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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METRO INDOHWoodruff KeySteelPlainM4 x 6.5woodruff key din 6888258
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METRO INDOHWoodruff KeySteelPlainM4 x 7.5woodruff key din 68881283
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METRO INDOHWoodruff KeySteelPlainM4 x 9woodruff key din 6888176
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SWACOOHWoodruff KeySteelPlainM4 x 6.5 x 45m4x6.5 woodruff key din 6888 st c 45 k pln200
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MTPCAWoodruff KeySteelPlainM4 x 7.5m 4 x 7.5 din 6888-st woodruff keysstock
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MTPCAWoodruff KeySteelPlainM4 x 5m 4 x 5 din 6888-st woodruff keys383
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MTPCAWoodruff KeySteelPlainM4 x 6.5m 4 x 6.5 din 6888-st woodruff keysstock
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MTPCAWoodruff KeySteelPlainM4 x 9m 4 x 9 din 6888-st woodruff keysstock
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MMCCILWoodruff KeySteelPlainM4 x 6.5woodruff key din 6888 steel plain1584
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MMCCILWoodruff KeySteelPlainM4 x 7.5woodruff key din 6888 steel plain1
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MMCCILWoodruff KeySteelPlainM4 x 5woodruff key din 6888 steel plain2353
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VertexDILWoodruff KeySteelPlainM4 x 6.5din 6888 m4x6.5 woodruff key plain9530
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VertexDILWoodruff KeySteelPlainM4 x 5din 6888 m4x5 woodruff key plain s4472
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VertexDILWoodruff KeySteelPlainM4 x 7.5din 6888 m4x7.5 woodruff key plain1800
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WDMBIAWoodruff KeySteelPlainM4 x 0 x 6worukey din 6888 c45k 4 0x6 5106
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MtrcSpecCAWoodruff KeySteelPlainM4 x 5 x 12.65M4x5 woodruff key 12.65 long din 6888stock
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MtrcSpecCAWoodruff KeySteelPlainM4 x 6.5 x 15.72M4x6.5 woodruff key-15.72 long din 6888stock
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BritMetMDWoodruff KeySteelPlainM4 x 6.5din 6888 woodruff keys bn 873490
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WurthINWoodruff KeySteelPlainM4 x 6.5m4 x 6.5 woodruff key din 68881,030
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MSTCMAWoodruff KeySteelPlainM4 x 54 x 5 din 6888 woodruff key stl pl79
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MSTCMAWoodruff KeySteelPlainM4 x 7.54 x 7.5 din 6888 woodruff key stl pl60
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MSTCMAWoodruff KeySteelPlainM4 x 94 x 9 din 6888 woodruff key stl pl189
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MSTCMAWoodruff KeySteelPlainM4 x 6.54 x 6.5 din 6888 woodruff key stl pl119
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