Advantages of BONOSS Forged Grade 12.9 Shell Type Lock Wheel Bolts
Since they are relatively small parts under extremely large forces, and they are absolutely critical to holding the wheel on your customer’s vehicle, the material is quite important. BONOSS shell bolts applied Japanese Standard SCM440 steel material, which features many desirable properties such as high strength, wear-resistance, excellent toughness, impact resistance, and high-temperature resistance. The shell applied forged 7075-T6 Aluminum alloy for high-strength and excellent toughness meanwhile maintain lightweight for extreme performance improvement.
We know these wheels are very valuable for you. This is why we have designed these lock bolts with an irregular outer diameter shape head which requires a special key tool to loosen and remove. They come with an anti-theft function to defend criminals from stealing your wheels.