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

these bolts adhere to the highest quality standards

which means they can be screwed into wood or metal without the need for a nut

Its JISB 1111 Class 4

The 6-32 x 3/4 Phillips Flat Thread Cutting Screw Type F is a fully threaded screw made of 18-8 stainless steel

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.