#12 x 2-1/2" Brass Slotted Flat Head Wood Screws WSFB-409 (11 pcs.)

Diameter: #12
Length: 2-1/2"
Material: Brass
Head Style: Flat (Slotted)
Point Type: Sharp
Drill Size: 9/64" Hole
Thread Length: Partial
Type: Wood Screw

Box of 11.

A wood screw generally has an unthreaded shank below the head. It is designed to attach two pieces of wood together.