Its M4 stud screws into a tapped part or into another spacer; the next part is fixed by a M4 screw in its tapped end.
Zinc-plated steel: strong, protected from rust by its zinc coating.
Material: zinc-plated steel.
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 | ZIN-MF-M4-SW8-L8-T8-100 |
|---|---|
| Type | Male-female |
| Material | Zinc-plated steel |
| Thread | M4 |
| Across flats | 8 mm |
| Body length | 8 mm |
| Stud length | 8 mm |
| Tapping | depth 5 mm |