The Hillman Group 43794 1/4-Inch Internal Tooth Lock Washer, Stainless Steel, 50-Pack
- Parts work best with large head screws such as round, pan, binding, and washer-head screws.
- Included variants run from #4 to 1/2" in screw size.
- Full assortment includes both internal and external variants.
- Stainless steel finish for best-in-class corrosion resistance.
- These stainless steel external toothed lock washers feature a 5/16" screw size.