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ULTRA Products by Boyut – exclusive European distribution by cromox®

ULTRA Anchor

Our ULTRA Anchor for fast setting and secure holding

The ULTRA Anchor range is designed and manufactured in Turkey and represents an engineered approach to anchoring performance and stainless-steel construction. Each anchor is hand-made and hand-polished. The design focuses on weight distribution and geometry to support reliable setting and controlled recovery.

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ULTRA Anker – Ansicht 1
ULTRA Anker – Ansicht 2
ULTRA Anker – Ansicht 3
ULTRA Anker – Ansicht 4
ULTRA Anker – Ansicht 5
ULTRA Anker – Ansicht 6
ULTRA Anker – Ansicht 7
ULTRA Anker – Ansicht 8

Sizes and vessel suitability

  • Anchor range: 5 kg to 360 kg.
  • Suitable for a wide variety of vessel types and bow roller installations.

Key performance features

  • Sets on the first drop and holds immediately, without dragging. 
  • Buries deeper and increases holding under rising wind loads. 
  • Stays engaged even with changing wind directions. 
  • Self-aligns to settle naturally onto the bow roller during retrieval. 
  • Works smoothly with craft pulleys / bow roller setups and “shoots forward” automatically when deploying.

Click on the + in the picture to see the key benefits of our ULTRALINE Flat Rope Reel:

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Design and construction

The ULTRA Anchor’s performance comes from its weight distribution and patented design details, including:

  • A curved, lead-filled tip to promote immediate seabed penetration. 
  • A hollow shank designed for optimized weight distribution. 
  • Concave base surfaces for high holding power. 
  • Side wing plates prevent the anchor from releasing during changes in wind or tide. 
  • A flat pivot surface on the underside to support easier recovery.

Manufacturing is hand-made and hand-polished from stainless steels specified as 316L and 318LN. Therefore, galvanizing is not required.

Use the ULTRA Anchor selection resources to choose a model based on your vessel type and key parameters (e.g., vessel weight/displacement and length). The selection table and main dimensions are also provided in the download section below.

Recommended
Ultra
Anchor
Weight
Sail BoatPower BoatMultihull
MONO HULL
HIGH PROFILE
LOW PROFILE
SAIL
POWER
(kg) / (lbs)Weight(ton)Weight(lbs)Length(m)Length(feet)Weight(ton)Weight(lbs)Length(m)Length(feet)Length(m)Length(feet)Weight(ton)Weight(lbs)Length(m)Length(feet)Length(m)Length(feet)
UA 5/111,02 2055,0171,12 4255,2175,7190,71 5434,3144,615
UA 8/182,04 4107,0232,24 8507,2247,9261,43 0866,1206,421
UA 12/263,88 3809,0304,29 2609,33110,2332,75 9507,8268,227
UA 16/356,313 89010,8356,915 21011,13612,2404,59 9209,3319,832
UA 21/4610,222 49012,64111,224 69013,04314,3477,316 10010,93611,538
UA 27/6014,632 19014,34716,035 27014,74816,25310,523 15012,44113,043
UA 35/7721,547 40016,05223,551 80016,55418,26015,634 40013,84514,648
UA 45/10030,066 14017,85832,972 53018,36020,16621,647 62015,45116,253
UA 60/13243,094 80020,06647,1103 83020,66822,77431,068 34017,35818,260
UA 80/17663,0139 88022,37369,0152 12023,07525,38345,4100 10019,36320,367
UA 100/22085,0187 00024,58093,0205 00025,28327,79161,0134 00021,27022,373
UA 130/290123,0271 00027,490135,0298 00028,29331,010289,0196 00023,77825,082
UA 160/350174,0384 00030,4100191,0421 00031,310334,4113125,0276 00026,38627,791
UA 200/440262,0578 00034,4113287,0630 00035,411639,0128190,0419 00029,89831,3103
UA 250/550400,0882 00039,2129438,0966 00040,413344,4146290,0639 00033,911135,7117
UA 300/660550,01 213 00044,0144600,01 323 00045,314949,8163400,0882 00038,112540,0131
UA 360/800760,01 675 00050,0164830,01 830 00051,516956,7186550,01 213 00043,314245,5150
Recommended
Ultra
Anchor
Weight
Sail Boat
MONO HULL
(kg) / (lbs)Weight(ton)Weight(lbs)Length(m)Length(feet)
UA 5/111,02 2055,017
UA 8/182,04 4107,023
UA 12/263,88 3809,030
UA 16/356,313 89010,835
UA 21/4610,222 49012,641
UA 27/6014,632 19014,347
UA 35/7721,547 40016,052
UA 45/10030,066 14017,858
UA 60/13243,094 80020,066
UA 80/17663,0139 88022,373
UA 100/22085,0187 00024,580
UA 130/290123,0271 00027,490
UA 160/350174,0384 00030,4100
UA 200/440262,0578 00034,4113
UA 250/550400,0882 00039,2129
UA 300/660550,01 213 00044,0144
UA 360/800760,01 675 00050,0164
Recommended
Ultra
Anchor
Weight
Power Boat
HIGH PROFILE
LOW PROFILE
(kg) / (lbs)Weight(ton)Weight(lbs)Length(m)Length(feet)Length(m)Length(feet)
UA 5/111,12 4255,2175,719
UA 8/182,24 8507,2247,926
UA 12/264,29 2609,33110,233
UA 16/356,915 21011,13612,240
UA 21/4611,224 69013,04314,347
UA 27/6016,035 27014,74816,253
UA 35/7723,551 80016,55418,260
UA 45/10032,972 53018,36020,166
UA 60/13247,1103 83020,66822,774
UA 80/17669,0152 12023,07525,383
UA 100/22093,0205 00025,28327,791
UA 130/290135,0298 00028,29331,0102
UA 160/350191,0421 00031,310334,4113
UA 200/440287,0630 00035,411639,0128
UA 250/550438,0966 00040,413344,4146
UA 300/660600,01 323 00045,314949,8163
UA 360/800830,01 830 00051,516956,7186
Recommended
Ultra
Anchor
Weight
Multihull
SAIL
POWER
(kg) / (lbs)Weight(ton)Weight(lbs)Length(m)Length(feet)Length(m)Length(feet)
UA 5/110,71 5434,3144,615
UA 8/181,43 0866,1206,421
UA 12/262,75 9507,8268,227
UA 16/354,59 9209,3319,832
UA 21/467,316 10010,93611,538
UA 27/6010,523 15012,44113,043
UA 35/7715,634 40013,84514,648
UA 45/10021,647 62015,45116,253
UA 60/13231,068 34017,35818,260
UA 80/17645,4100 10019,36320,367
UA 100/22061,0134 00021,27022,373
UA 130/29089,0196 00023,77825,082
UA 160/350125,0276 00026,38627,791
UA 200/440190,0419 00029,89831,3103
UA 250/550290,0639 00033,911135,7117
UA 300/660400,0882 00038,112540,0131
UA 360/800550,01 213 00043,314245,5150

Comments

  • When selecting ULTRA Anchors in excess of 100 kg / 220 lbs, please consult Lloyd’s or a comparable certification society’s guidelines. The listed values should be used for preliminary selection only.
  • ULTRA Anchors work well as bow and stern anchors on horizontal roller assemblies. They are not suitable for vertical or straight hawse pipes.
  • If choosing the anchor for a boat that is very light or very heavy, first identify the row that matches the weight of the boat, then: for lighter boats choose 1 size bigger; for heavier boats choose 1 size smaller.

Warranty

  • Properly selected or one size smaller ULTRA Anchors are covered by our lifetime warranty against issues arising from production or normal use.
  • Anchors that are two or more sizes smaller than recommended are not covered under warranty.

Caution

  • The ULTRA Anchor is designed to handle extremely heavy loads; caution is advised when handling.
  • All materials have resistance limits. Using high-powered engines to free an anchor may deform it and/or damage the vessel.
  • It is recommended to use a trip line or an ULTRA Anchor Ring to recover an anchor stuck under an obstruction.

ULTRA Anchor includes a lifetime warranty against material defects including bending, breaking, cracking, and rusting (as defined by the manufacturer). Warranty registration is available via the warranty registration link.

Register warranty

FAQs

The ULTRA Anchor combines patented design features with optimized weight distribution to support fast setting, reliable holding, and controlled recovery. Key design elements such as the curved lead-filled tip, hollow shank, and concave base surfaces are engineered to improve seabed penetration and holding performance in a wide range of anchoring conditions.

The ULTRA Anchor is designed to penetrate the seabed quickly through its weighted tip and carefully balanced geometry. Once the anchor reaches the seabed, its shape helps it rotate into an effective attack position, allowing it to establish holding power with minimal dragging.

Weight distribution plays a critical role in how an anchor lands, penetrates, and repositions itself during use. A properly balanced anchor can recover into the correct orientation more consistently, helping improve setting behaviour and supporting reliable holding performance when wind or tide conditions change.

The ULTRA Anchor is engineered to remain engaged when loads shift due to changing environmental conditions. Features such as the side wing plates and optimized anchor geometry help reduce the likelihood of unintended release and support stable holding throughout changing wind or tidal cycles.

The appropriate anchor size depends on factors such as vessel length, displacement, operating conditions, and anchoring habits. ULTRA-cromox provides selection tables and dimensional information to help owners, yards, and marine professionals identify the most suitable anchor model for their specific application.

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