Interior Corner Brackets
XADN31
Flat-profile interior corner brackets for concealed slot-mounted frame reinforcement. Available in 90° and 135° angle variants, compatible with EU and GB series profiles from 30 to 50 mm. The low-profile design keeps all hardware flush within the profile slot for a clean finish.
Material
Zinc Alloy / A6063
Part Code
XADN31
Angle Variants
90° · 135°
Profile Compatibility
EU 30–50 · GB 30–40
Angle Variants
Two standard angle configurations are available for all series. Custom angles available on request for orders of 500 pcs or more.
90° Right Angle
Standard right-angle configuration for orthogonal frame corners. Compatible with G306, 308, G408, 408, 4010, 4510, and 5010 series profiles. A=50 mm for all series.
135° Obtuse Angle
Obtuse-angle configuration for diagonal or angled frame joints. A=46 mm for G306–4010 series; A=50 mm for 4510 and 5010 series. C1=20 mm (G306–4010) or 25 mm (4510/5010).
Part Number System
Full part numbers are composed of four elements: Code, Series, K value, and Angle.
Dimensions & Series Compatibility
All dimensions in millimeters (mm). T = 5 mm for all series and angles.
Interior Corner Brackets — 90° & 135° Variants
| Code | Series | K | Angle | A | C | C1 | M | T | Compatible Profile |
|---|---|---|---|---|---|---|---|---|---|
| XADN31 | G306 | 10 | 90 | 50 | 20 | 20 | 6 | 5 | GB 30 Slot 6mm |
| 308 | 13 | 90 | 50 | 20 | 20 | 6 | 5 | EU 30 Slot 8mm | |
| G408 | 14 | 90 | 50 | 20 | 20 | 6 | 5 | GB 40 Slot 8mm | |
| 408 | 14 | 90 | 50 | 20 | 20 | 6 | 5 | EU 40 Slot 8mm | |
| 4010 | 15 | 90 | 50 | 20 | 20 | 6 | 5 | EU 40 Slot 10mm | |
| 4510 | 20 | 90 | 50 | 20 | 20 | 8 | 5 | EU 45 Slot 10mm | |
| 5010 | 18 | 90 | 50 | 20 | 20 | 8 | 5 | EU 50 Slot 10mm | |
| G306 | 10 | 135 | 46 | 16 | 20 | 6 | 5 | GB 30 Slot 6mm | |
| 308 | 13 | 135 | 46 | 16 | 20 | 6 | 5 | EU 30 Slot 8mm | |
| G408 | 14 | 135 | 46 | 16 | 20 | 6 | 5 | GB 40 Slot 8mm | |
| 408 | 14 | 135 | 46 | 16 | 20 | 6 | 5 | EU 40 Slot 8mm | |
| 4010 | 15 | 135 | 46 | 16 | 20 | 6 | 5 | EU 40 Slot 10mm | |
| 4510 | 20 | 135 | 50 | 16 | 25 | 8 | 5 | EU 45 Slot 10mm | |
| 5010 | 18 | 135 | 50 | 16 | 25 | 8 | 5 | EU 50 Slot 10mm |
Key Features
Dual Angle Variants
Available in 90° and 135° configurations, enabling both orthogonal and angled frame joints with a single product family.
Concealed Slot-Mount Design
Low-profile flat bracket inserts directly into the T-slot — no external hardware visible on the finished frame, ideal for aesthetics-critical applications.
Broad Profile Compatibility
Compatible with EU 30–50 mm and GB 30–40 mm series profiles, covering 7 standard series from G306 to 5010.
Zinc Alloy & Aluminum Options
Available in zinc alloy (nickel plated) for higher rigidity and A6063 aluminum (clear anodized) for lightweight corrosion-resistant applications.
Simple Installation
Slides into the T-slot and is secured with a single fastener per arm — no drilling or special tools required. Ideal for modular frame assembly.
OEM & Custom Options
Custom hole patterns, dimensions, and surface finishes available for orders of 500 pcs or more. Contact our engineering team for details.
Typical Applications
Industrial Automation Frames
Robot cells, conveyor systems, and assembly line structures requiring clean aesthetics and concealed fastening.
Machine Guarding & Enclosures
Safety enclosures with concealed fastening for CNC machines, press equipment, and industrial machinery.
Display & Exhibition Frames
Trade show booths and retail display structures with angled corner joints using the 135° variant.
Frequently Asked Questions
Ready to Source Interior Corner Brackets?
Contact our team for pricing, technical support, and custom configurations