Form B washers have the same outer diameter as Form A, but they are thinner.
| Washer Size | Inside dia | Outside dia | Thickness |
| M6 | 6.4 | 12.5 | 0.8 |
| M8 | 8.4 | 17 | 1 |
| M10 | 10.5 | 21 | 1.25 |
| M12 | 13 | 24 | 1.6 |
| M14 | 15 | 28 | 1.6 |
| M16 | 17 | 30 | 2 |
| M20 | 21 | 37 | 2 |
| M24 | 25 | 44 | 2.5 |
| M30 | 31 | 50 | 2.5 |
All Available Sizes & Types
| SKU | Name | Thread Size (T) | Material / Finish |
|---|---|---|---|
| SKU: M.WSHF..BR.B | Name: Metric Washers Form B | Thread Size (T): M6 (6mm) | Material / Finish: Brass |
| SKU: M.WSHF.10.A4S.B | Name: Metric Washers Form B | Thread Size (T): M10 (10mm) | Material / Finish: A4 Stainless Steel |
| SKU: M.WSHF.10.Z.B | Name: Metric Washers Form B | Thread Size (T): M10 (10mm) | Material / Finish: Zinc |
| SKU: M.WSHF.12.BR.B | Name: Metric Washers Form B | Thread Size (T): M12 (12mm) | Material / Finish: Brass |
| SKU: M.WSHF.12.Z.B | Name: Metric Washers Form B | Thread Size (T): M12 (12mm) | Material / Finish: Zinc |
| SKU: M.WSHF.14.Z.B | Name: Metric Washers Form B | Thread Size (T): M14 (14mm) | Material / Finish: Zinc |
| SKU: M.WSHF.16.A4S.B | Name: Metric Washers Form B | Thread Size (T): M16 (16mm) | Material / Finish: A4 Stainless Steel |
| SKU: M.WSHF.16.Z.B | Name: Metric Washers Form B | Thread Size (T): M16 (16mm) | Material / Finish: Zinc |
| SKU: M.WSHF.18.Z.B | Name: Metric Washers Form B | Thread Size (T): M18 (18mm) | Material / Finish: Zinc |
| SKU: M.WSHF.20.Z.B | Name: Metric Washers Form B | Thread Size (T): M20 (20mm) | Material / Finish: Zinc |
| SKU: M.WSHF.30.A2S.B | Name: Metric Washers Form B | Thread Size (T): M30 (30mm) | Material / Finish: A2 Stainless Steel |
| SKU: M.WSHF.6.A2S.B | Name: Metric Washers Form B | Thread Size (T): M6 (6mm) | Material / Finish: A2 Stainless Steel |
| SKU: M.WSHF.6.A4S.B | Name: Metric Washers Form B | Thread Size (T): M6 (6mm) | Material / Finish: A4 Stainless Steel |
| SKU: M.WSHF.6.Z.B | Name: Metric Washers Form B | Thread Size (T): M6 (6mm) | Material / Finish: Zinc |
| SKU: M.WSHF.8.A4S.B | Name: Metric Washers Form B | Thread Size (T): M8 (8mm) | Material / Finish: A4 Stainless Steel |


