Ratings & Reviews for Hillman 5/16-in Zinc-plated Steel External tooth Lock Washer 2-Count

What Customers Are Saying

Customers overwhelmingly praise these lock washers for reliably preventing bolts and nuts from loosening under vibration and stress. The split-lock design is consistently noted as simple yet highly effective across mechanical, automotive, and home improvement applications. Reviewers commend the solid construction, uniform sizing, and stainless galvanized finish with no visible defects. Most customers highlight the precise fit and excellent value, with many stating they would purchase again. A very small number mention isolated rust concerns or pricing questions, but these are vastly outweighed by widespread satisfaction with performance and durability.