4-24 x 3/4 #3HD Phillips Pan High Low Screw Fully Threaded Zinc BWBZ The head of the screw

The head of the screw has a slot that allows it to be tightened with a screwdriver

Its 6-lobe flat head provides a flush

With their Grade 8 rating

which helps to prevent it from rotating when it is tightened

The nut is made of plain steel and has a 3/8-24 thread size

4-24 x 3/4 #3HD Phillips Pan High Low Screw Fully Threaded Zinc BWBZ The head of the screwThese 4 24 x 3 4 #3HD Phillips Pan High Low Screws are fully threaded and made of zinc. They have a pan head with a Phillips drive and a high low thread pattern. The high low thread pattern provides better holding power than a standard thread pattern, making these screws ideal for use in applications where vibration or loosening is a concern. These screws are also zinc plated for corrosion resistance.