Couplers: 4mm - 6mm Bore

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4000-0004-0006
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4000 Series Clamping Shaft Coupler (4mm Round Bore to 6mm Round Bore)

$3.99
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4009-0004-0006
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Set-Screw Shaft Coupler (4mm Round Bore to 6mm Round Bore)

$4.99

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