12-14 x 4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake 5/16-18-1 It also has a non-serrated

It also has a non-serrated surface for a smooth finish

They are designed to be used with #10 screws and have a countersunk head that will sit flush with the surface of the material being fastened

Measuring 3/8-inch in diameter and 4 inches in length

while the full threads offer maximum holding power

ensuring optimal performance and durability

12-14 x 4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake 5/16-18-1 It also has a non-serratedThese 12 14 x 4 Square Drive Flat Head Fully Threaded Self Drilling Screws are designed for a variety of applications, including metal to metal, metal to wood, and wood to wood. They are made of hardened steel and feature a zinc & bake coating for corrosion resistance. The square drive head provides a secure grip, and the fully threaded design ensures a strong hold. These screws are self drilling, which eliminates the need for pre drilling, saving