An aluminium rudder anode suitable for salt or fresh water. The aluminium disc anode is manufactured in the United Kingdom to US MIL Spec-A-18001K standards.
Every rudder anode sold by Anode Outlet is genuine and manufactured to the highest quality anode specification. Item(s) shown in image may not come in manufacturers€™ branded packaging due to production processes.
Specifications:
Please refer to the diagram in product images for full specifications.
| Part No. | Diameter | Height | Hole Centre (Top) | Hole Centre (Bottom) | Weight |
| 04AB | 100mm | 25mm | 12mm | 32mm | 0.40kg |
| 08AB | 132mm | 31mm | 12mm | 32mm | 0.80kg |
| 12AB | 159mm | 25mm | 12mm | 34mm | 1.2kg |
| 16AB | 160mm | 35mm | 12mm | 35mm | 1.6kg |
| 28AB | 230mm | 25mm | 18mm | 50mm | 2.8kg |
| 37AB | 230mm | 35mm | 18mm | 50mm | 3.7kg |
Aluminium Alloy Specification:
| Components | Percentage (%) |
| Silicon | 0.05-0.20 |
| Zinc | 3.50-5.00 |
| Titanium | 0.01-0.05 |
| Bismuth | 0.05-0.15 |
| Indium | 0.02-0.05 |
| Aluminium | Remainder |
Impurities:
| Copper | 0.01 Max |
| Iron | 0.15 Max |
| Others each | 0.02 Max |
| Others total | 0.05 Max |
Further Specifications:
Electrochemical capacity: 2700 AHr / Kg nominal.
Solution potential: -1100 mV vs. Ag / AgCI reference cell nominal (in seawater).
Useful Links:
Explore our full range of aluminium disc anodes.
Blog: Fitting anodes to trim tabs and rudders.
Blog: How often should a sacrificial anode be replaced on a boat?
Blog: Cathodic protection for boats.
Blog: Aluminium versus zinc anodes.
- Type:
- Disc Anode
