DIN 6334 Hex Coupling Nut BZP Steel Metric Threaded Rod Connector Stud Joiner
Thread the rod in from both ends until they meet in the centre for full engagement and maximum joint strength.
Professional-grade, elongated fasteners essential for extending and joining metric threaded rods (studding) and studs across construction, engineering and manufacturing applications.
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DIN 6334 Standard
The recognised standard for elongated hexagon coupling nuts.
Extended 3x Body Length
Three times the nominal thread diameter, giving significantly more thread engagement than a standard hex nut.
Property Class 6
Minimum steel property class for a robust, load-rated connection.
Bright Zinc Plated Finish
General-purpose corrosion resistance.
Full Hexagon Profile
Allows tightening from either end with a standard open-end or socket spanner.
Full-Length Internal Thread
Lets two rod ends be wound in from opposite sides to meet centrally, or joins a continuous run of studding mid-length.
Full M5-M24 Range
Matching the most common metric threaded rod sizes used in construction and engineering.
Technical Specification
| Material | Steel |
| Finish | Bright Zinc Plated (BZP) |
| Standard | DIN 6334 |
| Type | Coupling Nut |
| M5 (Pitch/Width Across Flats/Length) | 0.8mm / 8mm / 25mm |
| M6 (Pitch/Width Across Flats/Length) | 1.0mm / 10mm / 18mm |
| M8 (Pitch/Width Across Flats/Length) | 1.25mm / 11mm / 24mm |
| M10 (Pitch/Width Across Flats/Length) | 1.5mm / 13mm / 30mm |
| M12 (Pitch/Width Across Flats/Length) | 1.75mm / 19mm / 36mm |
| M14 (Pitch/Width Across Flats/Length) | 2.0mm / 22mm / 42mm |
| M16 (Pitch/Width Across Flats/Length) | 2.0mm / 24mm / 48mm |
| M20 (Pitch/Width Across Flats/Length) | 2.5mm / 30mm / 60mm |
| M24 (Pitch/Width Across Flats/Length) | 3.0mm / 36mm / 72mm |
