5-20 x 3/8 #4HD Phillips Pan High Low Screw Fully Threaded Zinc 1 3/4-5 making it ideal for repeated

making it ideal for repeated use

which means that it can be screwed into the metal until it is flush with the surface

and the flat floor board head sits flush with the surface of the floor

and the 48-2 fully threaded shank ensures a secure hold

and a full thread that runs the entire length of the screw

5-20 x 3/8 #4HD Phillips Pan High Low Screw Fully Threaded Zinc 1 3/4-5 making it ideal for repeated5 20 x 3 8 #4HD Phillips Pan High Low Screw Fully Threaded Zinc This screw is made of steel and has a zinc coating for corrosion resistance. It has a #4 Phillips pan head and a high low thread design. The high low thread design provides better holding power than a standard thread design. The screw is fully threaded for maximum holding power. It is 5 20 inches long and has a diameter of 3 8 inches.