M2 Mantus Anchor

DIGS LIKE NO OTHER  M2 Mantus 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!

EASY TO STORE  Whether you are a long range cruiser, racing or going out for a day sail. The Mantus breaks down for easy storage, so you can store one or two as spares without taking up much needed boat space. A single bolts is used for the construction to facilitate easy dissassembly and storage.

BUILT STRONG 

  • Formed from 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.
  • Stainless Steel anchors feature a 2205 Duplex shank and 316L stainless steel fluke. The surface is hardened by shot-peening and then electro-polished to provide maximum corrosion resistance.
  • In the carbon steel version every part of the anchor system is hot-dipped galvanized 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 FOR FIT Designed to fit boats with bow sprits and bow pulpits.

 

 

 

After the release of the Mantus M2 Model 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 the 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 M2 is less bulky.

Thus the M2 anchor provides a better fit for boats with bow pulpits; with slotted anchor housing; and bow sprits.

Metric Sizing Guide (click to enlarge)

Imperial Sizing Guide (click to enlarge)

ANCHOR SIZING GUIDE

Use the following guide to determine what size of anchor to use:

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 above 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.

DIMENSIONS AND FIT

M2 MODEL DIMENSIONS IMPERIAL (inches)
  A B C D E F G H I
8 lbs 18.5 12.3 10.9 5.8 5.2 1.0 0.4 12.3 9.1
13 lbs 21.2 14.1 12.4 6.6 5.9 1.2 0.4 14.0 10.4
17 lbs 23.6 15.7 13.8 7.3 6.6 1.3 0.5 15.6 11.6
25 lbs 26.3 17.5 15.4 8.2 7.4 1.5 0.5 17.4 12.9
35 lbs 29.0 19.3 17.0 9.0 8.1 1.6 0.6 19.2 14.3
45 lbs 31.7 21.1 18.6 9.8 8.9 1.8 0.6 20.9 15.6
55 lbs 34.1 22.7 19.9 10.6 9.5 1.9 0.7 22.5 16.8
65 lbs 35.7 23.8 20.9 11.1 10.0 2.0 0.7 23.6 17.6
85 lbs 39.5 26.3 23.1 12.3 11.0 2.2 0.8 26.1 19.4
105 lbs 41.8 27.8 24.5 13.0 11.7 2.3 0.8 27.6 20.6
125 lbs 45.5 30.3 26.7 14.1 12.7 2.5 0.9 30.1 22.4
155 lbs 47.9 31.9 28.0 14.9 13.4 2.7 0.9 31.6 23.5
175 lbs 50.6 33.7 29.6 15.7 14.1 2.8 1.0 33.4 24.9

 

M2 MODEL DIMENSIONS METRIC (mm)
  A B C D E F G H I
3.6   kg 471 314 276 146 132 26 9 311 232
5.9   kg 540 359 316 168 151 30 10 356 265
7.7   kg 600 399 351 186 168 33 11 396 295
11.4 kg 668 445 391 208 187 37 13 441 329
15.9 kg 737 490 431 229 206 41 14 487 362
20.5 kg 805 536 471 250 225 45 15 532 396
25.0 kg 865 576 506 269 242 48 17 572 425
29.5 kg 908 604 532 282 254 50 17 600 447
38.6 kg 1002 667 587 311 280 56 19 662 493
47.7 kg 1062 707 622 330 297 59 20 702 522
56.8 kg 1156 770 677 359 323 64 22 764 569
70.5 kg 1216 810 712 378 340 67 23 803 598
79.5 kg 1285 855 752 399 359 71 25 849 632