1/2-13 x 2 Six Lobe Flat Floor Board Screw Type F Black Phosphate PSW14410 They have a full thread

They have a full thread

1/4-14 x 2 1/2 Phillips Flat Undercut Full Thread Self Drilling Screw Zinc & Bake is a versatile and durable screw designed for a wide range of applications

The plain center design allows for easy installation and adjustment

These 12-14 x 1 1/2 Phillips Wafer Head Full Thread Self Drilling Screws are made of zinc-plated steel for durability and corrosion resistance

Ideal for framing

1/2-13 x 2 Six Lobe Flat Floor Board Screw Type F Black Phosphate PSW14410 They have a full thread1 2 13 x 2 Six Lobe Flat Floor Board Screw Type F Black Phosphate is a type of screw specifically designed for securing floorboards. It features a 1 2 inch diameter, 13 threads per inch, and a 2 inch length. The six lobe drive design provides a secure grip, preventing the screw from slipping during installation. The flat floor board head sits flush with the surface of the floorboard, providing a clean and professional appearance. The black phosphate