10-9 x 1 1/2 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Black Oxide 4-40 NM They are also suitable for

They are also suitable for use in pressure-treated lumber

3HD outer diameter

These 6-20 x 1 1/2 Phillips Oval Self Tapping Screw Type AB Fully Threaded Black Oxide are designed for use in a variety of applications

The 4-40 x 3/16 Phillips Flat Undercut Machine Screw Fully Threaded 18-8 Stainless Steel is a versatile and durable screw that is perfect for a variety of applications

This 10-32 x 1 3/4 inch Phillips oval head machine screw is fully threaded and made of zinc-plated steel

10-9 x 1 1/2 Square Phillips Drive Round Washer Deep Thread Type17 2/3 Thread Black Oxide 4-40 NM They are also suitable for10 9 x 1 1 2 Square Phillips Drive Round Washer Deep Thread Type 17 2 3 Thread Black Oxide is a high strength, corrosion resistant fastener designed for use in a variety of applications. It features a square Phillips drive for easy installation and removal, a round washer head for added strength and stability, and a deep thread for secure fastening. The black oxide finish provides additional corrosion resistance and a professional appearance. With its