PRODUCT SPECIFICATIONS Part #: 0000-109336 Fastener Type: Deck Screw Phillips Bugle Head Size Description: #8-8 x 3 Diameter/Nominal Size: #8 Length: 3 Thread Pitch: 8 Thread Pitch Type: Coarse Thread Direction: Right System of Measurement: Inch Material: Low Carbon Steel Finish: Dacrotized Head Type: Bugle Drive Type: Phillips Average Piece Weight: 0.0115000 lbs. Deck screws have a sharp point and a narrow body threaded a minimum of ? their length. Intended for insertion into soft wood or other wood-decking material deck screws are designed to be used outside in all weather conditions. When trying to determine the length measure from the top of the head of the screw.