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Hillman 290303 1/2-Inch Anti-Turn Features
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Prevents rotation once installed
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Conforms to ASTM A153
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Made of high-strength steel
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Mechanically galvanized finish
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Quality Hillman fasteners
About Hillman 290303 1/2-Inch Anti-Turn
Product Description 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 aluminium or plastic. From the Manufacturer 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.
