6-20 x 5/16 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Oxide NF8C The nut has a castellated

The nut has a castellated design

The 8-32 x 1/4 Phillips Round Machine Screw Fully Threaded Zinc is a great choice for a variety of projects

#8 SAE Flat Washer 18-8 Stainless Steel is a durable and corrosion-resistant washer designed to distribute the load of a fastener evenly over a surface

while the Grade 2 rating indicates its strength and reliability

This 1/4-20 x 1 3/4" slotted indented hex washer head machine screw is fully threaded and made of zinc-plated steel

6-20 x 5/16 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Oxide NF8C The nut has a castellatedThese 6 20 x 5 16 Phillips Pan Self Tapping Screw Type AB Fully Threaded Black Oxide are designed for use in a variety of applications. They are made of steel and have a black oxide finish for corrosion resistance. The pan head provides a low profile, while the Phillips drive allows for easy installation. These screws are self tapping, which means they can create their own threads in metal or plastic. They are fully threaded for maximum holding power.