Spectre Advanced Multi-purpose Woodscrews | 4.0 x 70mm | Zinc Yellow Passivated | Bulk Box 500

Spectre™ by Forgefix incorporates a long list of advanced screw features often only found in premium screws into what we've named advanced multi-purpose wood screws. They feature a countersunk pozidrive compatible recessed head. Fully threaded up to 50mm with a sawtooth thread to prevent splitting and reamer to prevent jacking (50mm and above). They are also surface hardened with a quick start type 17 slash point. The screws have a zinc yellow passivated finish for excellent resistance to corrosion. 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. CE approved for use in load-bearing timber construction.Specification: Size: 4.0 x 70mmThread: 42mm lengthPack Quantity: Box of 500PTDFORSPE470YB