TECNOSEAL is one of the leading global suppliers of anodes for cathodic protection in industries such as water recreation, shipbuilding, and maritime applications.
With over 30 years of experience, they manufacture anodes made of zinc, aluminum, and magnesium directly at their factory in Grosseto, Tuscany. Today, they offer the largest selection of anodes in the world: nearly 2,000 standard production anodes and over 3,000 custom-made products crafted to meet customer demands.
Fast deliveries of yacht equipment, calculation, selection of analogues and spare parts. Send us your request and we will contact you ASAP with a solution. We deliver in Cyprus, throughout Europe and worldwide. More than 10 years of experience.
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1-2 weeks delivery time Tecnoseal 03503 zinc Vetus-Type conical plate sacrificial anode for hull and transom applications. The anode measures Ø79 x 45 mm and weighs 1.05 kg. Technical dimensions include Ø1 11 mm, Ø2 46 mm and Ø3 34 mm. Select this model where the overall diameter, height and mounting dimensions match the existing installation. |
$ 71.38
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1-2 weeks delivery time Tecnoseal 03503AL aluminium Vetus-Type conical plate sacrificial anode for hull and transom applications. The anode measures Ø79 x 45 mm and weighs 0.41 kg. Technical dimensions include Ø1 11 mm, Ø2 46 mm and Ø3 34 mm. Select this model where the overall diameter, height and mounting dimensions match the existing installation. |
$ 55.43
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1-2 weeks delivery time Tecnoseal 03503MG magnesium Vetus-Type conical plate sacrificial anode for hull and transom applications. The anode measures Ø79 x 45 mm and weighs 0.30 kg. Technical dimensions include Ø1 11 mm, Ø2 46 mm and Ø3 34 mm. Select this model where the overall diameter, height and mounting dimensions match the existing installation. |
$ 96.01
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1-2 weeks delivery time Tecnoseal zinc Radice conical propeller sacrificial anodes for fixed pitch propeller installations, supplied as replacement anodes only. The range includes ten models for shaft sizes from Ø22–25 mm up to Ø110 mm, with weights from 0.14 to 7.65 kg. Available versions cover heights from 39 to 134 mm and overall diameters from Ø33 to Ø160 mm, with individual Ø1, Ø2 and Ø3 dimensions for replacement matching. Select the required Tecnoseal model according to shaft size, anode dimensions and weight. |
$ 11.95
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1-2 weeks delivery time Tecnoseal aluminium Radice conical propeller sacrificial anodes for fixed pitch propeller installations, supplied as replacement anodes only. The range includes ten models for shaft sizes from Ø22–25 mm up to Ø110 mm, with weights from 0.05 to 3.00 kg. Available versions range from 39 to 134 mm in height and from Ø33 to Ø160 mm in overall diameter, with individual Ø1, Ø2 and Ø3 dimensions for replacement matching. Select the required Tecnoseal model according to shaft size, anode dimensions and weight. |
$ 5.43
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1-2 weeks delivery time Tecnoseal magnesium Radice conical propeller sacrificial anodes, supplied as replacement anodes only. The range includes ten models for shaft sizes from Ø22–25 mm up to Ø110 mm, with weights from 0.04 to 1.93 kg. Available versions range from 39 to 134 mm in height and from Ø33 to Ø160 mm in overall diameter, with individual Ø1, Ø2 and Ø3 dimensions for replacement matching. Select the required Tecnoseal model according to shaft size, anode dimensions and weight. |
$ 12.95
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1-2 weeks delivery time Tecnoseal zinc Radice conical propeller sacrificial anodes for fixed pitch propeller installations, supplied complete with a brass plug. The range includes standard brass plug versions and non-standard configurations for shaft sizes from Ø22–25 mm up to Ø70/100 mm. Available models cover overall diameters from Ø37 to Ø100 mm, h dimensions from 20 to 46 mm and h1 dimensions from 18 to 54 mm, with weights from 0.27 to 7.15 kg. Standard and non-standard versions are differentiated by the m specification, including multiple thread sizes, left-hand thread versions and Ø8, Ø10 or Ø12 hole configurations. Select the required model according to shaft size, plug thread or hole specification, dimensions and weight. |
$ 64.40
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1-2 weeks delivery time Tecnoseal aluminium Radice conical propeller sacrificial anodes for fixed pitch propeller installations, supplied complete with a brass plug. The range includes nine standard brass plug models and selected non-standard configurations for shaft sizes from Ø22–25 mm up to Ø70/100 mm. Available versions range from 20 to 46 mm in h dimension, 18 to 46 mm in h1 dimension and from Ø37 to Ø100 mm in overall diameter, with weights from 0.11 to 4.52 kg. Standard models use the corresponding Radice brass plug thread, while the non-standard versions include Tecnoseal 00410-2AL with 18x1.5 thread, 00413-1AL with 26x2 thread and 00414-2AL with 30x2 thread. Select the required version according to shaft size, plug type, thread size, dimensions and weight.
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$ 57.86
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1-2 weeks delivery time Tecnoseal zinc Radice hexagonal-type propeller sacrificial anodes for fixed pitch propeller installations, supplied as replacement anodes only. The range includes nine models for shaft sizes from Ø22–25 mm up to Ø70/100 mm, with weights from 0.12 to 2.58 kg. Available versions range from 39 to 98 mm in height and from Ø33 to Ø97 mm in overall diameter, with individual c, Ø1 and Ø2 dimensions for replacement matching. Select the required model according to shaft size, anode dimensions and weight. |
$ 12.81
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1-2 weeks delivery time Tecnoseal aluminium Radice hexagonal-type propeller sacrificial anodes for fixed pitch propeller installations, supplied as replacement anodes only. The range includes nine models for shaft sizes from Ø22–25 mm up to Ø70/100 mm, with weights from 0.05 to 1.01 kg. Available versions range from 39 to 98 mm in height and from Ø33 to Ø97 mm in overall diameter, with individual c, Ø1 and Ø2 dimensions for replacement matching. Select the required model according to shaft size, anode dimensions and weight. |
$ 6.74
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1-2 weeks delivery time Tecnoseal magnesium Radice hexagonal-type propeller sacrificial anodes for fixed pitch propeller installations, supplied as replacement anodes only. The range includes nine models for shaft sizes from Ø22–25 mm up to Ø70/100 mm, with weights from 0.03 to 0.65 kg. Available versions range from 39 to 98 mm in height and from Ø33 to Ø97 mm in overall diameter, with individual c, Ø1 and Ø2 dimensions for replacement matching. Select the required model according to shaft size, anode dimensions and weight. |
$ 14.80
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1-2 weeks delivery time Tecnoseal zinc Radice hexagonal-type propeller sacrificial anodes for fixed pitch propeller installations, supplied complete with a brass plug. The range includes standard and non-standard configurations for shaft sizes from Ø22–25 mm up to Ø70/100 mm, with weights from 0.27 to 6.90 kg. Standard versions use the corresponding metric brass plug thread, while non-standard versions include alternative metric threads, Whitworth threads and Ø hole configurations. Available models range from 18 to 46 mm in h dimension, 18 to 54 mm in h1 dimension and from Ø37 to Ø100 mm in overall diameter. Select the required version according to shaft size, m configuration, dimensions and weight. |
$ 77.65
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1-2 weeks delivery time Tecnoseal magnesium Radice hexagonal-type propeller sacrificial anodes for fixed pitch propeller installations, supplied complete with a standard brass plug. The range includes nine models for shaft sizes from Ø22–25 mm up to Ø70/100 mm, with weights from 0.21 to 4.08 kg. Available versions range from 19 to 45 mm in h dimension, 18 to 54 mm in h1 dimension and from Ø37 to Ø100 mm in overall diameter. Standard brass plug thread sizes range from 16x1.5 to 50x3 depending on model. Select the required version according to shaft size, thread size, dimensions and weight. |
$ 200.84
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1-2 weeks delivery time Tecnoseal stainless steel washers for fastening Radice propeller anodes, available in nine sizes for shaft diameters from 22–25 mm up to 70–100 mm. The range includes washers with Ø1 outside diameters from 38 to 100 mm, Ø2 dimensions from 16 to 50 mm and c dimensions from 6 to 20 mm. Weights range from 0.005 to 0.05 kg. Select the required washer according to shaft size and Ø1, Ø2 and c dimensions. |
$ 7.57
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1-2 weeks delivery time Tecnoseal zinc NACA-profile shaft collar sacrificial anodes, available in nine sizes for shafts from 19 to 35 mm, including metric and imperial shaft configurations. All models have a height of 25 mm, with outside diameters of Ø55 or Ø66 mm depending on size. The range covers Ø1 shaft openings from 19 to 35 mm and zinc anode weights from 0.22 to 0.32 kg. Select the required model according to shaft diameter, outside diameter and weight. |
$ 22.18
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1-2 weeks delivery time Tecnoseal aluminium NACA-profile shaft collar sacrificial anodes, available in nine sizes for shafts from 19 to 35 mm, including metric and imperial shaft configurations. All models have a height of 25 mm, with outside diameters of Ø55 or Ø66 mm depending on size. The range covers shaft openings from 19 to 35 mm and aluminium anode weights from 0.07 to 0.12 kg. Select the required model according to shaft size, outside diameter and weight. |
$ 17.88
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1-2 weeks delivery time Tecnoseal magnesium NACA-profile shaft collar sacrificial anodes, available in nine configurations for shaft sizes from 19 to 35 mm, including metric and imperial shaft dimensions. All models have a height of 25 mm, with outside diameters of Ø55 or Ø66 mm depending on size. Shaft openings range from 19 to 35 mm, while magnesium anode weights range from 0.06 to 0.10 kg. Select the required model according to shaft size, outside diameter, shaft opening and weight. |
$ 21.14
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1-2 weeks delivery time Tecnoseal zinc shaft collar sacrificial anodes available in Limited Clearance, Slim, Medium and Large Size configurations for shaft diameters from 19 mm / 3/4" up to 360 mm. The range includes metric and imperial shaft sizes, with collar heights from 18 to 60 mm, overall diameters from Ø61 to Ø511 mm and weights from 0.21 to 49.40 kg. Available models include compact collars for 19–50 mm shafts, medium-size versions for shafts up to 95 mm and large collars for shaft diameters from 100 to 360 mm. Select the required Tecnoseal model according to shaft diameter, overall collar diameter, height and weight. |
$ 16.59
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What is the role of a Tecnoseal anode in protecting a boat's hull from corrosion?
Tecnoseal anodes play a critical role in protecting a boat's hull from corrosion through the use of sacrificial anodes for cathodic protection. These anodes, made from aluminum and magnesium, act as a "sacrificial" layer that corrodes in place of the boat's hull and engine components, preserving their integrity in marine environments. As one of the world’s leading suppliers of sacrificial anodes, Tecnoseal ensures top-quality protection for both leisure boats and larger ships.
For high-quality corrosion prevention, explore our Anodes for Aluminium Boats, designed to ensure long-lasting marine protection.
What are the differences between aluminum and magnesium anodes in terms of their application on boats?
Aluminum and magnesium anodes serve different purposes based on the type of water where boats operate. Magnesium anodes are more active and are best suited for freshwater environments, offering high-quality cathodic protection by corroding faster than aluminum. Aluminum anodes, on the other hand, are more commonly used in saltwater and brackish water, as they provide long-lasting protection for boats in harsher marine environments, making them ideal for a wide range of leisure and naval applications.
How does zinc protect a boat's hull from corrosion in saltwater environments?
Zinc anodes, produced by Tecnoseal foundry, offer essential cathodic protection to a boat's hull in saltwater environments. By acting as sacrificial anodes, zinc absorbs the corrosive effects of seawater, protecting the boat’s hull and other metal components. Tecnoseal, with a wide range of anodes specifically designed for the leisure boat market, produces and supplies high-quality zinc anodes that meet the needs of both recreational and commercial vessels, ensuring long-lasting protection against corrosion.