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M4 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 KeySteelPlainM4 x 5woodruff key din 6888764
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MMCCILWoodruff KeySteelPlainM4 x 5woodruff key din 6888 steel plain2353
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MtrcSpecCAWoodruff KeySteelPlainM4 x 5 x 12.65M4x5 woodruff key 12.65 long din 6888stock
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MTPCAWoodruff KeySteelPlainM4 x 5m 4 x 5 din 6888-st woodruff keys383
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MSTCMAWoodruff KeySteelPlainM4 x 54 x 5 din 6888 woodruff key stl pl79
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METRO INDOHWoodruff KeySteelPlainM4 x 6.5woodruff key din 6888258
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EurolinkSCWoodruff Key316, 317, A4 StainlessPlainM4 x 6.54x6.5 a4 stainless steel woodruff key din 6888inquire
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MMCCILWoodruff KeySteelPlainM4 x 6.5woodruff key din 6888 steel plain1584
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MtrcSpecCAWoodruff KeySteelPlainM4 x 6.5 x 15.72M4x6.5 woodruff key-15.72 long din 6888stock
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WurthINWoodruff KeySteelPlainM4 x 6.5m4 x 6.5 woodruff key din 68881,030
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MTPCAWoodruff KeySteelPlainM4 x 6.5m 4 x 6.5 din 6888-st woodruff keysstock
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MSTCMAWoodruff KeySteelPlainM4 x 6.54 x 6.5 din 6888 woodruff key stl pl119
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METRO INDOHWoodruff KeySteelPlainM4 x 7.5woodruff key din 68881283
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MMCCILWoodruff KeySteelPlainM4 x 7.5woodruff key din 6888 steel plain1
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MTPCAWoodruff KeySteelPlainM4 x 7.5m 4 x 7.5 din 6888-st woodruff keysstock
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MSTCMAWoodruff KeySteelPlainM4 x 7.54 x 7.5 din 6888 woodruff key stl pl60
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METRO INDOHWoodruff KeySteelPlainM4 x 9woodruff key din 6888176
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MTPCAWoodruff KeySteelPlainM4 x 9m 4 x 9 din 6888-st woodruff keysstock
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MSTCMAWoodruff KeySteelPlainM4 x 94 x 9 din 6888 woodruff key stl pl189
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WINAMNWoodruff KeyAluminumPlainM4.0 x 6.5worukey c45k 4.0x6.5 din 688896
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Wurth IndINWoodruff KeyPlainM4.0 x 6.5worukey c45k 4.0x6.5 plain din 688896
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SWACOOHWoodruff KeyPlainM4 x 6.5m4x6.5 woodruff key st c 45 k pln din 6888100
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