1/4-20 x 2 1/2 Phillips Pan Machine Screw Fully Threaded Black Zinc D127B188B The black oxide finish provides

The black oxide finish provides excellent corrosion resistance

This washer is commonly used in automotive

The 4-40 x 1/4 Phillips Pan Machine Screw Fully Threaded 18-8 Stainless Steel is a small

They have a 2" outside diameter and a 3/8" inside diameter

1/4-20 x 2 1/2 Phillips Pan Machine Screw Fully Threaded Black Zinc D127B188B The black oxide finish providesThis 1 4 20 x 2 1 2 Phillips Pan Machine Screw is fully threaded and coated in black zinc for corrosion resistance. It has a pan head with a Phillips drive and is commonly used in a variety of applications, including machinery, appliances, and furniture. The 1 4 20 thread size indicates that the screw has a diameter of 1 4 inch and 20 threads per inch. The 2 1 2 inch length refers to the overall length of the screw, including the head.