Product Description
M8 & M10 Copper Flashed Self-Locking Flanged Manifold Nuts
Copper-flashed steel flange nuts with an oval-top self-locking design, intended for exhaust manifold studs and similar applications. Available with M8 × 1.25 and M10 × 1.5 standard metric coarse threads.
The M8 size is offered with either a 10mm or 12mm spanner size. Choose the version that suits the available tool clearance and original fitting specification.
Specifications
| Product type | Self-locking flanged manifold nut |
|---|---|
| Material | Steel |
| Finish | Copper flashed |
| Locking design | Oval-top all-metal self-locking |
| Nut style | Hexagon with integral flange |
| Thread type | Metric coarse |
| Typical application | Exhaust manifold studs and similar assemblies |
Available Thread and Spanner Options
| Thread Size | Pitch (mm) | Spanner Size Across Flats |
|---|---|---|
| M8 | 1.25 | 10mm |
| M8 | 1.25 | 12mm |
| M10 | 1.50 | Not specified |
Both M8 versions have the same M8 × 1.25 thread. The 10mm and 12mm options refer to the external spanner size.
Key Features
- Steel construction with a copper-flashed finish.
- Oval-top self-locking design.
- Integral flange provides a wider bearing surface.
- M8 and M10 metric coarse thread options.
- Choice of two spanner sizes for M8 nuts.
Typical Applications
- Exhaust manifold stud connections.
- Vehicle exhaust maintenance and restoration.
- Similar assemblies specifying this nut type and thread size.
Pack Sizes and Ordering
Available pack quantities: 1–10 individually selectable, plus 20 and 50. Select M10, M8 with a 10mm spanner size, or M8 with a 12mm spanner size.
Each pack contains the selected version. Supplied as nuts only; studs are not included.
Standards
No specific DIN, BS or ISO manufacturing standard, property class or temperature rating has been verified for this listing.
