3/8-16 x 3/4 Phillips Flat Machine Screw Fully Threaded Zinc 1 1/4-7 NE It has a square shape

It has a square shape and is designed to be used with 5/16-18 machine screws

9 Metric Flange Bolt Screw is made of high-quality steel and has a black phosphate finish for corrosion resistance

this hex cap screw delivers reliable performance and longevity

and the black phosphate finish resists corrosion

The yellow zinc plating offers corrosion protection and a visually appealing finish

3/8-16 x 3/4 Phillips Flat Machine Screw Fully Threaded Zinc 1 1/4-7 NE It has a square shapeThe 3 8 16 x 3 4 Phillips Flat Machine Screw Fully Threaded Zinc is a type of fastener that is used to hold two or more pieces of material together. It is made of steel and has a zinc coating to protect it from corrosion. The screw has a Phillips head, which means that it can be driven with a Phillips screwdriver. The screw is fully threaded, which means that it can be screwed into the material until the head is flush with the surface.