The Vortex® woodscrews range includes Vortex power screws, Vortex TX power screws - offering even greater performance; both have a zinc and yellow finish. We also offer Vortex exterior screws, which have a Magsho silver coating, capable of withstanding a 1,000-hour salt spray test, and are Alkaline Copper Quaternary (ACQ) resistant. Packaging options include boxed, clam packs, tubs, assortment cases, and assorted packs. Diameters range from M3.5 to M6 and lengths from 12mm to 200mm. Many of the items are CE marked.