The steel washers include square washers, curved washers, spring washers. The metal washer is used as accessories on the oval eye bolt, , thimble eye bolt, hex bolt, square bolt, and nut.

The flat square washer is also called a plate washer, it is used on a square concrete pole line to stop the eye bolt drop off. The curved washer is used on the wooden pole. The curve structure is fit for the wooden pole’s raised surface.

The plate washers have the standard sizes 50*50*3mm, 75*75*6.35mm, 60*60*4.75mm. They also can be manufactured according to the drawings or requirements of the clients.

There is a hole in the middle of the square washer and curved washer. The middle hole diameter depends on the eye bolt diameter. It is for the thread to pass through the hole.