Hillman 290301 5/16-Inch Anti-Turn Washer, 50-Pack, Galvanized

Hillman 290301 5/16-Inch Anti-Turn Washer, 50-Pack, Galvanized

Hillman 290301 5/16-Inch Anti-Turn Washer, 50-Pack, Galvanized

The anti-turn washer has 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. The anti-turn washer has 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.

Key Features

• ✅ Prevents rotation once installed
• ✅ Conforms to ASTM A153
• ✅ Made of high-strength steel
• ✅ Mechanically galvanized finish
• ✅ Quality Hillman fasteners

✅ Color: Galvanized

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