RS PRO Black Steel Hex Socket Button Screw, Hex, M4 x 20 mm

These hexagon button head screws feature a low profile, rounded, dome-shaped head with a hexagon drive.
These fasteners are ideal when a wider bearing surface is required. Their black, self-colour finish ensures an attractive, quality appearance and finish wherever they are used.
Our RS PRO metric thread button head screws are produced in 10.9 grade black, self-colour steel.

Threaded in accordance with ISO 7380 standard