RHI Automotive 12×1.25 Closed End Spline 5 Lug 1.38" Black 20 Lugs 1 Key (8747K5-B)
RHI Automotive 12×1.25 Closed End Spline 5 Lug 1.38" Black 20 Lugs 1 Key (8747K5-B) is crafted from high-strength 1045 carbon steel, cold-forged and heat-treated to 10.9-grade hardness, ensuring long-lasting durability. The unique 18-point acorn design enhances torque distribution, reducing the risk of stripping and wear during installation.
This set includes 20 black lug nuts and 1 key, making it perfect for 5-lug vehicle wheels. Designed for extreme durability and protection, these lug nuts provide enhanced performance while maintaining their appearance, even after prolonged use.
Specifications and Dimensions
Thread Size: 12mm x 1.25
Length: 1.38 inches
Material: 1045 Carbon Steel
Exterior Finish: Black
Drive System: Spline
Includes: 20 lug nuts
Key Features and Benefits
18-point acorn design for better torque distribution
Cold-forged and heat-treated for enhanced strength
Includes 20 black lug nuts and 1 key for 5-lug wheels
Spline drive system for maximum wheel security
Product identification
- Brand: RHI AUTOMOTIVE
- Model / MPN: 8747K5-B






