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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 3/81/8x3/8 woodruff key 213275
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Valley NuWAWoodruff KeySteelPlain1/8 x 3/8woodruff key25
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SRFALWoodruff KeySteelPlain1/8 x 3/8woodruff key #213-
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OBRIENOHWoodruff KeySteelPlain1/8 x 3/8woodruff key #403900
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DeltaTXWoodruff KeySteelPlain1/8 x 3/8woodruff key steel (1035) 1/8 x 3/8 ((USA STD #403))1424
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SWACOOHWoodruff KeySteelPlain1/8 x 3/81/8x3/8 woodruff key #403 #213215
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LibertyILWoodruff KeySteelPlain1/8 x 3/8woodruff key700
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JET IndusWIWoodruff KeySteelPlain1/8 x 3/8woodruff key 1/8x3/8 carbon {usa#403}100
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IPCVAWoodruff KeySteelPlain1/8 x 3/81/8x3/8 woodruff key (403)185
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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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THRDFASTALWoodruff KeySteelPlain1/8 x 3/8woodruff key #213220
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JET FITTINGCAWoodruff KeySteelPlain1/8 x 3/81/8x3/8 woodruff key #403 #213 WK-.12.37215
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METRO INDOHWoodruff KeySteelPlain1/8 x 1/21/8x1/2 woodruff key 3505
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ACCURATEILWoodruff KeySteelPlain1/8 x 1/2woodruff key type 404 #360
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CenturyFLWoodruff KeySteelPlain1/8 x 1/21/8 x 1/2 woodruff keys (STEEL #404) (STEEL #404) 867
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NAPPCOTXWoodruff KeySteelPlain1/8 x 1/2woodruff key steel 1/8x1/2 532
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SRFALWoodruff KeySteelPlain1/8 x 1/2woodruff key #3-
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NutsBoltsNEWoodruff KeySteelPlain1/8 x 1/21/8 x 1/2 woodruff key25
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DeltaTXWoodruff KeySteelPlain1/8 x 1/2woodruff key steel (1035) 1/8 x 1/2 ((USA STD #404))3075
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KomarARWoodruff KeySteelPlain#3 woodruff key(1/8x1/2) hardened rc 40-50
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JET IndusWIWoodruff KeySteelPlain1/8 x 1/2woodruff key 1/8x1/2 carbon {usa#404}42
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IPCVAWoodruff KeySteelZinc/Clear1/8 x 1/21/8x1/2 woodruff key flat bottom alloy hardened rc 40-50 must be rohs compliant3,488
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IPCVAWoodruff Key300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/8 x 1/21/8x1/2 woodruff key 18-8 s/s steel31,142
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EndriesWIWoodruff KeySteelPlain#3 1/8x1/2 carbon woodruff key3585
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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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NAPPCOTXWoodruff KeySteelPlain1/8 x 1/2woodruff key steel 1/8x1/2532
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Fastener OHWoodruff KeySteelPlain1/8 x 1/2woodruff key 1/8x1/2 steel plain17
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CenturyNYWoodruff KeySteelPlain35-56017-0039-1 woodruff key modified per print rev a9
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AFIFLWoodruff KeySteelPlain1/8 x 1/21/8x1/2 woodruff key carbon st () ()1200
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Alma BoltMIWoodruff KeySteelPlain1/8 x 1/2woodruff key211
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HayesCAWoodruff KeySteelPlain1/8 x 5/81/8x5/8 (dia) woodruff key pln stl31
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METRO INDOHWoodruff KeySteelPlain1/8 x 5/81/8x5/8 woodruff key 5340
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CenturyFLWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 woodruff key #405 (ALLOY MATERIAL 8630 REV-4) (ALLOY MATERIAL 8630 REV-4) 50
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SRFALWoodruff KeySteelPlain1/8 x 5/8woodruff key #5-
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NutsBoltsNEWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 woodruff key20
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BHAMALWoodruff KeySteelPlain1/8 x 5/8woodruff key100
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FastWareSaskWoodruff KeySteelPlain1/8 x 5/8woodruff key #5146
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MTPCAWoodruff KeySteelPlain1/8 x 5/81/8 x 5/8 steel woodruff keystock
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JET IndusWIWoodruff KeySteelPlain1/8 x 5/8woodruff key 1/8x5/8 carbon {usa#405}74
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IPCVAWoodruff Key316, 317, A4 StainlessPlain1/8 x 5/81/8x5/8 woodruff key 405 316 ss119
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EndriesWIWoodruff KeySteelPlain1/8 x 5/8#5 alloy woodruff key rockwell c hardness 40/507339
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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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DeltaTXWoodruff KeySteelPlain1/8 x 5/8woodruff key steel (1035) 1/8x5/8 ((USA STD #405))81
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FTSOHWoodruff KeySteelPlain1/8 x 5/8woodruff key13179
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KomarILWoodruff KeySteelPlain1/8 x 5/8#5 woodruff key(1/8 x 5/8) carbon stl
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CenturyFLWoodruff KeySteelPlain1/8 x 5/8ms35756-8 q4b61
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METRO INDOHWoodruff KeySteelPlain1/8 x 3/41/8x3/4 woodruff key 7412
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Valley NuWAWoodruff KeySteelPlain1/8 x 3/4woodruff key106
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SRFALWoodruff KeySteelPlain1/8 x 3/4woodruff key #740
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NutsBoltsNEWoodruff KeySteelPlain1/8 x 3/41/8 x 3/4 woodruff key58
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DeltaTXWoodruff KeySteelPlain1/8 x 3/4woodruff key steel (1035) 1/8 x 3/4 ((USA STD #2406)503
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EndriesWIWoodruff KeySteelPlain1/8 x 3/4#7 1/8x3/4 carbon woodruff key23
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CenturyNYWoodruff KeySteelPlain#7 woodruff key alloy steel100
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JacksonMSWoodruff KeySteelPlain1/8 x 1/2 #3woodruff key carbon finish218
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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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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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