Die-cast Corner Brackets
XABB11 · XABB13
High-rigidity ADC12 zinc alloy 90° corner brackets for T-slot aluminum profile frames. Precision die-cast for consistent geometry and superior load-bearing performance. Available in natural sandblasted finish (XABB11) and black powder coated finish (XABB13). Compatible with EU 20–50 series and GB 30–40 series profiles.

Material
ADC12 Zinc Alloy
Part Codes
XABB11 / XABB13
Profile Compatibility
EU 20–50 · GB 30–40
Available Series
16 Standard Series
Surface Finishes
Two standard finishes are available for all series. Custom colors available on request for orders ≥ 500 pcs.
XABB11NaturalSandblasted / Vibratory Polishing
Uniform matte-silver surface with micro-textured finish. Suitable for general industrial environments. Corrosion resistance enhanced by zinc alloy base material.
XABB13BlackBlack Powder Coated
Electrostatic powder coat in matte black. Improved abrasion resistance and aesthetic finish for machine guarding and display frames. Salt spray resistance ≥ 500 h.
Part Number System
Full part numbers are composed of the product code plus the series designation, separated by a hyphen.
Series format: slot width (mm) × slot depth (mm) – profile width × profile height. Example: 408-4040 = Slot 8 mm, 40 × 40 mm profile.
Dimensions & Series Compatibility
All dimensions in millimeters (mm). Applies to both XABB11 and XABB13.
Square Profile Connections (e.g. 30×30, 40×40)

| Code | Series | A | B | W | D | L | H | Compatible Profile |
|---|---|---|---|---|---|---|---|---|
| XABB11 / XABB13 | 206-2020 | 20 | 17 | 3.5 | 6.2 | 3 | 9 | EU 20 · Slot 6 mm |
| 308-3030 | 35 | 28 | 6 | 6.2 | 11 | 14 | EU 30 · Slot 8 mm | |
| 408-4040 | 39 | 33.5 | 7.5 | 9 | 12 | 11 | EU 40 · Slot 8 mm | |
| 4010-4040 | 39 | 33.5 | 7.5 | 9 | 12 | 11 | EU 40 · Slot 10 mm | |
| 4510-4545 | 42 | 42 | 8.5 | 9 | 12 | 18 | EU 45 · Slot 10 mm | |
| 5010-4545 | 42 | 42 | 8.5 | 9 | 12 | 18 | EU 50 · Slot 10 mm | |
| G306-3030 | 35 | 28 | 6 | 6.2 | 11 | 14 | GB 30 · Slot 6 mm | |
| G408-4040 | 39 | 33.5 | 7.5 | 9 | 12 | 11 | GB 40 · Slot 8 mm |
Rectangular Profile Connections (e.g. 20×40, 30×60)

| Code | Series | A | B | W | D | L | L1 | H | Compatible Profile |
|---|---|---|---|---|---|---|---|---|---|
| XABB11 / XABB13 | 206-2040 | 38 | 19 | 5 | 6.2 | — | 14.5 | 15 | EU 20 · Slot 6 mm |
| 308-3060 | 58 | 29 | 5.5 | 8.5 | 9.5 | 15 | 19 | EU 30 · Slot 8 mm | |
| 408-4080 | 78 | 39 | 8 | 8.5 | 17 | 20 | 22.5 | EU 40 · Slot 8 mm | |
| 4010-4080 | 78 | 39 | 8 | 8.5 | 17 | 20 | 22.5 | EU 40 · Slot 10 mm | |
| 4510-4590 | 88 | 43 | 9.5 | 10 | 22.5 | 22 | 22.5 | EU 45 · Slot 10 mm | |
| 5010-4590 | 88 | 43 | 9.5 | 10 | 22.5 | 22 | 22.5 | EU 50 · Slot 10 mm | |
| G306-3060 | 58 | 29 | 5.5 | 8.5 | 9.5 | 15 | 19 | GB 30 · Slot 6 mm | |
| G408-4080 | 78 | 39 | 8 | 8.5 | 17 | 20 | 22.5 | GB 40 · Slot 8 mm |
Large Square Profile Connections (e.g. 60×60, 80×80)

| Code | Series | A | B | C | W | D | L | L1 | H | Compatible Profile |
|---|---|---|---|---|---|---|---|---|---|---|
| XABB11 / XABB13 | 308-6060 | 56 | 59 | 30 | 5 | 8.5 | 12 | 13 | 17 | EU 30 · Slot 8 mm |
| 408-8080 | 78 | 79 | 40 | 7 | 8.5 | 18 | 20 | 19 | EU 40 · Slot 8 mm | |
| 4010-8080 | 78 | 79 | 40 | 7 | 8.5 | 18 | 20 | 19 | EU 40 · Slot 10 mm | |
| G306-6060 | 56 | 59 | 30 | 5 | 8.5 | 12 | 13 | 17 | GB 30 · Slot 6 mm | |
| G408-8080 | 78 | 79 | 40 | 7 | 8.5 | 18 | 20 | 19 | GB 40 · Slot 8 mm |
Key Features
High Rigidity Die-cast Construction
ADC12 zinc alloy provides superior tensile strength compared to extruded aluminum brackets, ideal for heavy-duty structural joints.
Precision Geometry
Die-casting process ensures consistent 90° angle tolerance across all production batches, critical for frame squareness.
Broad Profile Compatibility
16 standard series covering EU 20–50 mm and GB 30–40 mm profiles. Both square and rectangular profile combinations supported.
Two Standard Finishes
XABB11 (natural sandblasted) for general use; XABB13 (black powder coated) for aesthetics and enhanced corrosion resistance.
Tool-free Series Identification
Part number encodes both code and series, simplifying BOM management and procurement for multi-series projects.
OEM & Custom Options
Custom hole patterns, dimensions, and surface finishes available for orders ≥ 500 pcs. Contact our engineering team for details.
Typical Applications
Industrial Automation Frames
Conveyor systems, robot cells, and assembly line structural frames requiring high rigidity and precise 90° joints.
Machine Guarding & Enclosures
Safety enclosures and protective covers for CNC machines, press equipment, and industrial machinery.
Workstations & Assembly Benches
Lean manufacturing workstations, ESD-safe assembly tables, and ergonomic height-adjustable benches.
Display & Exhibition Structures
Trade show booths, retail display frames, and modular exhibition systems requiring clean aesthetics.
Cleanroom & Food-Grade Frames
Black powder-coated XABB13 variant suitable for cleanroom partitions and food processing equipment frames.
Material Handling Systems
Pallet rack supports, conveyor guide rails, and storage system frames in warehousing and logistics.
Technical FAQ
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