Comprehensive Guide To T-Nuts (Part 2): Standard Classifications And Industry Applications

In the previous article, we covered the design features and material specifications of T-nuts. This article will delve into the standard classification systems for T-nuts, helping you make more accurate decisions during actual selection.

Standard Classifications of T-Nuts

Based on different application standards, T-nuts are mainly divided into two major categories: European Standard (Euro) and Chinese National Standard (GB).

1. European Standard T-Nuts

European standard T-nuts are suitable for aluminum profiles that comply with European standards. Materials generally include stainless steel and nickel-plated steel.

(1) Stainless Steel European Standard T-Nuts

30 Series: Common specifications include M5 and M6. Suitable for small to medium-sized frames. Typically used with 12mm long stainless steel bolts, offering good corrosion resistance.

40 Series: Includes M5 and M6 specifications. Suitable for medium-sized frames. Recommended to pair with 16mm long stainless steel bolts for improved load capacity.

45 Series: M6 and M8 specifications. Suitable for heavy-duty frames, providing stronger tensile strength and corrosion resistance.

(2) Nickel-Plated Steel European Standard T-Nuts

20 Series: M4 and M5. Suitable for small frame assemblies with high cost-effectiveness.

30 Series: M4, M5, M6. Suitable for medium-sized frames, meeting most application requirements.

40 Series: M4, M5, M6, M8 (Note: M8 is not suitable for 4040A light-duty aluminum profiles). Suitable for larger frames, providing high-strength connections.

45 Series: M4 to M8 specifications available. Suitable for structures requiring high strength.

2. Chinese National Standard (GB) T-Nuts

Chinese national standard T-nuts are suitable for aluminum profiles that comply with domestic Chinese standards. They are typically made of carbon steel with nickel plating, meeting general industrial assembly requirements with outstanding cost-effectiveness.

30 Series: Common specifications include M4 and M5. Suitable for national standard slot 6 series profiles, ideal for light-duty structural assembly.

40 Series: M5 and M6 specifications. Suitable for national standard slot 8 series profiles, capable of meeting medium-load connection requirements.

Conclusion

European standard and Chinese national standard T-nuts each have their own characteristics in terms of material, compatible profiles, specifications, and more. Users should select the appropriate T-nut based on actual load requirements, usage environment, and frame standards to ensure assembly stability and reliability.

T-nuts, with their efficient and stable characteristics, have become an important component of modern industrial assembly. From industrial automation equipment to building structures, from photovoltaic new energy to furniture manufacturing, T-nuts play a key role in various fields. As technology continues to innovate, their application scenarios will become even more widespread, bringing more possibilities to industrial production.