5-20 x 5/16 #4HD Phillips Pan High Low Screw Fully Threaded Zinc RW410 while the indented hex washer

while the indented hex washer head allows for easy tightening with a hex key

The black oxide and wax finish provides corrosion resistance and a smooth

They are designed to provide a secure and vibration-resistant connection in a variety of applications

* Securing panels and covers

They are designed to be used with #8 screws and are ideal for applications where a flush

5-20 x 5/16 #4HD Phillips Pan High Low Screw Fully Threaded Zinc RW410 while the indented hex washerThese 5 20 x 5 16 #4HD Phillips Pan High Low Screws are fully threaded and made of zinc plated steel. They have a Phillips pan head and a high low thread design that provides excellent holding power. These screws are ideal for use in a variety of applications, including wood, metal, and plastic. They are also corrosion resistant, making them suitable for outdoor use.