Drywall Screws - Fine Thread - Grey are used to secure plasterboard to drywall and ceiling track systems with a max. of 0.6mm thickness. Phillips No.2 recess for a positive drive Bugle head to reduce the likelihood of damaging the board surface 25° super sharp point for ease of penetration Coarse thread for extreme hold Plated in Black phosphate to withstand over 50hrs. In accordance with ASTM B117-11 Fire Classification - A1 Manufactured from a hardened durable C1018 carbon steel, offering excellent strength and ductility Full batch traceability Specification CE Standard BS EN 14566:2008 Colour Dark Grey Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments Driver Bit Size PH2 Feature 1 Phillips No.2 recess for a positive drive Feature 2 Bugle head to reduce likelihood of damaging the board surface Feature 3 25° super sharp point for ease of penetration Feature 4 60° twin-thread offers excellent pull-out values and insertion speed Feature 5 Fire Classification - A1 Finish Dark Grey Phosphate Head Type Bugle Included Items PH2 S2 Bit (Qty 1) Material Carbon Steel