1/2-13 x 1 3/4 Hex Rod Coupling Nut 11/16 inch Across Flats Zinc 1/2 They have a plain finish

They have a plain finish and are made in North America

This 1/2-13 x 2 1/4 Hex Cap Screw is made of durable 316 stainless steel

meaning that it can be installed without the need for welding or adhesives

flat disc with a hole in the center

1/2-13 x 1 3/4 Hex Rod Coupling Nut 11/16 inch Across Flats Zinc 1/2 They have a plain finishThis 1 2 13 x 1 3 4 Hex Rod Coupling Nut is a high quality fastener designed for use in a variety of applications. It is made from durable zinc plated steel for corrosion resistance and strength. The nut has a 1 2 13 thread size and a 1 3 4 inch length. It has a hexagonal shape with 11 16 inch across flats for easy installation and removal with a wrench. This coupling nut is perfect for connecting two threaded rods or for use as a spacer or stop.