ASME B18.21.1 1/4 W Plain Washer
In stock in 3 material, grade and finish combinations.
Dimensions at 1/4 W
in · ASME B18.21.1 · 2009 (R2016) edition| Dimension | Nominal | Min | Max | |
|---|---|---|---|---|
| d | Thread size | 1/4 W | – | – |
| Washer series | W | – | – | |
| A | Inner diameter | 0.312 | – | – |
| A + | Inner diameter plus tolerance | 0.015 | – | – |
| A − | Inner diameter minus tolerance | 0.005 | – | – |
| B | Outer diameter | 0.734 | – | – |
| B + | Outer diameter plus tolerance | 0.015 | – | – |
| B − | Outer diameter minus tolerance | 0.007 | – | – |
| C | Washer thickness | 0.065 | 0.051 | 0.08 |
- Approx. weight
- ≈ 2.90 kg per 1 000 pieces · Bare steel, before coating and packing.345 pieces per kg
