A marine Spek anchor, also known as a stockless anchor, is a common type of anchor used in commercial shipping and cruise vessels. It is designed with a compact, stockless design for easy handling and deployment, especially in shallow waters, and is known for its good holding power.
Key Features and Benefits:
Stockless Design:This design eliminates the need for a stock, making the anchor easier to store and maneuver, especially in anchor pockets.
Compact Size:Stockless anchors are smaller than traditional anchors with stocks, making them suitable for a variety of vessels, from small boats to large ships. Their simple design allows for quick and efficient anchoring, particularly in shallow waters.
Good Holding Power:Despite their compact size, stockless anchors can provide strong holding power in various sea floor conditions.
Reduced Damage to Hull:When retrieved, the flukes of a Spek anchor are designed to turn over when they contact the hull, preventing damage.
Common Applications:
Commercial Shipping: Used as a primary anchor on various commercial vessels.
Cruise Vessels: Used for anchoring large cruise ships.
Recreational Craft: Also suitable for smaller recreational boats due to their compact size and ease of handling.
Permanent Mooring: Used for permanent mooring of floating structures like buoys and light boats.
Drawings of Marine Spek Anchor Stockless Anchor:

Specification of Marine Spek Anchor Stockless Anchor:
| Norminal | Size(mm) |
| Weight(kg) | A | B | C | D | F |
| 100 | 672 | 373 | 112 | 515 | 250 |
| 150 | 770 | 428 | 128 | 590 | 290 |
| 240 | 900 | 500 | 150 | 690 | 358 |
| 300 | 990 | 550 | 166 | 760 | 398 |
| 420 | 1080 | 600 | 180 | 828 | 431 |
| 500 | 1170 | 650 | 196 | 900 | 446 |
| 660 | 1260 | 700 | 210 | 962 | 486 |
| 900 | 1440 | 800 | 240 | 1100 | 547 |
| 1020 | 1530 | 850 | 252 | 1170 | 573 |
| 1290 | 1710 | 900 | 268 | 1240 | 620 |
| 1590 | 1710 | 950 | 279 | 1300 | 671 |
| 1920 | 1850 | 1050 | 312 | 1454 | 704 |
| 2100 | 1890 | 1050 | 312 | 1454 | 717 |
| 2460 | 2010 | 1100 | 324 | 1514 | 764 |
| 2640 | 2070 | 1150 | 352 | 1584 | 794 |
| 3060 | 2155 | 1200 | 360 | 1650 | 820 |
| 3300 | 2155 | 1200 | 360 | 1650 | 834 |
| 3780 | 2400 | 1350 | 393 | 850 | 880 |
| 4050 | 2430 | 1350 | 393 | 1850 | 917 |
| 4590 | 2520 | 1400 | 413 | 1926 | 931 |
| 4890 | 2520 | 1400 | 413 | 1926 | 954 |
| 5250 | 2610 | 1450 | 414 | 2000 | 964 |
| 5610 | 2610 | 1450 | 414 | 2000 | 981 |
| 6000 | 2700 | 1500 | 446 | 2060 | 1006 |