# Hillman 50-Piece 5/16 in. Galvanized Anti-Turn Washer

**Brand:** [Hillman](https://shop.coreranger.com/brands/Hillman)
**SKU:** 290301
**Price:** $11.49 · in stock
**URL:** https://shop.coreranger.com/product/hillman-50-piece-5-16-in-galvanized-anti-turn-washer-302985629

## Specifications

| Spec | Value |
|---|---|
| Grade | Not Graded |
| Model # | 290301 |
| Internet # | 302985629 |
| Returnable | 90-Day |
| Store SKU # | 1002715153 |
| Fastener Type | Torque Washer |
| Finish Family | Silver |
| Fits Bolt Size | 5/16 inch |
| Fastener Plating | Uncoated |
| Outside Diameter | 11/16 in |
| Package Quantity | 50 |
| Washer Thickness | 0.065 in |
| Fastener Material | Steel |
| Measurement System | Metric |

## Description

Anti-turn washers have serrations that extend radially inward and/or outward to bite into the bearing surface. This type of washer is effective as a lock washer when used with a soft substrate, such as aluminum or plastic. Variants all conform to ASTM A153.

• Prevents rotation when used with wood, aluminum, or plastic
• Hot-dipped galvanized finish for longevity
• Comes complete with 50 pieces of anti-turn washers