12-14 x 3/4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake NYB The round open-end design allows

The round open-end design allows for easy insertion and expansion

The external teeth on the washer bite into the material

The thin pattern design of this nut allows it to be used in tight spaces where other nuts may not fit

With its 10-32 thread size and 3/8-inch length

12-14 x 3/4 Square Drive Flat Head Fully Threaded Self Drilling Screw Zinc & Bake NYB The round open-end design allowsThese 12 14 x 3 4" square drive flat head fully threaded self drilling screws are made of zinc and baked for added durability. They are designed for use in a variety of applications, including metal to metal, metal to wood, and wood to wood. The self drilling tip eliminates the need for pre drilling, making them easy to install. The square drive head provides a secure grip for driving, and the flat head sits flush with the surface of the material.