Steel parts are available plain or with a zinc .00015″ standard finish. Other materials and finishes available on request.
Typical Applications: Castings, heavy machinery and equipment.
Specifications: All commercial and military tooth lockwashers supplied by WCL Company and listed on these pages conform to ASME B18.21.1 and to all applicable specifications as reported by IFI.
- Retain locking tension under heavy loads.
- Use with heavy bolts and nuts and with heat treated bolts.
- Strong internal teeth lock into bolt head or nut to prevent backoff rotation
| Nominal Washer Size |
Hole Diameter Min. |
Hole Diameter Max. |
Outside Diameter Min. |
Outside Diameter Max. |
Thickness | WCLPart Number |
Cross Reference |
MS35334 Steel CD2 Finish |
|---|---|---|---|---|---|---|---|---|
| 1/4 | 0.256 | 0.267 | 0.536 | 0.5 | 0.039 | INTH-0250-00-00 | 1414-00 | -19 |
| 1/4 | 0.256 | 0.267 | 0.594 | 0.607 | 0.039 | INTH-0250-01-00 | 1414.01 | |
| 5/16 | 0.32 | 0.332 | 0.59 | 0.607 | 0.045 | INTH-0312-00-00 | 1418-00 | -20 |
| 3/8 | 0.384 | 0.398 | 0.7 | 0.748 | 0.045 | INTH-0375-00-00 | 1420-00 | -21 |
| 7/16 | 0.448 | 0.464 | 0.8 | 0.858 | 0.062 | INTH-0437-00-00 | 1422-00 | -22* |
| 1/2 | 0.512 | 0.53 | 0.88 | 0.924 | 0.062 | INTH-0500-00-00 | 1424-00 | -23 |
| 9/16 | 0.576 | 0.596 | 0.99 | 1.034 | 0.062 | INTH-0562-00-00 | 1426-00 | -24* |
| 5/8 | 0.64 | 0.663 | 1.1 | 1.135 | 0.062 | INTH-0625-00-00 | 1428-00 | -25 |
| 3/4 | 0.768 | 0.795 | 1.24 | 1.265 | 0.078 | INTH-0750-00-00 | 1432-00 | -26 |
| 7/8 | 0.894 | 0.927 | 1.4 | 1.447 | 0.078 | INTH-0875-00-00 | 1434-00 | -26 |
* Inactive for new design per specification but still available.