25BS21H X 1/4 Sprocket - 1/4" Pitch - 21 Teeth - 1/4" Finished Bore Includes 2 Set Screws - No Keyway Hardened Teeth Common Interchanges 25BS21 X 1/4 H25B21 1/4
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25BS21H X 1/4 Sprocket - 1/4" Pitch - 21 Teeth - 1/4" Finished Bore Includes 2 Set Screws - No Keyway Hardened Teeth Common Interchanges 25BS21 X 1/4 H25B21 1/4
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