Zinc Alloy Hidden Inside Corner Connector L Bracket for 2020 3030 4040 4540 Aluminum Profile 90 Degree Internal Slot Angle Joint Fastener Fitting
- Quality assured: strict inspection, stable export
- Non-standard custom: made to drawings, flexible
- Fast delivery: in stock, reliable lead time
- Professional service: 20+ years, full support
Hidden Built-in Design, Neat Assembly
Internal slot mounting without exposed external brackets, keeps aluminum frame surface smooth, ideal for cabinet, workbench, equipment frame with aesthetic demand.
High Strength Zinc Alloy + Nickel Plating Finish
Die-cast zinc alloy solid body, high load-bearing capacity; full nickel-plated surface anti-rust, anti-corrosion, wear-resistant for long service life indoor & mild outdoor use.
Precision Thread, Tight Locking Without Loosening
Standard M5/M6 internal threaded holes, uniform tapping, match hex socket set screws perfectly, stable 90° vertical connection, no shaking after installation.
Full Size Compatibility for All Common Profiles
Complete specs fit 2020,3030,4040,4545 European & standard national aluminum extrusions; multiple sizes for frame, automation equipment, showcase, assembly line.
Easy Fast Installation, Save Labor Cost
No complex cutting, directly insert into profile slot then lock screws; fast batch assembly for factory mass production, boost installation efficiency.
Factory Direct Supply, Custom & Bulk Support
ISO certified manufacturer, stable stock, low MOQ, support custom size/plating; competitive wholesale price for distributors & equipment manufacturers.
Wide Application Scenarios
Widely used for industrial workbench, equipment enclosure, safety guardrail, display cabinet, automation frame, office partition, 3D printer frame.
