10-16 x 1 6-Lobe Flat Self Drilling Screw Fully Threaded Zinc & Bake 5/8-18 NTE It has a fully threaded

It has a fully threaded body and a 6-lobe truss head with a full contour

375" outer diameter

and the drive type is hex

The full contour truss head provides a large bearing surface

10-16 x 1 6-Lobe Flat Self Drilling Screw Fully Threaded Zinc & Bake 5/8-18 NTE It has a fully threadedThese 10 16 x 1 6 Lobe Flat Self Drilling Screws are fully threaded and made of zinc and bake. They are designed for use in a variety of applications, including metal, wood, and plastic. The 6 lobe drive provides a secure grip, and the self drilling tip eliminates the need for pre drilling. These screws are also zinc plated for corrosion resistance.