Suitable for vessels in salt water, this zinc heavy duty shaft anode is particularly suited to vessels with high shaft speeds. The zinc shaft anode builds on an integral core bar design that controls wastage, ensuring the shaft anode remains secure. Suitable for 22mm (7/8") shafts, the zinc anode incorporates socket head stainless steel fixings with captive nuts, ensuring maximum reliability.
MG Duff's Anodes are renowned for their superior quality and high zinc content. The anodes offer excellent cathodic protection and help control and prevent the corrosion of metals aboard your boat. Suitable for salt water use.
Also available in:
Aluminium - MGDA78.
MG Duff Zinc Heavy Duty Shaft Anode Size Guide:
- If you wish to navigate to a different anode in the list, simply click on the part number.
| Part No. | Shaft Diameter (mm) | Outer Diameter (mm) | Length (mm) | Weight (kg) |
| MGD34 | 19 | 56 | 65 | 0.76 |
| MGD78 | 22 | 56 | 65 | 0.171 |
| MGD25 | 25 | 56 | 65 | 0.67 |
| MGD1 | 25.4 | 56 | 65 | 0.66 |
| MGD118 | 29 | 56 | 65 | 0.61 |
| MGD30 | 30 | 56 | 65 | 0.59 |
| MGD114 | 32 | 70 | 78 | 1.21 |
| MGD138 | 34.8 | 70 | 78 | 1.33 |
| MGD35 | 35 | 69 | 78 | 1.13 |
| MGD112 | 38 | 70 | 78 | 1.04 |
| MGD40 | 40 | 69 | 78 | 0.98 |
| MGD134 | 44.4 | 85 | 100 | 2.39 |
| MGD45 | 45 | 85 | 100 | 2.36 |
| MGD50 | 50 | 85 | 100 | 2.13 |
| MGD2 | 51 | 85 | 100 | 2.09 |
| MGD60 | 60 | 85 | 100 | 1.58 |
| MGD70 | 70 | 113 | 96 | 1.92 |
Useful Links:
Explore our full range of shaft anodes.
Blog: How to fit shaft anodes.
Blog: How often should a sacrificial anode be replaced on a boat?
Blog: Aluminium versus zinc anodes.
