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Turnbuckles

Turnbuckles With Trapezoid Thread; Jaw - Stud Eye

Specifies the technical parameters for Jaw-Stud Eye turnbuckles with WLLs ranging from 1.7 to 176.3 UStons. This document details the physical layout for the stud eye interface, providing critical dimensions for the eye thickness and hole diameter. It is a vital resource for engineering teams designing tensioning systems that require a combination of modular jaw attachment and fixed-point connectivity.

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High-Capacity Rigging Versatility: Trapezoid Thread Jaw-Stud Eye Turnbuckles

Ropeblock Jaw-Stud Eye Turnbuckles are heavy-duty tensioning devices designed for complex industrial and maritime rigging applications. By combining a jaw end with a stud eye, these units offer maximum connection flexibility while utilizing a robust trapezoid thread for reliable length adjustment. Engineered for working loads from 1.7 to 176.3 UStons, they provide the structural resilience required for large-scale crane and structural tensioning.

Engineered Strength & Safety Assurance
  • Structural Safety Integrity: Designed with a Minimum Ultimate Strength of 5 X WLL to ensure safety under extreme tension.
  • Standard Secure Fastening: Every turnbuckle is factory-supplied with lock nuts as standard to prevent unintentional rotation.
  • Secondary Locking Mechanisms: Optional locking plates or specialized locking devices are available on request for critical applications.
  • In-Line Stability: These units are strictly engineered for straight or in-line pull only to maintain load integrity.
Configurable Design & Field Efficiency
  • Extended Capacity Range: Standard models cover Working Load Limits (WLL) from 1.7 to 176.3 UStons.
  • Variable Take-Up Lengths: Offers adjustable take-up ranging from 6.57 inches up to 34.65 inches for high-stroke requirements.
  • Operational Customization: Can be supplied with an integrated turning wheel or ratchet on request to facilitate easier field adjustments.
  • Durable Protection: Standard units are finished with a blue primer coating, though any color or galvanized finishes are available upon request for harsh environments.

Jaw-Stud Eye Turnbuckle Technical Specifications

The following table provides a selection of our Jaw-Stud Eye (J-E) series specifications. Please contact our technical department for full dimensional details (A, P, Q, S, T, T1, U, V, W) or custom sizing.

⚠ Safety Warning: Always adhere to the specified Working Load Limit (WLL) and ensure the unit is used for straight or in-line pull only. Minimum Ultimate Strength is 5 X WLL. Consult the full safety and warning information on pages 136-149 before installation.