8-18 x 5/8 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake NT3188 The nut has a flange

The nut has a flange that helps to distribute the load and prevent it from loosening

Secure your projects with the utmost strength and durability using our 1" Thick Heavy Duty Thru Hardened USS Washer

This coupling nut is suitable for various industrial and construction applications

They are also suitable for use in other applications where a coarse thread screw is required

8-18 x 5/8 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake NT3188 The nut has a flange8 18 x 5 8 Unslotted Indented Hexwasher Self Drill Screw Full Thread Zinc & Bake are designed for use in a variety of applications, including metal to metal, metal to wood, and wood to wood. They are self drilling, which eliminates the need for pre drilling, and they have a full thread that provides maximum holding power. The indented hexwasher head provides a secure grip for driving, and the zinc and bake coating provides corrosion resistance. These