12.9 grade studs

High quality studs are very important to the car. We specially choose 12.9 grade studs and use thermal processing to ensure the strength and hardness of the studs and provide safety for driving.

6061-T6 aluminum alloy

Our products are forged from 6061-T6 aluminum alloy, and each product is treated with surface oxidation, which greatly enhances the hardness and corrosion resistance of the products.

CNC automatic processing

We use CNC automatic processing technology to ensure the high precision and stability of each product, so that it can be perfectly installed in your vehicle,Giving your vehicle a more aggressive appearance,last the life of your vehicle.

SGS Test

These nuts pass the 240 hours neutral salt spray test without damaged. The bolts pass the standard tensile strength test to ensure the hardness and toughness.

If your OEM studs are longer than the thickness of the spacers

• Or Make sure the wheels have the open cavities between mounting holes.
• Or Purchase a set of new shorter studs.
• Or Shorten the OEM studs by grinding them down.

How to measure the fender gap to choose suitable thickness?

• Use the measuring device to measure from the outer of the tire to the inner fender lip,take the minimum gap after repeated measurements.
• To avoid touching and causing friction, the thickness of spacers should be less than the fender gap,(The maximum thickness of spacer =the minimum fender gap - 12mm ) is recommended.