Hilti Coupling Nut Metric
Document Number: 2476994-2025.08.05
Product Specifications
| Product | Coating | Coupling Nut Type | Thread Size | Lrec | tinst | SW (mm) |
|---|---|---|---|---|---|---|
| M8 | Zn HDG A4 |
Coupling nut M8 | M8 | ≥10 mm | 3 Nm | 14 mm |
| M10 | Zn HDG A4 |
Coupling nut M10 | M10 | ≥13 mm | 5 Nm | 14 mm |
| M12 | Zn HDG A4 |
Coupling nut M12 | M12 | ≥15 mm | 8 Nm | 19 mm |
Installation Overview
Step 1: Preparation
Insert the threaded rod into the base material. Ensure the rod protrudes by the required length Lrec. A person icon with a warning symbol ⚠️ is shown, indicating caution is needed.
Step 2: Initial Attachment
Thread the coupling nut onto the rod. The diagram shows the nut engaged, with a 0mm clearance to the base material and the wrench size (SW) indicated for tightening.
Step 3: Securing the Connection
Thread a second coupling nut onto the rod to secure the connection. A red zigzag line indicates the thread engagement [thread].
Step 4: Final Check
The final assembly is shown with the coupling nut secured. The coatings for the components are specified as Zn, HDG, and A4. An eye symbol ? indicates a visual inspection is recommended.
