Woodruff Keys , Ni-Cu Alloy (Monel, K-Monel, etc.)

Woodruff keys, sometimes called Half-Moon Keys, are semicircular shaped keys, such that, when installed into a semi-circular pocket keyway in a shaft, they leave a protruding tab.. They are used to improve the concentricity of the shaft and the mating part, which is critical for high speed operation. They are called “keys” because they lock a component to the shaft by means of a corresponding keyway in a shaft.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
HayesCAWoodruff KeyNi-Cu Alloy (Monel, K-Monel, etc.)Plain3/16 x 7/83/16x7/8 (dia) woodruff key monel150
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HayesCAWoodruff KeyNi-Cu Alloy (Monel, K-Monel, etc.)Plain1/4 x 1 1/21/4x1 1/2 (dia) woodruff key monel48
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HayesCAWoodruff KeyNi-Cu Alloy (Monel, K-Monel, etc.)Plain1/4 x 3/41/4 x 3/4 (dia) woodruff key monel1
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HayesCAWoodruff KeyNi-Cu Alloy (Monel, K-Monel, etc.)Plain1/8 x 5/81/8 x 5/8 (dia) woodruff key monel1
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HayesCAWoodruff KeyNi-Cu Alloy (Monel, K-Monel, etc.)Plain3/32 x 1/23/32 x 1/2 (dia) woodruff key monel17
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HayesCAWoodruff KeyNi-Cu Alloy (Monel, K-Monel, etc.)Plain1/4 x 7/81/4 x 7/8 (dia) woodruff key monel8
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