Hillman 3/8-in Stainless steel Stainless steel Split Lock Washer

Commonly used in applications using a bolt or a screw where two pieces are being joined together

18-8 Stainless steel finish offers best-in-class corrosion resistance

Split ends grip the material surface to prevent loosening during vibration

Use with bolts and nuts of the same material, finish and size

For use with any indoor or outdoor project with treated lumber