RS PRO Plain Steel Hex Socket Countersunk Screw, Hex Socket, M4 x 20 mm

RS PRO hexagon socket countersunk screws are an excellent choice when you need a fastener to sit flush or below the surface of your material.
These popular metric thread countersunk screws are produced in 10.9 grade steel and are designed for light duty applications where space is limited. These fasteners have a black finish which ensures an attractive, quality appearance and finish wherever they are used.
These screws fasteners can be tightened or undone using an Allen key.

Threaded in accordance with DIN 7991