Invisible AssemblyLinear ExtensionConcealed Joints

Specialized & Internal Connectors

Invisible Assembly & Concealed Joints

Invisible assembly, linear extension, and articulated connections installed inside T-slots or at profile end faces. These connectors enable clean, tool-accessible joints without external hardware visible on the frame surface.

40+SKUs Available

7Product Types

ISO9001:2015 Certified

Showing 7 product types in this category

Central Connectors

S45C anchor-style connectors for invisible internal profile-to-profile joining

XADF21

S45C Carbon Steel

Zinc Plated

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Linear Extension Connectors

S45C inline connectors for extending profiles end-to-end with full load transfer

XADL21

Anchor Fastener Cams

Spring-loaded cam connectors for rapid tool-free profile assembly

XADB22

Cube Connectors

ADC12 die-cast cube nodes for multi-directional end-face frame intersections

XADW48

ADC12 Zinc Alloy

Spray Painting

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End Plate Connectors

Zinc alloy / SUS304 slot-inserted connectors for hidden 90° end-face joints

XADJ42XADJ31

Zinc Alloy / SUS304 Stainless Steel

Nickel Plated (Zinc Alloy)Vibratory Polishing (SUS304)

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Elastic End Connectors

Flexible elastic connectors for vibration-dampening profile end connections

XADB

Carbon Steel / Elastomer

Zinc Plated

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Pivot Joints

Zinc alloy articulated pivot connectors allowing angular adjustment between profiles

XADU48

Zinc Alloy

Spray Painting

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ISO 9001:2015

Certified quality management system

Material Test Certificates

MTC available on request for all products

Kitting Service

Pre-assembled kits save up to 20% assembly time

24h RFQ Response

Technical team responds within one business day

Technical FAQ

Engineering Questions Answered

Common questions from system integrators and mechanical engineers about this product category.

Need a Custom Specification?

Submit your BOM or technical drawing and our engineering team will confirm availability, pricing, and lead time within 24 business hours. OEM and custom specifications are welcome.

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