Spectre Advanced 5.0 x 60mm Pozi Countersunk Wood Screw Yellow Zinc SPE560Y (Box 100) The Spectre Screws are advanced multipurpose wood screws with double countersunk heads and pozi compatible recess. They have a sawtooth thread design to prevent splitting and reamer to prevent jacking. The screws have a zinc yellow passivated finish for excellent resistance to corrosion. The zinc yellow passivation process of electroplating is similar to the 'galvanised' and 'zinc plated' processes but with the addition of a yellow dye. It offers an aesthetically pleasing finish. SPE560Y Features: - Head: Countersunk pozidrive compatible recessed. - Finish:Zinc Yellow Passivated. - Advanced multi-purpose design. - Anti corrosion coating. - Reamer to prevent jacking. - .