40400S Key Lug Wheel Lock Set Bulge Acorn Locking Nut 359 1/2-20

( Manufacturer Part Number: 40400S ), ( Part Type: Wheel Lock ), ( Brand: Exc ), ( Manufacturer Warranty: Yes ), ( Finish: Chrome ), ( Placement On Vehicle: Left, Right, Front, Rear )

Review Key #359 Lug Wheel Lock Nuts Set 1/2 Inch Chrome Bulge Acorn Locking Nut 1/2-20

Introducing the EXC 40400S Key 359 Lug Wheel Lock Nuts Set, a top-tier solution for securing your wheels against unauthorized removal. These are not your average nuts; they come equipped with a 1/2 bulge acorn locking design that adds an extra layer of protection to your vehicle.

The EXC 40400S set includes a total of six locking nuts, each measuring 1/2-20 in thread size. These nuts are specifically designed for 359 lug bolts, making them an ideal fit for most late-model cars and trucks.

Each nut in this set boasts a distinctive 1/2 bulge acorn locking design. This design features a recessed, conical head that helps to prevent the nut from being loosened without the appropriate key. The key is required to press the conical head inward, allowing the nut to be tightened or loosened.

The EXC 40400S locking nuts are manufactured from high-strength steel, ensuring they can withstand the rigors of daily driving. Their corrosion-resistant finish provides additional protection against the elements, ensuring a long service life.

Installing these locking nuts is a straightforward process. Simply replace your existing lug nuts with these secure alternatives. Once installed, the key is provided for safekeeping. Use the key to tighten or loosen the nuts as needed, giving you peace of mind knowing that your wheels are securely fastened to your vehicle.

In summary, the EXC 40400S Key 359 Lug Wheel Lock Nuts Set is a must-have accessory for anyone concerned about wheel theft or theft prevention. With their 1/2 bulge acorn locking design, high-strength steel construction, and corrosion-resistant finish, these locking nuts provide unparalleled security for your vehicle's wheels.

Pros and Cons of Buying 1/2 Bulge Acorn Locking Nut Set (Excl. 40400S Key 359 Lug Wheel Lock Nuts)

The 1/2 bulge acorn locking nut set (excl. 40400S key 359 lug wheel lock nuts) is a popular choice for securing wheels on vehicles. This type of nut is known for its distinctive bulge design and the use of a key to tighten and loosen it. In this article, we will discuss the advantages and disadvantages of purchasing this nut set.

1. Enhanced Security: The use of a key to tighten and loosen the nuts makes it difficult for unauthorized individuals to access the wheels. This added security feature is especially important for commercial vehicles, high-performance cars, or applications where wheel theft is a concern.

2. Durability: The bulge design of the nut allows for a larger contact surface area with the wheel, which can help distribute the load evenly and prevent the nut from cracking or stripping.

3. Easy Installation: The use of a key to tighten the nuts makes the installation process easier, as it allows for better control and precision. Additionally, the set typically comes with a matching key, which makes it convenient to keep with the vehicle for future use.

1. Cost: The use of a keyed system adds to the cost of the nut set, making it more expensive than traditional hex-head nuts.

2. Limited Availability: Due to the specialized design of the nut, they may not be readily available at all auto parts stores, which could result in additional time and effort to locate and purchase.

3. Complexity: The use of a keyed system adds an extra layer of complexity to the installation process, which could be a drawback for those who are not mechanically inclined or do not have access to the necessary tools.

In conclusion, the 1/2 bulge acorn locking nut set (excl. 40400S key 359 lug wheel lock nuts) offers enhanced security, durability, and ease of installation. However, it comes with some drawbacks, including cost, limited availability, and increased complexity. Ultimately, the decision to purchase this nut set depends on the individual's specific needs and priorities. If security is a top concern, the benefits of this nut set may outweigh the drawbacks. However, for those on a tight budget or who prefer a more straightforward installation process, traditional hex-head nuts may be a better choice.

Details:

Finish: Chrome. All tires must not be driven on. This listing is for 4 1/2 ACORN LUG NUTS LOCK AND KEY. Thread Size: 1/2.

Triple Chrome. Treatment: Heat Treated. Hex Size: 3/4 13/16. Seat Type: 60 Degree Cone.

Please insure the item fully to protect yourself from damages shipping carrier.

part #: 40400s prices

• $10.88-$17.95

specifications fastenerface:

• mpn: 40400s
• part type: Wheel Lock
• brand: Exc
• manufacturer warranty: Yes
• finish: Chrome
• placement on vehicle: Left, Right, Front, Rear

offer fastenerface:

• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 2
• started: September 1, 2025

returns fastenerface:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

shipping fastenerface:

• transit: 4-9 Days
• type: Fixed
• carrier: USPS
• cost: $0.00
• service: Standard, Expedited, USPS Priority Mail
• class: Standard, Expedited

payments fastenerface:

• wallet: Google-pay
• credit card: Diners-club
• other

general fastenerface:

• Car Truck Parts Accessories > Wheels, Tires Parts > Wheel Nuts, Bolts Studs
• condition: New

seller fastenerface:

• city: Alameda, California
• # reviews: 33662
• rating: 99.3%

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