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Turnbuckles

Turnbuckles With Trapezoid Thread; Jaw - Jaw

This datasheet focuses exclusively on the Jaw-Jaw turnbuckle configuration. It provides a detailed table for WLLs ranging from 1.7 to 176.3 UStons, specifying dimensions for jaw openings, pin diameters, and take-up capacities. The document emphasizes the use of quenched and tempered steel components and standard factory-supplied lock nuts to ensure secure and repeatable adjustments.

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High-Capacity Tensioning Solutions: Trapezoid Thread Jaw-Jaw Turnbuckles

Ropeblock Jaw-Jaw turnbuckles are heavy-duty tensioning devices designed for high-load industrial and maritime applications. Featuring robust trapezoid threads, these turnbuckles provide reliable take-up and adjustment for working loads ranging from 1.7 to over 176 UStons. Their sturdy construction ensures structural integrity in complex rigging systems requiring precise tension control.

Ultimate Strength & Safety Features
  • Safety Factor: Engineered with a Minimum Ultimate Strength of 5 X WLL to provide maximum security under heavy tension.
  • Secure Fastening: Every unit is factory-supplied with lock nuts as standard to prevent accidental rotation.
  • Advanced Locking Options: Optional locking plates, special locking bolts, or other custom locking devices are available upon request.
  • Operational Requirement: These units are designed strictly for straight or in-line pull applications only.
Configurable & Field-Ready Design
  • Broad Capacity Range: Available in standard models with Working Load Limits (WLL) starting at 1.7 UStons and scaling up to 176.3 UStons.
  • Versatile Take-up: Offers adjustable take-up lengths ranging Enhanced Control: For easier field adjustment, units can be supplied with an integrated turning wheel or ratchet mechanism on request.
  • Enhanced Control: For easier field adjustment, units can be supplied with an integrated turning wheel or ratchet mechanism on request.
  • Durable Custom Finishes: While standard units are painted blue (RAL 5017), they can be supplied in any color or with a galvanized finish for enhanced corrosion resistance

Jaw-Jaw Turnbuckle (Trapezoid Thread) Technical Specifications

The following table highlights a selection of our Jaw-Jaw turnbuckle configurations. For full dimensional data (A, U, V, W, T) or custom sizes, please contact our technical team.

⚠ Safety Warning: Always adhere to the specified Working Load Limit (WLL). Use these turnbuckles for straight or in-line pull only; side loading may compromise structural integrity. Refer to the comprehensive warning and safety information on pages 136-149 prior to installation.