Square Washers are also known as construction square plate washers. Square Washers are typically thin pieces of material with a hole in the middle that is used to distribute the load of a threaded fastener, such as a screw or nut.
- Range: M5 to M56
- Grade: 4, 6, 8, 10, 12, 2 H, 2 HM
- Finish: Zinc Cr3, Hot Dip Galvanized, Yellow Zinc, Black Phosphate