BONOSS Steel-Core Locking Wheel Bolts with Aluminum Cap (Ball Seat)

The Forged Grade 12.9 Shell-Type Locking Wheel Bolt Kit is engineered for drivers who demand maximum wheel security, structural strength, and refined visual detail. Featuring a high-strength steel core combined with a replaceable anodized aluminum shell, this two-piece design delivers professional-grade performance with customizable aesthetics.

Designed for daily driving and high-load applications alike, this locking wheel bolt system enhances both safety and appearance without compromising structural integrity.

Key Features

• High-Strength Steel Core (Load-Bearing)

The internal wheel bolt is manufactured from forged Grade 12.9 alloy steel, offering exceptional tensile strength, fatigue resistance, and long-term durability. This steel core is the sole load-bearing component, ensuring reliable clamping force under all driving conditions.

1. Grade 12.9 high-strength alloy steel
2. Excellent resistance to shear, impact, and fatigue
3. Suitable for performance and daily-use vehicles

• Shell-Type Aluminum Cap Design (Cosmetic)

The outer shell is crafted from forged aluminum alloy and finished with a high-quality anodized coating. This shell is non-load-bearing and designed purely for appearance and surface protection, allowing easy color customization without affecting safety.

1. Anodized aluminum shell
2. Multiple color options available (Black, Gray, Red, Silver, Purple, Deep Blue, Blue, Gold)
3. Protects the steel bolt from surface wear and corrosion

• Integrated Locking Protection

This kit includes dedicated locking wheel bolts and a matching security key, significantly reducing the risk of wheel theft. The unique locking profile adds an additional layer of protection beyond standard wheel bolts.

1. Anti-theft locking bolts
2. Matched security key included
3. Discreet design, OEM-friendly appearance

🔧 Applications

Fit for

BMW: 1 / 2 / 3 / 4 / 5 / 7 Series (incl. M models), X3 / X4 / X5 (incl. M), Z4
2002–2025

Mercedes-Benz: A-Class, C-Class (C63), E-Class (E63), S-Class, CLA (CLA45), CLS, GLC (GLC63), GLE (GLE63), G-Class (W463), SL / AMG GT 2002–2025

Audi: A3 / A4 / A5 / A6 / A7 / A8 (S & RS models), Q3 / Q5 / Q7, TT / TTS / TTRS
2003–2025

Volkswagen: Golf GTI / R, Jetta / GLI, Passat, Arteon, Tiguan, Touareg, Scirocco, Polo GTI, ID.3 / ID.4, Transporter T6 2003–2025

Porsche: 911 (997 / 991 / 992, GT3, Turbo), Cayman, Boxster, Panamera, Macan, Cayenne, Taycan, 718 GT4 / Spyder 2003–2025

MINI: Cooper / Cooper S / JCW, Clubman, Countryman, Convertible, Paceman, Electric MINI 2007–2025

Lamborghini: Gallardo, Huracán, Aventador, Urus 2003–2025

Alfa Romeo: Giulia, Stelvio, Giulietta, 159, 4C 2005–2025

Please verify thread size, seat type, and bolt length before ordering.

Technical Specs

Thread size: M14x1.5

Seat Type: Ball

Length: 28mm / 37mm / 42mm / 47mm

NOTE: 

1. The price is for (1 set) BONOSS forged grade 12.9 shell type wheel lock & bolt kit, which includes 20pcs wheel bolts + 20pcs shells + a hex 19mm socket + 4pcs locking bolts + a lock key. For a better shopping experience, please confirm your vehicle model and the year of production before purchasing. Our friendly customer service will help you solve any question.
2. Some modified wheels may have exclusive bolts. The length of seat of these bolts may be different from the factory car. It is recommended to determine the bolt seat and bolt length before purchasing.
3. The shell will fade when exposed to alkaline or corrosive liquids, which is not covered by the 10 years warranty.

Why Aumotor?
✅ 10-Year Warranty
✅ Free Locking Socket – Included for quick installation and theft protection.
✅ Global Express Shipping – DHL/FedEx priority delivery in 5 days.