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

It is threaded with an 11 threads per inch pitch

while the medium thickness provides ample support and locking power

The hex head allows for easy installation and removal with a wrench

Their plain finish makes them suitable for use with a variety of bolts and nuts

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.