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SKU GGRXTB38 Building Maintenance System

Restraint Pin Socket

Restraint Pin Socket

Product description

Groxx Restraint Pin Receiver Socket | GGRXTB38 Structural Mounting Socket
The Groxx Restraint Pin Receiver Socket (GGRXTB38) is a high-precision structural mounting component engineered to house and secure 3/8 inch restraint pins, such as the GGRXTB37 series. Designed for flush or surface integration into facade panels, curtain walls, and heavy structural frameworks, the GGRXTB38 socket provides a seamless, high-strength connection point that facilitates rapid pin insertion and dependable multi-axis load transfer.
Core Performance & Design
  • Optimized Structural Receiver Geometry: Internal bore dimensions are machined to match 3/8 inch restraint pin profiles, providing a flush, zero-slop fit that eliminates chatter under dynamic loading.
  • High-Strength Force Transfer: Engineered to withstand and distribute axial, angular, and lateral loads up to 2.7 kN back into the primary building substrate or structural frame.
  • Corrosion-Resistant Metallurgy: Manufactured from high-grade stainless steel with a polished finish to prevent galvanic corrosion when integrated with aluminum facade panels or steel support structures.
  • Positive Lock Interface: Built to interact smoothly with the pin’s lower mechanical retention detents, guaranteeing a positive mechanical engagement every time the pin is fully inserted.
Technical Specifications
Feature Specification
Model Number GGRXTB38
Compatible Pin Size
3/8 inch (GGRXTB37 Series)
Primary Material AISI 316 Stainless Steel
Finish High-Polished / Passivated
Maximum Load Rating (Vertical – F1)
2.7 kN
Maximum Load Rating (Angular – F2)
2.7 kN
Maximum Load Rating (Lateral – F3)
2.7 kN
Mounting Style Structural Weld-In / Press-Fit / Bolted Receiver
Installation & Structural Integration
  • Substrate Preparation: Ensure the mounting aperture in the facade or structural member is reamed to match the outer socket body diameter without excessive clearance.
  • Standoff Alignment: Mount the socket flush with the outer face to ensure the installed restraint pin maintains a structural standoff gap (X max) of 3/16 inch or less, keeping system capacity at the rated 2.7 kN.
  • Rigid Fixing: Can be integrated directly into curtain wall aluminum extrusions, steel plates, or cast-in concrete anchors.
The Groxx Advantage
The GGRXTB38 Socket completes the restraint pin assembly by offering a perfectly matched, wear-resistant receiver. By maintaining exact tolerances and superior surface finish, Groxx ensures smooth pin insertion, reliable locking detent engagement, and uncompromised safety performance across all 3 loading axes.

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