Product Description
Metric Brass Round Slotted Nuts DIN 546 – M3, M4 and M5
Brass round slotted nuts to DIN 546, available in M3, M4 and M5 metric coarse threads. The circular body and slotted face allow tightening with a suitable slotted nut screwdriver, providing a compact fastening for small mechanical assemblies, instruments and maintenance work.
The round profile offers an alternative to a conventional hexagon nut where access is available from above. Each size has a standard right-hand metric thread for use with matching screws, bolts or threaded studs.
Specifications
| Product type | Round slotted nut |
|---|---|
| Standard | DIN 546 |
| Material | Brass |
| Thread type | Metric coarse |
| Thread direction | Right-hand |
| Available sizes | M3, M4 and M5 |
| Drive | Slotted face |
Sizes and Dimensions
| Thread size | Thread pitch | Outside diameter | Nut height | Minimum slot depth |
|---|---|---|---|---|
| M3 | 0.50mm | 6mm | 2.5mm | 1.0mm |
| M4 | 0.70mm | 8mm | 3.5mm | 1.2mm |
| M5 | 0.80mm | 9mm | 4.2mm | 1.5mm |
Outside diameters and heights are nominal DIN 546 dimensions and are subject to manufacturing tolerances.
Key Features
- Brass construction with a natural brass appearance.
- Compact circular body with a slotted driving face.
- Metric coarse threads in M3, M4 and M5.
- Suitable for small mechanical assemblies, instruments and repair work.
Selection and Installation
Match the nut diameter and thread pitch to the mating fastener. Use a correctly fitting slotted nut screwdriver that engages the slot securely and clears the protruding screw or stud. Tighten carefully to avoid damaging the brass thread or driving slot.
Pack Sizes
Available in packs of 1, 5, 10, 20, 50, 100, 250, 500 and 1000. Select the required thread size and pack quantity from the options.
Standards
- DIN 546 – round slotted nuts.
- DIN 3115 – screwdriver reference for slotted round nuts.
