1/8 Woodruff Keys

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 
METRO INDOHWoodruff KeySteelPlain1/8 x 1/21/8x1/2 woodruff key 3505
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METRO INDOHWoodruff KeySteelPlain1/8 x 3/41/8x3/4 woodruff key 7412
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METRO INDOHWoodruff KeySteelPlain1/8 x 3/81/8x3/8 woodruff key 213275
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METRO INDOHWoodruff KeySteelPlain1/8 x 5/81/8x5/8 woodruff key 5340
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NAPPCOTXWoodruff KeySteelPlain1/8 x 1/2woodruff key steel 1/8x1/2532
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SWACOOHWoodruff KeySteelPlain1/8 x 1/21/8x1/2 woodruff key alloy #3 #40470
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OlanderCAWoodruff Key300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 3/81/8 x 3/8 woodruff key sst rohs96
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HayesCAWoodruff KeySteelPlain1/8 x 5/81/8x5/8 (dia) woodruff key pln stl31
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HayesCAWoodruff Key300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 5/81/8 x 5/8 (dia) woodruff key 18-8ss2
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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 Key300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/21/8 x 1/2 (dia) woodruff key 18-8 ss36
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HayesCAWoodruff Key300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 3/81/8 x 3/8 (dia) woodruff key 18-8ss51
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NutsBoltsNEWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 woodruff key20
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NutsBoltsNEWoodruff KeySteelPlain1/8 x 3/41/8 x 3/4 woodruff key58
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NutsBoltsNEWoodruff KeySteelPlain1/8 x 1/21/8 x 1/2 woodruff key40
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ACCURATEILWoodruff KeySteelPlain1/8 x 1/2woodruff key type 404 #370
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DeltaTXWoodruff KeySteelPlain1/8 x 3/8woodruff key steel (1035) 1/8 x 3/81424
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DeltaTXWoodruff KeySteelPlain1/8 x 3/4woodruff key steel (1035) 1/8 x 3/4503
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DeltaTXWoodruff KeySteelPlain1/8 x 1/2woodruff key steel (1035) 1/8 x 1/23075
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NAPPCOTXWoodruff KeySteelPlain1/8 x 1/2woodruff key steel 1/8x1/2532
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DeltaTXWoodruff KeySteelPlain1/8 x 5/8woodruff key steel (1035) 1/8x5/860
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BHAMALWoodruff KeySteelPlain1/8 x 5/8woodruff key100
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LibertyILWoodruff KeySteelPlain1/8 x 3/8woodruff key700
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Alpine SuUTWoodruff KeySteelPlain1/8 x 1/21/8 x1/2 (#3) woodruff key300
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CenturyFLWoodruff KeySteelPlain1/8 x 1/21/8 x 1/2 woodruff keys940
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CenturyFLWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 woodruff key #40550
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CenturyFLWoodruff KeySteelPlain1/8 x 3/4ms35756-10303
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ZAL INDUSCAWoodruff KeySteelPlain1/8 x 1/21/8x1/2 woodruff key-100 pcs. pr box1
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ZAL INDUSCAWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 woodruff key100
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FTSOHWoodruff KeySteelPlain1/8 x 5/8woodruff key13179
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JacksonMSWoodruff KeySteelPlain1/8 x 1/2 #3woodruff key carbon finish228
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JacksonMSWoodruff KeySteelPlain1/8 x 5/8 #5woodruff key carbon finish238
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JacksonMSWoodruff KeySteelPlain1/8 x 3/4 #7woodruff key carbon finish340
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JacksonMSWoodruff KeySteelPlain1/8 x 3/8 #213woodruff key carbon finish387
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FastWareSaskWoodruff KeySteelPlain1/8 x 5/8woodruff key #5146
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SRFALWoodruff KeySteelPlain1/8 x 3/8woodruff key #213-
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SRFALWoodruff KeySteelPlain1/8 x 5/8woodruff key #5-
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SRFALWoodruff KeySteelPlain1/8 x 1/2woodruff key #3-
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SRFALWoodruff KeySteelPlain1/8 x 3/4woodruff key #740
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OBRIENOHWoodruff KeySteelPlain1/8 x 3/8woodruff key #403900
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THRDFASTALWoodruff KeySteelPlain1/8 x 3/8woodruff key #213220
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AFIFLWoodruff KeySteelPlain1/8 x 1/21/8x1/2 woodruff key carbon st1200
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MTPCAWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 steel woodruff keystock
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Valley NuWAWoodruff KeySteelPlain1/8 x 3/4woodruff key106
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Valley NuWAWoodruff KeySteelPlain1/8 x 3/8woodruff key25
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Alma BoltMIWoodruff KeySteelPlain1/8 x 3/8 #213woodruff key274
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Alma BoltMIWoodruff KeySteelPlain1/8 x 5/8 #5woodruff key552
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SBSMAWoodruff KeySteelPlain1/8 x 3/8woodruff key
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SBSMAWoodruff KeySteelPlain1/8 x 5/8woodruff key
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Alma BoltMIWoodruff KeySteelPlain1/8 x 1/2woodruff key211
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