5/16-12 x 4 Unslotted Hex Washer With Number 5 Point Full Thread Self Dril Screw Zinc Bake KPF188 The 1/4-20 thread size means

The 1/4-20 thread size means that it has a diameter of 1/4 inch and 20 threads per inch

10-32 x 3 1/2 Slotted Round Machine Screw Fully Threaded Zinc is a type of screw that is used to fasten two pieces of material together

which means that it has a diameter of 3/8 inches and 16 threads per inch

The washers are made of neoprene

It is made of zinc-plated steel and has a slotted oval head

5/16-12 x 4 Unslotted Hex Washer With Number 5 Point Full Thread Self Dril Screw Zinc Bake KPF188 The 1/4-20 thread size meansThe 5 16 12 x 4 Unslotted Hex Washer With Number 5 Point Full Thread Self Dril Screw Zinc Bake is a high quality screw that is perfect for a variety of applications. It is made from durable steel and has a zinc bake finish that provides excellent corrosion resistance. The screw has a hex washer head that provides a secure grip, and the number 5 point tip helps to prevent stripping. The full thread design ensures a strong hold, and the self drilling