Drywall Dense Board Screws - PH - Reduced Countersunk - High-Low Thread - Black Designed for attaching dense board to timber stud work. The super sharp point and high-low thread is specially designed for excellent fixing into timber. Phillips No.2 recess for a positive drive Reduced countersunk head for improved countersinking into the dense board High-Low thread for increased pull-out value into both timber and thin sheet metal Coarse thread for extreme hold 25° super sharp point for ease of penetration Phillips Head Specification Driver Bit Size PH2 Pack Type Box Pack Qty 1000 Head Type Reduced Countersunk Included Items PH2 S2 Bit (Qty 1) Finish Black Phosphate CE Standard BS EN 14566:2008 MOQ Increment 1 Corrosion Rating (1-5) 1 - Clean, dry & low humidity environments Recess Type Phillips Thread Type High-Low Material Carbon Steel Point Type 25° Sharp Feature 3 High-Low thread for increased pull-out value into both timber and thin sheet metal Feature 2 Reduced countersunk head for improved countersinking into the dense board Feature 4 Coarse thread for extreme hold Feature 5 25° super sharp point for ease of penetration Brand TIMCO Feature 1 Phillips No.2 recess for a positive drive Thread Coverage Fully Threaded Feature 6 Fire Classification - A1