18 lbs - Guardian Aluminum

18 lbs - Guardian Aluminum

18 lbs - Guardian Aluminum

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Aluminum Anchor, 18lb., Guardian by Fortress, for Boats 42'-47'

MFG#: 403347

In Stock: -7


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An easy-to-handle alternative to heavy steel anchors, Guardians feature lightweight, corrosion-resistant, aluminum-magnesium construction and a precise 32° fluke angle. Components are not anodized and are slightly smaller. But just like the Fortress, the weldless design maximizes strength and they easily disassemble for compact storage or parts replacement.

  • Style: Pivoting aluminum fluke
  • Material: High tensile aluminum-magnesium alloy
  • Application: Sand and mud
  • Warranty: One-year parts replacement


Boat size recommendations are for boats of average windage and proportions in 30 knots of wind, average bottom conditions, and moderate protection from open seas. Remember that the loads in 42 knots of wind are twice as much as in 30 knots. 

Use three-strand nylon rope, 6-12 ft (2-4 m) of chain and a minimum of 5:1 scope. Also, a minimum of 6 ft (2 m) of chain should be used for every 25 ft (8 m) of water depth. For storm conditions use an anchor one or two sizes larger

Boat Length: 42-47 ft / 12-14 m

Weight: 18 lbs / 8 kg


32° (Hard Sand): 7,500 lbs / 3,402 kg

32° (Soft Mud): 1,500 lbs / 680 kg


A (Shank): 38 in (97 cm)
B (Fluke): 22 in (56 cm)
C (Stock): 31 in (79 cm)

Proof Coil Chain: 3/8 in (10 mm)

Nylon Rope: 5/8 in (16 mm)

Shackle Size: 3/8 in (10 mm)


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