Drywall Reduced Countersunk Black Dense Board Screws – 3.9 x 45

Designed for attaching dense board to timber stud work. The super sharp point and high low thread is specially designed for an excellent fixing into timber. Phillips No.2 recess for a positive drive.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.