6-20 x 5/16 6 Lobe Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc DPG 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

These 6-20 x 3/16 Phillips Full Contour Truss Self Tapping Screw Type AB Fully Threaded Zinc screws are designed for use in a variety of applications

The 3/8"-16 x 1 3/4" 6-Lobe Pan Machine Screw Fully Threaded 18-8 Stainless Steel is a versatile fastener designed for various applications

while the plain finish ensures compatibility with a variety of materials

6-20 x 5/16 6 Lobe Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc DPG The 1/4-20 thread size means6 20 x 5 16 6 Lobe Flat Undercut Thread Cutting Screw Type 25 Fully Threaded Zinc: This screw is made of zinc plated steel and has a 6 20 thread size. It is 5 16 inches long and has a flat undercut thread cutting point. The screw has a 6 lobe drive and is fully threaded. It is Type 25, which means it has a coarse thread pitch. This screw is designed for use in wood and metal applications.