5-20 x 3/8 #4HD Phillips Pan High Low Screw Fully Threaded Zinc 1 3/4-5 which means that it can

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

Perfect for use in metal

4-24 x 1/2 Phillips Flat Thread Cutting Screw Type 25 Fully Threaded Zinc

Ideal for construction

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

5-20 x 3/8 #4HD Phillips Pan High Low Screw Fully Threaded Zinc 1 3/4-5 which means that it can5 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.