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Complementary Hardware > Stay Tensioners
Harken stay tensioners are reliable mechanical adjusters that are easy to install and simple to use. Tensioners are made of polished stainless steel and chromed bronze, and feature bronze worm gears and thread drives to prevent galling under load. Moving components are mounted on greased roller bearings for easy adjustment.
Tensioners come in four sizes for boats from 27' to 50' (8 to 15 m) with backstays from 7/32" to 1/2" (5 to 12 mm). B1722 and B1834 tensioners have fold down adjustment handles. The other tensioners accept a standard winch handle and are available in custom lengths.
Use for:
 B1722 |
|
 B1834 |
 B500 B502 |
 B501 B503 |
| Part No. | Description | Pin  |
Pin-to-pin closed | Stroke | Jaw width | Jaw depth | Weight | Max wire |
Safe working load | Breaking strength | Adjust with | |||||||||
| in | mm | in | mm | in | mm | in | mm | in | mm | Ib | kg | in | mm | Ib | kg | Ib | kg | |||
| B500 | Small | 9/16 | 14 | 231/8 | 587 | 7 | 180 | 9/16 | 15 | 13/16 | 30 | 9.9 | 4.5 | 3/8 | 10 | 8377 | 3800 | 16755 | 7600 | Winch handle |
| B501 | Large | 5/8 | 16 | 261/4 | 667 | 811/16 | 220 | 11/ | 17 | 13/8 | 35 | 18.1 | 8.24 | 1/2 | 12 | 14330 | 6500 | 28660 | 13000 | Winch handle |
| B502 | Small | 5/8 | 16 | 231/8 | 587 | 7 | 180 | 5/8 | 16 | 13/16 | 30 | 9.9 | 4.5 | 3/8 | 10 | 8377 | 3800 | 16755 | 7600 | Winch handle |
| B503 | Large | 3/4 | 19 | 261/4 | 667 | 811/16 | 220 | 3/4 | 19 | 13/8 | 35 | 18.1 | 8.24 | 1/2 | 12 | 14330 | 6500 | 28660 | 13000 | Winch handle |
| B1722 | Large | 1/2 | 12 | 19 | 483 | 61/4 | 160 | 1/2 | 12 | 1 | 25 | 8.3 | 3.75 | 9/32 | 7 | 5732 | 2600 | 11464 | 5200 | Handle |
| B1834 | Small | 7/16 | 10 | 163/8 | 416 | 51/2 | 140 | 7/16 | 11 | 13/16 | 20 | 3.5 | 1.8 | 7/32 | 5 | 2645 | 1200 | 5291 | 2400 | Handle |
Ball Bearing Cam Cleats | Cam Cleat Accessories | Cam Bases | Trigger Cleat | Trigger Cleat Swivel Base | Stand-up Bases | Magic Boxes | Self-contained Sheaves | Big Boat Sheaves | High-Load Sheaves | Narrow Halyard & Streering Sheaves | ESP Deck Organizers | Small Boat Deck Organizers | Midrange Deck Organizers | Big Boat Deck Organizers | Spinnaker Pole Cars & End Fittings | Stay Tensioners | Eyestraps | Padeyes | Stainless Steel Shackles | LOUPS | Accessories | Storage Systems