Mantus M2 Anchor

Mantus Marine

M2 galvanised



The Mantus M2 Anchor is designed to penetrate dense, grassy bottoms and set with unparalleled holding power. Expect the Mantus Anchor to set every time the first time.

Whether you are a long range cruiser, racer or day sailor, the Mantus quick-set anchor is stowable and breaks down for easy storage. One or two anchors can be stored as spares without taking up much needed boat space. 


  • Formed out of high-quality steel plate and high end precision casting.
  • ASTM certified bolts are oversized with a large margin to ensure safety.
  • Although the bolt used in the assembly is load bearing, only a fraction of the load is transmitted to the bolt.
  • Shank and roll bar are bolted to the fluke.
  • In the carbon steel version every part of the anchor system is hot-dipped galvanised for corrosion protection. (All shanks are HT ASTM 514 Steel and flukes are mild steel A36 equivalent)
  • Nose of the anchor is reinforced to guarantee a lifetime longevity.


Designed to fit boats with bow sprits and bow pulpits.

 After the release of the Mantus M2 Anchor we often get the question: Which one is better? 
Both Anchors have an amazing setting and resetting ability and both are excellent choices for a primary anchor, but each has its own small specific advantages. Both anchors roll over well in most bottom conditions and it is rare for a properly weighted anchor to end up upside down, nevertheless M1 anchor due to its roll bar is better at rolling over in a really soft silty bottom. The M2 Anchor is less likely to get plugged up with muddy weeds and, without the need for the roll bar, the M2 is less bulky. Thus the M2 Anchor provides a better fit for boats with bow pulpits with slotted anchor housing and bow sprits.

Mantus M2 Anchor

Dimensions and Fit

3.6   kg471314276146132269311232
5.9   kg5403593161681513010356265
7.7   kg6003993511861683311396295
11.4 kg6684453912081873713441329
15.9 kg7374904312292064114487362
20.5 kg8055364712502254515532396
25.0 kg8655765062692424817572425
29.5 kg9086045322822545017600447
38.6 kg10026675873112805619662493
47.7 kg10627076223302975920702522
56.8 kg11567706773593236422764569
70.5 kg12168107123783406723803598
79.5 kg12858557523993597125849632
8 lbs18.512.310.
13 lbs21.
17 lbs23.615.713.
25 lbs26.317.515.
35 lbs2919.31798.11.60.619.214.3
45 lbs31.721.
55 lbs34.122.719.910.
65 lbs35.723.820.911.11020.723.617.6
85 lbs39.526.323.112.3112.20.826.119.4
105 lbs41.827.824.51311.72.30.827.620.6
125 lbs45.530.326.714.
155 lbs47.931.92814.913.42.70.931.623.5
175 lbs50.633.729.615.714.12.8133.424.9

Anchor Sizing

When making sizing recommendations for a working anchor we are generally referring to the needs of a cruising boat spending most of its time on anchor. In doing so we try to envelope high sustained winds (50 kts) and assume poor holding conditions (low viscosity bottoms). Some may think these recommendations to be too conservative especially when compared to sizing tables from other manufacturers.

Companies often make claims of superior anchor efficiency, stating that their small anchor X will outperform a much heavier anchor from their competitors and often use sizing charts as a marketing tool to that end, recommending anchors and anchor systems that are dangerously undersized for their intended use. Comparing surface area can be a good judge for potential holding capability.

Our anchor sizing recommendations are presented in the table below and divided in three categories: Lunch Anchor category is recommended for lighter use, expected winds under 30 knots, working anchor for winds under 50 knots and finally, storm anchor recommendations are intended for winds above 50 knots. These recommendations are made assuming the worst-case scenario, a poor holding bottom and thus may seem conservative but we believe are accurate.

Mantus M2 Anchor guide imperial

Assembly Instructions

Fasteners are provided with every Mantus Anchor. In the event of replacing a lost fastener, please make sure to always use proper size. Always use locking washers, tighten the nut securely and pin the slotted nut.