Special Imperial-thread Seatbelt Screw

 High Strength for Safety

The Special Imperial-thread seatbelt screw are grade 8.8 high-strength parts. They are a key safety piece that fixes the seat belt to the car body. We make these Special Imperial-thread seatbelt screw with our own cold heading machine. This gives high precision and stable strength. They are made only for seat belt mounting spots. The strength grade is 8.8. The tensile strength is ≥800 MPa. The yield strength is ≥640 MPa. These numbers are much higher than normal bolts. In pull tests, these product do not break or strip threads.

Right Size and Rust Protection

The common size is M10×1.25. For heavy trucks or race cars, we have M12×1.25. These fit most cars. The surface has zinc plating or a DACROMET coating. It resists salt spray for 72 hours with no rust. This works well for coastal areas and export. The mounting torque is standard. For M10, use 45±5 N·m. For M12, use 70±5 N·m. We include a paper guide. This stops over-tightening (break) or under-tightening (loose). The thread is very precise. It turns in smoothly with no jamming. Car factory lines give us good feedback.

Tested and Trusted by Big Brands

These bolts are used for seat belt fixing points. This directly affects crash safety. We check the strength of each batch. Our Special Imperial-thread seatbelt screw are used by Yutong, Chery, FAW, and Foton. They are also sold to the aftermarket in Europe and America. These product give you high strength, high precision, high rust protection, and standard torque. They are the smallest but most important safety part.

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