40-Series Four-Side T-Slot Industrial Aluminum Profile with Serrated Center Hole for Automation Equipment Frames & Industrial Workbenches

The four-side T-slot aluminum profile is an extruded structural aluminum profile developed for modular equipment frames, industrial workstations, assembly lines, mechanical fixtures, and equipment mounting structures. Manufactured from 6063-T5 aluminum alloy, the profile combines low weight with high structural rigidity and provides standardized mounting interfaces on all four sides.

The one-piece extrusion incorporates multiple hollow cavities, cross reinforcing ribs, four-sided T-slots, and a serrated center connecting hole. This structure supports fast assembly while providing improved resistance to bending, torsion, and vibration.

Product Highlights

One-Piece Rib-Reinforced Extrusion

The profile is produced as an integrated extrusion rather than assembled from separate structural components. Its multi-cavity internal configuration and cross ribs increase section rigidity and help distribute loads more evenly.

Uniform wall thickness contributes to consistent mechanical performance and dimensional stability during long-term equipment operation.

Four-Side T-Slot Mounting Structure

Standard T-slots are integrated into all four sides of the profile, allowing commonly used T-nuts, bolts, angle brackets, fastening plates, and other industrial accessories to be installed directly.

No additional slot machining is required for standard mounting applications, helping simplify fabrication and reduce assembly time.

Serrated Center Connecting Hole

A serrated central hole is incorporated into the extrusion for use with compatible internal connectors. This connection method allows profiles to be joined from the inside while maintaining a clean external appearance.

The serrated structure also helps provide a firm mechanical connection for modular frame construction.

6063-T5 Aluminum Alloy

The profile uses 6063-T5 aluminum alloy, offering a practical combination of structural strength, machinability, corrosion resistance, and thermal conductivity.

Compared with steel structural sections of similar application, the aluminum profile provides lower overall weight, making transportation, installation, repositioning, and equipment adjustment easier.

Standard Specifications

Typical Applications

The four-side T-slot aluminum profile can be configured for a wide range of modular industrial structures, including:

• Automation equipment frames

• Industrial workbenches

• Assembly line structures

• Conveyor and production line beams

• Mechanical fixture platforms

• 3D printer frames

• Equipment mounting frames

• New energy equipment structures

• Industrial machine enclosures and support structures

The four-sided slot configuration is particularly suitable for applications requiring frequent component repositioning, modular expansion, or tool-free adjustment of accessories.

Structural Performance

The combination of hollow cavities, cross ribs, and controlled wall thickness provides a balance between weight and rigidity.

The reinforced extrusion structure is designed to withstand bending and torsional loads generated by equipment operation. It also provides improved structural stability under sustained static loads and vibration from machinery.

For modular equipment frames, the standardized T-slot geometry allows brackets, supports, panels, sensors, fixtures, and other components to be positioned without extensive secondary machining.

Surface Treatment Options

Different surface finishes are available according to the intended application.

Mill Finish
The standard finish for projects where additional surface treatment is not required or where the profile will receive further processing.

Natural Anodizing
Provides additional surface protection and improves resistance to environmental exposure and general industrial wear.

Electrostatic Powder Coating
Available for projects requiring specific appearance requirements or additional surface protection.

Surface treatment can be specified together with profile dimensions and extrusion requirements during project development.

Dust and Splash Protection

The integrated T-slot structure can accommodate compatible sealing strips and dust covers.

This allows equipment manufacturers to improve protection against dust and water splash in applications where the frame design requires additional enclosure or sealing measures.

The final protection performance depends on the complete frame structure, sealing components, joints, and equipment installation environment rather than the aluminum profile alone.

Corrosion Resistance

6063-T5 aluminum alloy naturally provides resistance to corrosion in many industrial environments. Anodized or powder-coated surfaces can provide additional protection where the profile is exposed to humidity, outdoor conditions, or more demanding operating environments.

These options make the profile suitable for both indoor industrial equipment and selected outdoor applications.

Lightweight Structural Design

The hollow multi-cavity configuration reduces material weight while maintaining the required section rigidity.

For equipment manufacturers, lower profile weight can simplify:

• Frame transportation

• On-site installation

• Equipment repositioning

• Modular assembly

• Structural adjustment

• Overall equipment handling

Aluminum is also recyclable, providing an additional material advantage for manufacturers considering lifecycle and material recovery requirements.

Custom Aluminum Extrusion Services

The profile can be customized according to project drawings and structural requirements.

Available services include:

• Custom extrusion die development

• Profile dimension customization

• Custom length cutting

• CNC drilling

• CNC tapping

• CNC machining

• Additional precision processing

• Anodizing

• Powder coating

• Sample development

• Small-batch production

Engineering support is available from drawing review and tooling development through sample verification and volume production.

Factory Manufacturing Capabilities

Jiangxi Tai’an Aluminum operates 12+ extrusion lines, an in-house mold workshop, and automatic powder spraying and anodizing production lines.

Integrated manufacturing capabilities reduce dependence on third-party processing and support factory-direct production, with typical bulk-order lead times of 20–35 days, depending on product specifications, processing requirements, and order volume.

Quality Control

Quality control covers key stages from raw material inspection to extrusion and surface finishing.

The production process includes:

• Raw material inspection

• In-line dimensional monitoring

• Surface finish inspection

• Coating adhesion testing

• Batch quality control

• Mill Test Report documentation

Products are supplied in accordance with applicable ISO 9001, CE CPR, and RoHS requirements.

OEM / ODM Support

Jiangxi Tai’an Aluminum provides OEM/ODM support for customers requiring non-standard aluminum extrusion profiles or additional processing.

The project workflow can include:

Drawing Review → Profile Design Evaluation → Extrusion Die Development → Sample Production → Sample Verification → Mass Production → CNC Processing → Surface Treatment → Export Packaging

This full-cycle process allows profile dimensions, slot configuration, surface finish, cutting length, and secondary machining requirements to be coordinated within the same project.

Global Supply Capability

With more than 5 years of export experience, Jiangxi Tai’an Aluminum supplies aluminum extrusion products to customers in 30+ countries across Southeast Asia, the Middle East, Europe, and Oceania.

The profiles are supplied for projects operating under different environmental conditions, including coastal humidity, high-temperature inland regions, and colder climates.

Export Packaging

For international transportation, profiles are protected with:

• PE protective film

• Plastic steel strapping

• Edge protectors

• Fumigated wooden pallets

The packaging configuration is designed for sea freight and helps reduce the risk of surface damage during loading, transportation, and unloading.

Order Support

Flexible MOQ options are available for different purchasing stages.

Sample Orders: Available for initial profile evaluation and application testing.

Trial Batches: Suitable for customers validating a new equipment design or production line.

Bulk Orders: Supported for regular manufacturing and large-scale equipment projects.

Customers can provide the required profile drawing, dimensions, surface treatment, estimated quantity, and processing requirements for project evaluation and quotation.