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Split lock washers provide greater bolt tensioning for tighter assemblies and provide protection against loosening resulting from vibration. Lock washers can be used with a standard washer to provide uniform bearing surface. These washers are unhardened and intended for general use.
Diameters: 1/4- 21/2
Finish: Black and hot-dip galvanized
| Bolt Size | B | A | C | Weight in Pounds Per 1000 Pieces |
|---|---|---|---|---|
| Outside Diameter | Inside Diameter | Thickness | ||
| Min | ||||
| 1/4 | 1/2 | 9/32 | .062 | 2.4 |
| 3/8 | 5/8 | 12/32 | .094 | 6.0 |
| 1/2 | 7/8 | 17/32 | 0.125 | 13 |
| 5/8 | 1 | 21/32 | 0.156 | 24 |
| 3/4 | 1-1/4 | 25/32 | 0.188 | 43 |
| 7/8 | 1-15/32 | 29/32 | 0.219 | 60 |
| 1 | 1-21/32 | 1-1/32 | 0.250 | 88 |
| 1-1/8 | 2-5/32 | 1-27/32 | 0.281 | 120 |
| 1-1/4 | 2 | 1-3/8 | 0.312 | 160 |
| 1-3/8 | 2-1/4 | 1-1/2 | 0.344 | 219 |
| 1-1/2 | 2-7/16 | 1-9/16 | 0.375 | 282 |
Dimensions per ANSI B18.21.1 1999
