Its M2.5 stud screws into a tapped part or into another spacer; the next part is fixed by a M2.5 screw in its tapped end.
Nickel-plated brass: a good electrical conductor, with a silver finish that protects it from corrosion.
Material: leaded nickel-plated brass.
These hexagonal threaded spacers (male/female thread) come in several lengths so as to match your requirement precisely. The unit price of each pack is shown before you add it to the cart.

| Reference | LAI-MF-M2.5-SW5-L4.3-T4-100 |
|---|---|
| Type | Male-female |
| Material | Nickel-plated brass, leaded |
| Thread | M2.5 |
| Across flats | 5 mm |
| Body length | 4.3 mm |
| Stud length | 4 mm |
| Tapping | depth 2.5 mm |
| SVHC substance | Contains lead (CAS No. 7439-92-1), a substance of very high concern under the REACH Regulation, above 0.1 % by weight (Article 33). |