4-40 x 1/4 Slotted Flat Undercut Machine Screw Fully Threaded Zinc BF188 The 1/4-20 thread size means

The 1/4-20 thread size means that it has 20 threads per inch and a diameter of 1/4 inch

The 3/8-16 x 5 1/2 Hanger Bolt Plain Center Zinc is a versatile and durable fastener designed for a wide range of applications

The 8-32 x 3/16 Phillips Flat Undercut Machine Screw is a fully threaded screw made of 18-8 stainless steel with a black oxide finish

this screw boasts a zinc coating that provides superior corrosion resistance

Their sharp point allows for easy penetration into wood

4-40 x 1/4 Slotted Flat Undercut Machine Screw Fully Threaded Zinc BF188 The 1/4-20 thread size meansThe 4 40 x 1 4 Slotted Flat Undercut Machine Screw Fully Threaded Zinc is a type of screw that is used in a variety of applications. It is made of zinc plated steel and has a slotted drive. The screw has a flat undercut head and is fully threaded. This type of screw is often used in metalworking and other industrial applications. It is also commonly used in home improvement projects.