A2 & A4 Stainless Steel Washers
| Material Key | |
|---|---|
| A2 | A2 Stainless Steel - also known as grade 304 or 18/8. A general purpose grade of stainless steel. |
| A4 | A4 Stainless Steel - also known as grade 316 or 18/8/3. A higher corrosion resistant, marine grade of stainless steel. |