat this for all lug nuts on the wheel.
- Use a Torque Wrench: Consult your vehicle or wheel manufacturer’s specifications for the correct torque value. Using a torque wrench with a 1-1/16″ socket, tighten each lug nut in a star pattern (opposite nuts tightened sequentially) to the specified torque. This ensures even pressure distribution.
- Re-Torque After Initial Use: After driving a short distance (typically 50-100 miles), it is recommended to re-check and re-torque the lug nuts to ensure they have not loosened.
- Inspect Regularly: Periodically inspect your lug nuts for any signs of damage, corrosion, or loosening. Replace any damaged or worn lug nuts immediately.
BENEFITS OF USING THE PHOENIX USA 1-1/16″ HEX W/ 5/8″ ID LUG NUT (39946):
- Reliable Wheel Attachment: Provides a secure and dependable connection between your Alcoa aluminum wheel and the vehicle’s hub, ensuring safety and stability while driving.
- Even Pressure Distribution: The flanged, washered design helps to distribute clamping force uniformly, minimizing the risk of damage to the aluminum wheel and maintaining a tight fit.
- Seamless Hub Cover Integration: Designed to be compatible with Phoenix USA’s hub cover systems, allowing for the addition of wheel aesthetics or protection without compromising the security of the wheel attachment.
- Ease of Installation and Maintenance: The standard 1-1/16″ hex allows for straightforward installation and removal using common tools, simplifying wheel changes and maintenance.
- Long-Lasting Performance: Constructed from robust materials, this lug nut is built to withstand the demands of regular use and provide consistent performance over time.
FEATURES:
- Integrated Flange: Offers a wider contact area with the wheel compared to standard lug nuts.
- Separate Washer Included: Ensures even pressure application during tightening.
- Specific Thread Compatibility: Machined with a 5/8″ x 1.5 thread pitch for direct compatibility with Alcoa wheel studs.
- Standard 1-1/16″ Hex Head: Facilitates easy tightening and loosening with common tools.
- Designed for Alcoa Aluminum Wheels: Engineered specifically for the material and design of Alcoa wheels.
- Potential Stainless Steel Accents: Some variations may feature stainless steel covers for enhanced appearance and corrosion resistance.
- Part of Hub Cover System: Designed to work in conjunction with Phoenix USA hub covers for a complete wheel solution.






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