M12x1.5 Spline Lug Nuts

J&W Auto Part M12x1.5 Spline Lug Nuts provide enhanced security and anti-theft performance through a special spline structure design. 
The head of the product features a six-lobed flower-shaped structure, which cannot be removed with a regular wrench and must be used with a special socket. This design is similar to a "dedicated lock" for the wheel hub, effectively reducing the possibility of unauthorized removal. 
Furthermore, we have added a double anti-loosening mechanism to the structure, ensuring that the M12x1.5 Spline Lug Nuts maintain a stable and tight fit in complex road conditions and high-speed driving environments.

Core Structure and Technological Advantages

1. Anti-theft Spline Structure Design

Six-petal flower-shaped spline head
Requires special tools for installation and removal
Enhances wheel hub security
Reduces the risk of theft
Compared to traditional hexagonal nuts, M12x1.5 Spline Lug Nuts are more common in the aftermarket and high-end vehicles.

2. Dual Anti-loosening Safety System

This product adopts a dual anti-loosening design:
Inner layer structure:
Spring washer enhances the locking force
Improves vibration resistance
Prevents high-speed loosening
Outer layer structure:
Nylon anti-loosening ring
Reduces the impact of vibration
Improves long-term stability
This combination structure is suitable for rough roads, off-road environments, and long-term high-frequency use.

3. High-strength Alloy Steel Material

We use high-quality alloy steel to manufacture M12x1.5 Spline Lug Nuts:
Heat-treated for quenching
Enhanced strength and fatigue resistance
Improved resistance to deformation
Stable hardness
Compared to ordinary carbon steel nuts, they are more suitable for high-load conditions.

4. High-Precision Thread Machining

Precision cold heading and CNC machining
Tight thread fit
Reduces high-speed vibration
Smoother installation
Precisely matches original wheel hub threads, reducing the risk of damage.

5. Corrosion-Resistant Surface Treatment

Zinc plating or electroplating
Resistant to salt spray corrosion
Suitable for humid environments
Extended service life
More stable performance in coastal and rainy/snowy areas.

Product Specifications

Compatible Vehicle Models and Applications

J&W Auto Part M12x1.5 Spline Lug Nuts are suitable for a variety of mainstream vehicle brands, such as:
Toyota
Ford
Chevrolet
Geely
Haval
No modifications to the vehicle's wheel structure are required; the installation method is the same as the original factory installation.

Installation Recommendations

To ensure stable use of the M12x1.5 Spline Lug Nuts, we recommend:
Confirm that the vehicle's thread specification is M12x1.5
Use a dedicated socket for installation
Tighten to the specified torque
Regularly check the tightness
This will reduce stripping and structural damage.

Why Choose J&W Auto Part

1. Extensive Production Experience

Our factory is located in Ningbo, Zhejiang, covering more than 10 acres, and has:
12 large cold heading machines
20+ machining centers
Automatic electroplating production line
Large stamping equipment
We have long focused on the production of wheel fasteners, providing a stable supply to customers worldwide.

2. Advanced Manufacturing Equipment

Leveraging a modern production system, we are able to:
Control dimensional accuracy
Improve batch consistency
Shorten delivery cycles
Meet OEM requirements.

3. 5S Production Management

Implementing 5S on-site management:
Improve production efficiency
Reduce error rates
Ensure product stability
Ensure consistent quality of every batch of M12x1.5 Spline Lug Nuts.