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PHONE HOTLINE: 800-346-4296 E-MAIL: sales@hayn.com
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Intermediate Tensioner Turnbuckle Assembly – Traditional Design

The Hayn Intermediate Tensioner Turnbuckle Assembly (Traditional Design) is a Type 316 stainless steel swage-to-swage mid-run tensioning fitting that extends a Traditional cable rail run by up to 40 feet per assembly, available in machine swage and Hayn Grip configurations across wire sizes from 1/8" through 3/8". 

Strong Where It Matters

Intermediate Tensioner Turnbuckle Assembly – Traditional Design

The Traditional Design version covers a broader wire size range than its Concealed Thread counterpart, extending through 5/16" and 3/8" wire on 1/2-20 thread for heavier structural cable rail applications. Machine swage assemblies are factory assembled to field dimensions by an experienced technician using a hydraulic swaging unit, and require a job site take-off to ensure cables are cut to the correct length before assembly. Hayn Grip configurations are available for 1/8" and 3/16" wire and can be installed on site using only hand tools and a torque wrench, with full installation instructions available on the Hayn website. 
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Intermediate Tensioner Turnbuckle Assembly

Machine Swage – Factory Assembled to Field Dimensions

Part # Thread Size Wire Size Adjustment Range Extends Run Length
10TTLL18SS 10-32 1/8″ 2-3/8″ 40′
14TTLL18SS 1/4-28 1/8″ 2-3/4″ 40′
14TTLL532SS 1/4-28 5/32″ 2-3/4″ 40′
14TTLL316SS 1/4-28 3/16″ 2-3/4″ 40′
516TTLL316SS 5/16-24 3/16″ 2-7/8″ 40′
516TTLL14SS 5/16-24 1/4″ 2-7/8″ 40′
38TTLL14SS 3/8-24 1/4″ 3-1/2″ 40′
12TTLL516SS 1/2-20 5/16″ 3-3/4″ 40′
12TTLL38SS 1/2-20 3/8″ 3-3/4″ 40′

Hayn Grip™ – On Site Install

Part # Thread Size Wire Size Adjustment Range Extends Run Length
14TTLL18HGHG 1/4-28 1/8″ 2-3/4″ 40′
14TTLL316HGHG 1/4-28 3/16″ 2-3/4″ 40′

Intermediate Turnbuckle Assembly Traditional Design is made from 316 stainless steel and is available in machine swaged or Hayn Grip™ options.

Engineered In America Every Hayn fitting is designed and manufactured at our facility in Rocky Hill, Connecticut — the same American workmanship that has set the standard for stainless steel rigging hardware since 1950.
Cold-Worked Production Hayn fittings are cold-worked, not cast. That distinction matters: the cold-working process refines grain structure, increases fatigue resistance, and produces a fundamentally stronger component — one built to perform when the load comes on it.
Precision Manufacturing Our Rocky Hill production floor runs CNC vertical mills, CNC lathes, large-capacity mill-turn centers, and waterjet cutting systems — all configured to produce hardware that meets exact specifications, every time.
75+ Years of Excellence Hayn has been engineering and manufacturing marine and architectural rigging hardware since 1950. That track record isn't just history, it's the design knowledge, failure data, and continuous improvement that goes into every product we make. 
  • Type 316 stainless steel construction for superior saltwater corrosion resistance
  • Manufactured in Rocky Hill, Connecticut to Hayn's proprietary tolerances
  • Precision-machined using advanced CNC manufacturing equipment



  • Engineered for seamless integration in marine and architectural rigging systems

  • Short lead times on both standard and custom components

  • Backed by 75 years of marine and architectural hardware expertise

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Let's Build Something Together

 Hayn has been engineering precision rigging hardware since 1950. So whatever your project demands, you're building with hardware that's been proven at sea and on structure for generations. 
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