1/4-14 x 2 1/2 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake 8-15 while the hex washer head

while the hex washer head ensures a secure fit

Its ISO14581 standard ensures compatibility with industry-grade components

These Six-Lobe (Torx) Flat Nibs Deck Screws are designed for use in decking applications

The screw has a length of 5 inches and a diameter of 3/4 inches

The hex head provides a secure grip for tightening with a wrench

1/4-14 x 2 1/2 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake 8-15 while the hex washer headThese 1 4 14 x 2 1 2 Square Drive Flat Head Fully Threaded Self Drilling Screws are designed for fast and easy installation into metal. The self drilling tip eliminates the need for pre drilling, saving time and effort. The square drive head provides a secure grip for driving, and the flat head sits flush with the surface for a clean finish. These screws are made from durable zinc plated steel for corrosion resistance and long lasting performance.