6-20 x 1 3/8 Phillips Pan Self Tapping Screw Type B Fully Threaded Zinc and Bake M20 It has a hex shape

It has a hex shape with a 5/16-18 thread size and is designed to be used with bolts or screws to create a secure connection

while the slotted indented hex washer head provides a secure grip for driving and removal

The bolt has a 3/8-16 thread size and a length of 5 1/2 inches

With their robust construction and superior corrosion resistance

Their black oxide finish enhances their aesthetics and provides additional protection against rust and wear

6-20 x 1 3/8 Phillips Pan Self Tapping Screw Type B Fully Threaded Zinc and Bake M20 It has a hex shapeThese 6 20 x 1 3 8 Phillips Pan Self Tapping Screw Type B are fully threaded and made of zinc and bake. They have a sharp point and a single flute thread that allows them to tap their own threads as they are driven into the material. The Phillips pan head has a rounded top and a cross shaped recess that accepts a Phillips screwdriver. These screws are commonly used in sheet metal, plastic, and wood applications.