1/2-13 x 2 Phillips Pan Machine Screw Fully Threaded Zinc WFXV while the hex washer head

while the hex washer head provides a secure hold

They have a combination Phillips/slotted drive and a pan head with a 1/8" diameter

The hex shape allows for easy tightening and removal with a standard wrench or socket

These 1/2-20 x 2 1/2 Hex Head Flange Non Serrated Frame Bolts

round head with a square section underneath

1/2-13 x 2 Phillips Pan Machine Screw Fully Threaded Zinc WFXV while the hex washer headThe 1 2 13 x 2 Phillips Pan Machine Screw Fully Threaded Zinc is a type of screw that is used to fasten two pieces of metal together. It has a Phillips head, which means that it has a cross shaped recess in the head that allows it to be driven with a Phillips screwdriver. The screw is made of zinc plated steel, which gives it a corrosion resistant finish. It is fully threaded, which means that the threads extend the entire length of the screw. This