90 Tel: +44 (0)141 647 7100 Fax: +44 (0)141 647 5100 DRYWALL COLLATED TOUGH BOARD SCREWS Collated Tough Board Screws Designed for: Fixing dense and hard boards to track or timber substrates Head style: Reduced cross section countersunk head with undercut nibs Drive bit: Phillips No. 2 Thread form: Twin hi-lo thread Fastener material: Hardened carbon steel (AISI C1022) Coating information: Black phosphate (approx 48 hours NSST) ✓ Black Phosphate Coating ✓ Evolution collated Tough Board Screws are designed for use in an interior setting and in a dry environment. They are intended for fixing sheet materials harder than plasterboard, ie dense plasterboards and also to fix wood fibre boards to timber battens and steel up to 0.8mm thick ✓ 19mm version ideal for fitting ply to flooring before tiling ✓ As per all collated screws, Evolution High Low Thread provides superior pull down performance in timber and light track applications. Self countersinking reduced width head, PH2 recess to enable use with standard drywall tooling EUROPA EN 14566 2008 & A1: 2009 Code Size Box Carton CDWFCP3919 3.9 x 19.0 mm 1,000 10,000 CDWFCP3930 3.9 x 30.0 mm 1,000 10,000 CDWFCP3945 3.9 x 45.0 mm 1,000 10,000 2002/95/EC IMPORTANT APPLICATION ADVICE On rare occasions black phosphate screw coatings can react with some render types, which can damage the coating resulting in corrosion and staining. To reduce the risk of this happening Evolution recommends sealing the drywall screw heads with a PVA bonding solution before render is applied.