Countersunk Flat Head, CSD Thread, With Wings, Shank Slot, No.4 Point

#10-24 x 1-5/8

#12-24 x 2” ~ 2-3/4”

1/4-20 x 2-3/4” ~ 4”

Coating Options: Zinc, Ruspert, Magni

Recess Options: Torx Drive, Phillip Drive

More Coating and Recess Options Available Upon Inquiry

Flat head wing drill screws are specialized fasteners designed for applications that involve securing materials like wood or metal to concrete or other hard substrates. They are equipped with small "wings" that aid in creating a pilot hole in softer materials, which break off when the screw reaches harder surfaces. Here’s how they’re typically used:

• Wood-to-Metal or Concrete Fastening: Used to attach wooden components to metal frames or concrete without the need for pre-drilling.
• Drywall or Plywood Installation: Ideal for fastening drywall or plywood to structural components, such as steel or concrete.
• Construction and Carpentry: Frequently employed in framing and structural work to ensure secure connections.
• Outdoor Applications: Used in tasks where materials need to be securely fixed to tough substrates, like decks or fence installations on concrete.

These screws save time and provide strong, reliable connections, especially in mixed-material applications.