6-20 x 1/2 Slot Indent Hex Washer Serrated Self Tap Screw Type AB Full Thread Zinc MH The 1/4-28 thread size provides

The 1/4-28 thread size provides a secure hold

and other projects where a strong and reliable fastener is required

It is threaded with an 11 threads per inch pitch

making it an excellent choice for a wide range of projects

while the medium thickness provides ample support and locking power

6-20 x 1/2 Slot Indent Hex Washer Serrated Self Tap Screw Type AB Full Thread Zinc MH The 1/4-28 thread size providesThese 6 20 x 1 2" Slot Indent Hex Washer Serrated Self Tap Screw Type AB Full Thread Zinc screws are designed for use in a variety of applications. They are made of steel and have a zinc coating for added durability. The screws have a slot indent hex washer head and a serrated point for easy installation. They are full thread, which means that they can be used in a variety of materials. These screws are perfect for use in wood, metal, and plastic.