Square washers are thicker and wider than ordinary round washers, have a larger bearing surface, and are usually used with bolts, screws or nuts. Its shape is square with a round hole in the center, and it is divided into a square flat surface and a square inclined surface. It is made by precision stamping process. Used in wooden structures, railways, bridges, steel structures, and heavy machinery. Common standards include DIN 434, DIN 435, 436, DIN 6918, etc.
51fasteners offers washers in a wide variety of sizes, thicknesses, materials, and finishes, including both imperial and metric sizes. We also offer wholesale bulk orders to support projects of any size. If you require a square washer style that you don’t find listed on our website, please contact us today for a custom quote. We’re here to help!
Specifications
Manufacturing process | Precision Stamping. |
Size | M8 to M27; or custom. |
Material | Carbon steel, stainless steel. |
Surface treatment | Dacromet, hot-dip galvanized, cold-dip galvanized, nickel-plated, copper-plated, HDG, oxidized black, blue zinc, colored zinc, white zinc. |
Standard | DIN 434, DIN 435, DIN 436, DIN 6918. |
Feature | Precision casting, aesthetic, durable, smooth surface. |
Packaging | Waterproof bag, plastic box, carton, pallet, wooden box or customized. |
51Fasteners Is Your Source for Square Washers

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