#7 x 2-1/2" Black Phosphate Star Round Head Pocket Screws (40 pcs.)Type: Black Phosphate Wood Screws
Finish: Black Phosphate
Head Style: Round Washer (T-15 Star Bit)
Point Type: Type 17
Thread Type: Coarse
Type: Wood Screw
Box of 40.
A wood screw generally has an unthreaded shank below the head. It is designed to attach two pieces of wood together.