Truck wheel bolts come in a variety of sizes and styles, and the specific type that is required for a particular truck will vary depending on the make, model, and year of the vehicle. It is important to use the correct type of wheel bolts for a truck, as using the wrong type could result in a loss of wheel control or even an accident.

Truck wheel bolts are made from high strength steel, and the strength grade can be found at the head of the wheel bolts. The strength grade consists of two parts in a form of X.Y. Commonly used grades on truck wheel bolts are 8.8, 10.9 and 12.9. The meanings represented by these number are explained below. Let’s take 8.8 for example. 8 indicates the tensile strength of the bolt, which in this case is 800Mpa, and the Yield to Strength ratio is 0.8. So, the yield strength of this bolt is 800*0.8=640Mpa. Let’s move on to 10.9 grade. Here 10 means the tensile strength is 1 000Mpa, and the Yield to Strength ratio is 0.9, thus a yield strength of 1000*0.9=900Mpa.

Here are some of the important things to know about your truck wheel bolts:

Length: The length of the wheel bolt is important to ensure that it reaches through the wheel and into the axle. The correct length will be specified in the truck's owner's manual.

Threads: The threads on the wheel bolt must match the threads on the axle. The most common type of thread is metric, but some trucks use SAE threads.

Head style: The head style of the wheel bolt is important for compatibility with the socket wrench that will be used to tighten it. The most common head styles are hex, spline, and conical.

Torque: The wheel bolts must be tightened to a specific torque, which is specified in the truck's owner's manual. Over-tightening or under-tightening the bolts can cause problems, such as wheel vibration or premature wheel bearing wear.

It is important to regularly inspect truck wheel bolts for signs of wear and damage. If a wheel bolt is damaged, it should be replaced immediately. Failure to do so could result in a loss of wheel control or even an accident.

Here are some of the signs of wear and damage that should be looked for when inspecting truck wheel bolts:

• Rust: Rust can weaken the bolt and make it more likely to break.

• Cracks: Cracks can occur in the bolt head or shank.

• Thread damage: The threads on the bolt can be damaged due to over-tightening or improper installation.

• Looseness: The bolt may be loose, which can cause the wheel to wobble.

If any of these signs of wear or damage are found, the wheel bolt should be replaced immediately.

Here are some tips for properly installing truck wheel bolts:

• Use the correct type of wheel bolt for the truck.

• Make sure the wheel bolts are clean and free of rust or dirt.

• Apply the correct amount of torque to the wheel bolts.

• Torque the wheel bolts in a star pattern.

• Do not over-tighten the wheel bolts.

By following these tips, you can help to ensure that your truck's wheel bolts are properly installed and that your wheels are secure.

We are Shandong Hangtang Machine Co., Ltd. Our company is located in Ji'nan City, Shandong province, where Sinotruk's headquarter is based. For the past 15 years, we have been exporting trucks and parts for customers from Africa, America, Asia and Europe. We win our customers' trust not only by quality yet moderately-priced products but also our services. 

If you are looking for parts for Howo, FAW, Shacman, Foton, Beiben or Sinotruk, you are in the right place! Please feel free to contact us. We believe you are going to be our next happy customer.