Sacrificial Zinc Anode Bolt-On 2ZB – 2.3kg Round (138mm x 35mm)
Product Overview
This 2ZB sacrificial zinc anode is a bolt-on hull anode designed to protect metal components on boats from galvanic corrosion. With a 2.3kg gross weight and round profile, it provides reliable, long-lasting protection in saltwater environments.
⭐ Key Features
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2.3kg zinc anode (approx. 2.0kg nett)
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Round bolt-on design – easy installation to hull or trim tabs
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Dimensions: 138mm diameter × 35mm thickness
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Steel core insert (50 × 50 × 3mm) for secure mounting
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Marine-grade zinc – ideal for saltwater use
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Helps protect hull, prop shafts, and fittings from corrosion
⚓ Typical Uses
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Boat hull protection
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Trim tabs and transoms
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Shafts and underwater fittings
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Commercial and leisure vessels
💡 What It Does (Important for Buyers)
Sacrificial anodes work by corroding instead of your boat’s metal parts, protecting them from electrolysis and galvanic damage. Zinc anodes are specifically suited for saltwater environments.
📏 Specifications
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Type: Bolt-On Hull Anode
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Material: Zinc
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Model: 2ZB
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Weight: 2.3kg (gross)
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Dimensions: 138mm × 35mm
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Mounting: Bolt-on with steel core




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