8-18 x 5/8 #6HD Unslotted Indented Hex Washer High Low Screw Fully Threaded Zinc 1/4-20-.260 which helps to reduce friction

which helps to reduce friction and make them easier to drive into wood

The black zinc plating provides corrosion resistance and a durable finish

while the 30-degree thread angle provides superior holding power

these washers are suitable for use with 5/16" bolts or screws

while the hex shape allows for easy tightening and removal using a wrench or socket

8-18 x 5/8 #6HD Unslotted Indented Hex Washer High Low Screw Fully Threaded Zinc 1/4-20-.260 which helps to reduce friction8 18 x 5 8 #6HD Unslotted Indented Hex Washer High Low Screw Fully Threaded Zinc is a type of screw that is designed for use in a variety of applications. It is made of steel and has a zinc coating for corrosion resistance. The screw has a hex head with an indented washer, which helps to distribute the load and prevent the screw from loosening. The screw is fully threaded, which means that it can be used in a variety of materials. It is also