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DMC CoC-OEM Class Markings for Weld Nuts

Certificate of Conformance

At Decker Manufacturing, we are committed to providing our customers with the highest quality weld nuts. That’s why we are proud to present at Certificate of Conformance (CoC) for OEM Specifications.

When you choose us, you can be confident that you’re getting:

  • Reliable performance: Our weld nuts are designed and manufactured to meet the highest standards for strength, durability, and functionality.
  • Application versatility: Our CoC-OEM certification ensures our weld nuts are suitable for a wide range of applications in the automotive, truck, construction, and other industries.
  • Peace of mind: With our CoC-OEM certification, you can be assured that the markings on our weld nuts accurately reflect their material properties and performance characteristics.


The CoC-OEM certification signifies that our Albion, Michigan facility manufactures weld nuts that strictly adhere to:

  • Original Equipment Manufacturer (OEM) specifications: We ensure our weld nuts meet the specific requirements set forth by automotive manufacturers and other industry leaders.
  • Customer-mandated specifications: We understand the unique needs of each customer and can manufacture weld nuts according to their specific requirements.