Climax Part RC-050-A Aluminum Rigid Coupling, 1/2 inch bore, 1 inch OD, 1 1/2 inch length, 1/4-20 x 1/4 Set Screw
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Feature
Provides torque transmision and alignmentCost effective coupling design
Easily installed where major disassembly would otherwise be required
Tolerance: +.0005/+.0025
Aluminum is lightweight and corrosion resistant