Find Your DIN 9021 Large Washer Specification
Compare stainless steel large diameter flat washers by material, catalogue version, marking and treatment. Open a material group to see the listed nominal sizes.
M sizes are nominal fastener sizes, not measured washer hole diameters. Confirm inside diameter, outside diameter and thickness against your drawing. On mobile, swipe a table sideways to see all columns.
304 Stainless Steel · 20 catalogue items
| Form / version | Marking | Treatment | Nominal size options |
|---|---|---|---|
| Large diameter · “整板” version | Unmarked | Not specified | M2.5 · M3 · M3.5 · M4 · M5 |
| Large diameter | Unmarked | Not specified | M3.5 · M8 · M22 · M24 · M27 · M30 · M36 |
| Large diameter · “整板” version | Unmarked | Pickled | M6 · M8 · M10 · M12 · M14 · M16 · M18 · M20 |
316 Stainless Steel · 17 catalogue items
| Form / version | Marking | Treatment | Nominal size options |
|---|---|---|---|
| Large diameter · “整板” version | Unmarked | Not specified | M2.5 · M3 |
| Large diameter | Unmarked | Not specified | M3.5 · M4 · M5 |
| Large diameter | A4 THE | Pickled | M6 · M8 · M10 · M12 · M14 · M16 · M18 · M20 |
| Large diameter | A4 THE | Not specified | M22 · M24 · M27 · M30 |
316L (Ni10) Stainless Steel · 9 catalogue items
| Form / version | Marking | Treatment | Nominal size options |
|---|---|---|---|
| Large diameter | Unmarked | Not specified | M5 |
| Large diameter | 316L THE | Pickled | M6 · M8 · M10 · M12 · M14 · M16 · M18 · M20 |
2205 Stainless Steel · 15 catalogue items
| Form / version | Marking | Treatment | Nominal size options |
|---|---|---|---|
| Large diameter | Unmarked | Not specified | M3 · M4 · M5 |
| Large diameter | 2205 THE | Not specified | M6 · M8 · M10 · M12 · M14 · M16 · M18 · M20 · M22 · M24 · M27 · M30 |
Confirm the Required Dimensions
The supplier designation “整板” is preserved for the listed versions. Specify it when selecting that option. Include inside diameter, outside diameter and thickness when matching an existing washer or drawing.
Send any hardness, material documentation or inspection requirements with your enquiry. The listed marking and treatment combinations are kept separate for accurate selection.
Fast Dispatch for Stocked Items
Items available in Tongming stock can usually be dispatched in around 3 days. Stock and dispatch timing are confirmed with your quotation.
Send Your Specification
Include DIN 9021, material, nominal size, version, marking, treatment and quantity. Drawings and files can be attached to your enquiry.
Fastener supply experience since 2005. Nanjing Tongming provides experienced product coordination and competitive quotations for project and repeat purchasing.
Catalogue listing does not indicate live stock. Dimensions, marking and documentation are confirmed for the quoted item.





