Truss Head

8X3/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.

4-40X3/8 Phillips Pan Thread Cutting Screw Type F Fully Threaded 18 8 Stainless Steel. Thread-Cutting Type-F threaded screws are used in heavy gauge sheet metal, aluminum, zinc and lead die castings, cast iron, brass and plastic. In stainless steel, material into which the screw is to cut threads should have a lower hardness by 10-20 Rockwell hardness. Pan head screws are a common style that can substituted in most applications for round, truss or binding heads.

Combo Pan Head Self Tapping Sheet Metal Screws Feature Large Threads For Versatility, And Are Used To Securely Attach Metal, Wood, Fiberglass, And Plastic. Combo Pan Head Self Tapping Sheet Metal Screws provide a common style that can be substituted in most applications for round, truss or binding heads.

8X1 1/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Black Phosphate. Concrete screws cut their own threads when used in concrete, block or brick. Carbide bits are recommended for use in masonry. Bugle head screws are commonly used for drywall because it distributes bearing stress over a wider area than a flat head.

12X1 1/4 Phillips Flat Self Tapping Screw Type A Fully Threaded 18 8 Stainless Steel. Type A thread for self starting in thin (.015 - .050 inch thick) metal or resin-filled plywood. Flat head screws are used when protrusion of the fastener above the mating surface is unacceptable. Typically 100 degree flat or for fastening softer materials, 82 degrees flat.