6-20 x 1 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc YPG while the flat head sits

while the flat head sits flush against the surface

The 3/4" size is commonly used with 1/2" bolts or screws

while the neoprene washer creates a watertight seal

It is also ideal for use in high-temperature environments

6-20 x 1 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc YPG while the flat head sitsThese 6 20 x 1 Slotted Indented Hex Washer Self Tapping Screw Type AB Fully Threaded Zinc are designed for use in a variety of applications, including metal, plastic, and wood. They are made of durable zinc plated steel and feature a slotted indented hex washer head that provides a secure grip. The self tapping design eliminates the need for pre drilling, making them easy to install. These screws are fully threaded, providing maximum holding power.