DIN6334 HEXAGON COUPLING NUTS

Core Info

 

Product:DIN6334 HEXAGON Coupling nuts

Raw material: Q195,SWRCH35K/45K,etc.

Surface: Plain,zinc plated

Specification Range: M6-M24

Property Class:8,10

 

DIN is the German Industrial Standard, with its core usage areas as follows:

1. Core German-speaking regions: DIN 6334 is the standard for engineering, infrastructure, and machinery across Germany, Austria, and Switzerland.

2. Entire European Union: Countries such as France, Italy, Spain, Poland, Czech Republic, Hungary, Netherlands, and Nordic nations (Sweden, Denmark, Finland) extensively adopt this standard for European mechanical equipment, steel structures, pipelines, and curtain wall projects.

3. Eastern Europe, Balkans, and Turkey: Fasteners directly use the DIN system.

4. Middle East, North Africa, and Southeast Asia: European-assisted construction projects, foreign-invested factories widely procure DIN 6334.

5. China: It is the main model for export fasteners. Domestically, it is widely used in European-style equipment, steel structures, central air conditioning, curtain walls, and lifting equipment.

6. Equivalent alternatives: Internationally equivalent to ISO 8992; American equipment uses ASME B18.2.2 (inch-threaded nuts, non-interchangeable dimensions).

DIN6334 is a hexagonal, fully threaded, elongated coupling nut. The standard total length equals three times the nominal thread diameter (3D). It features through internal threads at both ends and a hexagonal outer contour for wrench or socket tightening.

Core Functions

1. Screw Rod Extension and Splicing: Insert and lock two sections of same-specification threaded rods, double-ended bolts, or anchor bolts to extend the screw rod length without needing custom ultra-long screws, thereby reducing inventory costs.

2. High-Strength Rigid Coupling: With a much larger engagement area than ordinary nuts, it offers strong resistance to vibration and tension, preventing loosening, making it suitable for heavy-duty tension structures.

3. Height Limiting / Spacer: Acts as equipment shims, spacers, and installation positioning supports.

4. Assembly Fine Adjustment: Rotating the nut allows slight adjustment of the overall rod length to accommodate on-site installation dimensional errors.

Established in 2005, our company has evolved over two decades of continuous development into a leading regional enterprise in the fastener industry with fully automated end-to-end production. With an annual output value exceeding RMB 130 million, our product range covers diverse market segments from mid-range to high-end and is distributed worldwide

 

Our factory & quipment

 

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