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Marine Boat Chains

Defender stocks a complete assortment of Galvanized Peerless / ACCO Marine chain in large variety of sizes for anchor rodes and moorings.
Peerless ACCO chain is recognized around the world for best-in-class chain products.

Types of Anchor Chains

  • ACCO G43 (G4) Domestic High-Test ISO Chain
  • This high tensile strength carbon steel anchor (windlass) chain with an ISO short link is a great addition to any boat.
  • The short link makes it more flexible and ideally suited as a windlass chain.
  • An extra thick hot dip galvanized finish is recommended for all marine applications.
  • High Test anchor chains are the most commonly used chain for anchor rodes used with electric and manual windlasses.
  • This is because G4, high test chain is stronger than BBB or proof coil and it is manufactured to have a highly consistent chain link pattern preferred by most windlass chain wheels.
  • ACCO BBB Chain
  • A is a low carbon steel, general purpose boat chain, with a short compact link.
  • The short link is ideally suited for anchor chain.
  • BBB chain is embossed with the "3B" mark, this sometimes may appear like "38".
  • BBB chain is a popular anchor chain due to the added weight per foot.
  • Many anchor windlasses will work with BBB chain.
  • Be sure to check your owner?s manual or call the manufacturer to be sure that BBB chain is a good choice for your windlass.

  • ACCO Mooring Chain
  • This is the best chain for a tough job!
  • Stronger than proof coil, mooring chain has a hot dip galvanized coating with 30% more zinc per unit volume than mechanical coating.
  • The long link design permits the hook-up of shackles and/or swivels anywhere on the chain, not just on end links.

  • Marine Rope-to-Chain Spliced Rodes:

    Defender offers a large selection of pre-made rope-to-chain rodes and we can provide splicing services.
  • Many boaters splice their own nylon line directly to the last link of chain.
  • A well spliced rope-to-chain rode will function well in many electric windlass systems.
  • The spliced line will pass through a chain pipe more easily than a spliced thimble
  • Good splices provide about 90% of the breaking strength of the line compared to new line.
  • It is generally acknowledged that there should be approximately one foot of chain for each foot of boat length.
  • The more chain you can tolerate the better, 60? to 100? of chain is not uncommon.

  • All Chain Rodes:

    Larger boats and almost all Bluewater cruisers, with windlasses generally use an all chain rode.
  • Chain rodes reduce the need for long scope (except in shallow water) because the chain is heavy and lies on the bottom until severe conditions are encountered, when more scope may be required.
  • An all chain rode allows for smaller swing circles and is a big advantage in crowded anchorages.
  • Since boat chains have very little elasticity, care should be taken to prevent the chain from becoming "bar tight" in high winds by using a snubber made of nylon line.
  • The drawbacks to all-chain rode are weight, expense, and the need for a windlass.
  • A windlass and all-chain rode may add 300 to 600lb. in the bow of the boat and can adversely affect the performance.