J&W Auto Part's M12x1.25 Ball Seat Wheel Lug Bolts are specifically designed for vehicles requiring ball seat fitment.
They effectively prevent wheel rim loosening, and their precise thread machining significantly reduces the risk of wear during installation. Whether commuting in the city or driving at high speeds, this product maintains a stable preload.
| Parameter Item | Specification Details |
|---|---|
| Brand | J&W Auto Part |
| Product Name | M12x1.25 Ball Seat Wheel Lug Bolts |
| Thread Size | M12 x 1.25 |
| Seat Type | Ball Seat (R12/R13/R14 available) |
| Material | High-grade Carbon Steel / Alloy Steel |
| Grade | 10.9 / 12.9 Grade High Strength |
| Surface Treatment | Chrome, Zinc, Black Oxide, or Dacromet |
| Hex Size | 17mm / 19mm |
| Manufacturing Process | Cold Heading & Precision Machining |
J&W Auto Part is located in Ningbo, Zhejiang Province, with a factory covering more than 10 acres and employing over 100 experienced technical workers and production management personnel.
1. Advanced Equipment Support: We are equipped with 12 large cold heading machines and over 20 precision machining centers, ensuring the production efficiency and consistency of M12x1.25 Ball Seat Wheel Lug Bolts.
2. Fully Automated Electroplating Line: Unlike small-scale outsourcing, we have our own automated electroplating production line, which can precisely control the plating thickness and improve the salt spray test performance of our products.
3. Lean Management: The factory fully implements the 5S management system, optimizing production processes, reducing scrap rates, and ensuring the quality stability of M12x1.25 Ball Seat Wheel Lug Bolts from the source.
4. Rigorous Testing: We conduct hardness testing, tensile strength testing, and go/no-go gauge checks on every batch of M12x1.25 Ball Seat Wheel Lug Bolts, conforming to the TZZB 1669-2020 industry standard.
Extensive Industry Experience: Decades of experience in automotive fastener manufacturing have given us a deep understanding of wheel compatibility for different vehicle models.
High Customization: In addition to standard specifications, we can customize M12x1.25 Ball Seat Wheel Lug Bolts with different lengths and surface finishes according to customer needs.
Supply Chain Advantages: Located in the port city of Ningbo, we have a mature raw material supply chain and convenient sea freight logistics, effectively shortening delivery cycles.
Q1: How can I confirm whether my car is suitable for M12x1.25 Ball Seat Wheel Lug Bolts?
A: You need to confirm that the original bolt thread specification is M12x1.25, and that the wheel hub bolt hole is a ball seat, not a cone/taper seat. European models such as Mercedes-Benz and Audi typically use ball seats.
Q2: What is the strength grade of J&W Auto Part bolts?
A: Our M12x1.25 Ball Seat Wheel Lug Bolts are standard grade 10.9, and we can provide higher strength grade 12.9 products upon customer request.
Q3: Do you provide samples for testing?
A: Yes, J&W Auto Part welcomes buyers to conduct quality assessments. You can contact our sales team to obtain samples.
Address
No.539 Guangyi Road, Guanhaiwei Town, Cixi, Ningbo, Zhejiang, China
