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Grade 43 high test chains are calibrated shot link chains, and will be used in serious weather, and it has good anti corrosion function, but is not used for overhead lifting purpose.
When securing your vessel, the reliability of your anchoring system is paramount. The G43 Hot Dip Galvanized Short Anchor Chain is engineered specifically for this purpose, offering a superior combination of strength, durability, and corrosion resistance. As a "High Test" chain, Grade 43 is manufactured from high-tensile carbon steel, providing a significantly higher strength-to-weight ratio compared to standard proof coil chains.
Each link is calibrated to a uniform short pitch, ensuring a perfect fit and smooth operation with anchor windlasses. The entire chain is protected by a thick layer of hot-dip galvanization, offering robust defense against the corrosive effects of saltwater. This makes it the ideal choice for boat owners and marine operators who require a dependable, long-lasting anchor chain for all conditions. Please note, this chain is designed for anchoring and is not suitable for overhead lifting.
Our G43 Short Anchor Chain is available in a wide range of sizes to meet the needs of any vessel. The table below details the full specifications for each diameter.
Technical Specifications Table


At TopOne Chain, quality and compliance are guaranteed. Our G43 Anchor Chains are manufactured to meet rigorous industry standards, ensuring they perform reliably when you need them most.
Manufacturing and Quality Standards
Feature | Standard & Specification |
Grade | Grade 43 (High Test), exceeding the strength of standard Grade 30 chain. |
Manufacturing Standard | Conforms to NACM (National Association of Chain Manufacturers) and ISO specifications for calibrated short link chain. |
Material | High-tensile carbon steel, selected for strength and durability. |
Finish | Hot-dip galvanized for superior corrosion resistance in marine environments. |
Calibration & Testing | Every link is proof tested and calibrated to ensure flawless operation with anchor windlasses. |
Application Warning | Expressly designed for anchoring purposes. Not to be used for overhead lifting. |
Key Quality Features:
• Windlass Compatibility: The calibrated short-pitch design prevents chain slippage and jumping on the windlass gypsy.
• Proven Strength: As a "High Test" chain, it offers a higher working load limit than general-purpose chains of the same size.
• Long-Term Protection: The hot-dip galvanization process creates a thick, bonded zinc coating that provides lasting protection against rust and corrosion.