Zinc Shaft Collar Anode 30mm ID CMT-C30

Martyr Zinc Shaft Collar Anode 30mm ID CMT-C30

Sacrificial zinc donut/collar anode for 30mm metric propeller shafts. Slides over the shaft to protect the shaft, cutlass bearing, and adjacent hardware from galvanic corrosion in saltwater and brackish water service. Common on European and import inboard and outboard applications.

• Inner diameter: 30mm fits 30mm metric propeller shafts
• Zinc construction saltwater and brackish water; not for freshwater
• Secured with set screws confirm inclusion or source separately before ordering
• Confirm shaft diameter before ordering
• SKU: CMT-C30 | Alt: CMTC30