D-screw gold-top chipboard screw flat head / pzd stainless steel a2 4.0 x 40 mm 19 pcs

Goldtop screws are ideal for mounting in materials such as hardwood. The name Goldtop refers to the gold -colored bastard film that has been applied to the tip of these screws. The lubrication film facilitates the turning. As well as the Nibs or cartels under the head of this State of the Art screws. Due to the head, the screw often lies on the surface of the material to be screwed, or slightly underneath. The screw is made of hardened, galvanized steel and has a sharp point and an extra hard head in addition to pre -drill.