CSK Head Self Tapping Screws

Type: Self-Tapping Screw. This screw creates its own threads in a pre-drilled hole as it's installed. Head Style: Countersunk (CSK) Head. This type of head is designed to sit flush with or below the surface of the material, providing a smooth finish. Size: The "6 x 1 1/4"" refers to two key dimensions: Diameter: The number "6" is the screw gauge, a standard measurement. This corresponds to a diameter of approximately 3.5mm. Length: The "1 1/4"" refers to the length, which is 1.25 inches (or approximately 31.75mm). Material: Usually made from zinc-plated steel, stainless steel, or other materials with a protective coating. Drive Type: Most commonly a Phillips or Pozi drive. Application: Ideal for applications where the screw head needs to be hidden or flush with the surface, such as in woodworking, cabinetry, and sheet metal work.