Screws, Bolts & Fasteners
Nut
Nut for CNP pumps, used in 1 CNP series and listed in Stainless steel.
- M thread size
- s width across flats
- m thickness
What it is
A nut that locks impellers or parts on the shaft.
How it works
Threads onto the shaft and clamps the stack.
- Part group
- Screws, Bolts & Fasteners
- Used in
- 1 CNP series
- Materials
- Stainless steel
- Standard
- AISI304
- Supply
- Quoted per pump model
Signs it needs replacing
- Damaged thread
- Loosening
Selection & fitting tips
- Check thread direction
- Replace locking elements
What to send us to order
Thread size, quantity.
We identify the exact part for your pump and reply with price and delivery.
Request a quotationSeries that use the nut
| Series | Listed as | Material | Standard | Fits sizes | |
|---|---|---|---|---|---|
| CM | Nut | Stainless steel | AISI304 | All sizes |
Catalogue dimensions
Metric coarse thread reference (ISO 261 / ISO 273) (4 rows)
| Thread | Pitch (mm) | Tap drill Ø (mm) | Clearance hole Ø, medium (mm) |
|---|---|---|---|
| M6 | 1 | 5 | 6.6 |
| M8 | 1.3 | 6.8 | 9 |
| M10 | 1.5 | 8.5 | 11 |
| M12 | 1.8 | 10.2 | 13.5 |
Standard values for coarse threads.
Hexagon nut M10 (ISO 4032) (3 rows)
| Thread | Width across flats s (mm) | Max. thickness m (mm) |
|---|---|---|
| M8 | 13 | 6.8 |
| M10 | 16 | 8.4 |
| M12 | 18 | 10.8 |
Standard dimensions for style 1 hexagon nuts.
Related parts
How to order. Send us the pump model code (from the nameplate) and the quantity. We identify the exact part for your pump and reply with price and delivery. Use the part finder if you only know the model.