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Aluminum Extrusion 40*40 T-slot

The 4040 profile is compatible with all 40 series fasteners and accessories, such as M3, M4, M5 T-nuts, and pulleys. It is ideal for constructing machine enclosures, boxes, lab tables, machinery, and robotic structures.

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Aluminum Extrusion 40*40 T-slot

The 40-4040 aluminum extrusion profile is a 40 mm x 40 mm square T-slot and V-slot profile with four open slots, one on each 40 mm side. Common sizes include 40×40, 40×80, and 40×120.

Basic specifications of 40 series t-slot aluminum profiles

Basic dimension of
40 series T-slot
t-slot
Alloy 6061 6063 6005 6060
Temper T5 T6 T61
Finish Anodize; Color coated
Color Gray, Black, Silver, Gold…
Related products 40*40, 40*80, 40*120, 40*160, T-slot, V-slot
Compatibility Information The 40 series aluminum profiles available on the MASTAR Metal
website are compatible with ISB, ISP, I-Type, and ITEM aluminum
construction profiles.

MASTAR 40*40 T-slot hot selling products

  • 40*40-10mm width-t slot

    Weight: 1,8kg/m

    Mass of lnertia: lx: 8.57cm4 ly: 8.57cm4

    Section Modulus: Zx: 4.29cm3 Zy: 4.29cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,25kg/m

    Mass of lnertia: lx: 7.3cm4 ly: 7.3cm4

    Section Modulus: Zx: 4.25cm3 Zy: 4.25cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,3kg/m

    Mass of lnertia: lx: 9.70cm4 ly: 9.70cm4

    Section Modulus: Zx: 5.10cm3 Zy: 5.10cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,5kg/m

    Mass of lnertia: lx: 9.70cm4 ly: 9.70cm4

    Section Modulus: Zx: 5.10cm3 Zy: 5.10cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,55kg/m

    Mass of lnertia: lx: 9.25cm4 ly: 9.25cm4

    Section Modulus: Zx: 4.86cm3 Zy: 4.86cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,6kg/m

    Mass of Inertia: lx:8.39cm4 ly:8.39cm4

    Section Modulus: Zx:4.20cm3 Zy:4.20cm3

    t slot
  • 40*40-8mm width -t slot (round center)

    Weight: 1,65kg/m

    Mass of lnertia: lx: 10.20cm4 ly: 10.20cm4

    Section Modulus Zx: 5.32cm3 Zy: 5.32cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,65kg/m

    Mass of lnertia: lx: 9.62cm4 ly: 9.62cm4

    Section Modulus: Zx: 4.95cm3 Zy: 4.95cm3

    t-slot
  • 40*40-8mm width -t slot

    Weight: 1,66kg/m

    Mass of lnertia: lx: 9.70cm4 ly: 9.70cm4

    Section Modulus: Zx: 5.10cm3 Zy: 5.10cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,71kg/m

    Mass of lnertia: lx: 9.31cm4 ly: 8.31cm4

    Section Modulus: Zx: 4.20cm3 Zy: 4.20cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,8kg/m

    Mass of lnertia: lx: 8.71cm4 ly: 8.70cm4

    Section Modulus: Zx: 4.36cm3 Zy: 4.35cm3

    t slot
  • 40*40-8mm width -t slot (center)

    Weight: 1,9kg/m

    Mass of lnertia: lx: 9.66cm4 ly: 9.64cm4

    Section Modulus: Zx: 4.83cm3 Zy: 4.82cm3

    t slot
  • 40*40-8mm width -t slot (side)

    Weight: 1,9kg/m

    Mass of lnertia: lx:9.66cm4 ly:9.64cm4

    Section Modulus: Zx:4.83cm3 Zy:4.82cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 1,95kg/m

    Mass of lnertia: lx: 9.70cm4 ly: 9.70cm4

    Section Modulus: Zx: 5.10cm3 Zy: 5.10cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 2.03kg/m

    Mass of lnertia: lx: 9.70cm4 ly: 9.70cm4

    Section Modulus: Zx: 5.10cm3 Zy: 5.10cm3

    t slot
  • 40*40-8mm width -t slot

    Weight: 2.1kg/m

    Mass of lnertia: Ix: 9.60cm4 ly: 9.60cm4

    Section Modulus: Zx: 4.80cm3 Zy: 4.80cm3

    t slot
  • 40*40-8mm width-t slot

    Weight: 2.2kg/m

    Mass of lnertia: lx: 10.20cm4 ly: 10.20cm4

    Section Modulus Zx: 5.32cm3 Zy: 5.32cm3

    t slot
  • 40*40-8mm width-t slot (RC)

    Weight: 2.2kg/m

    Mass of lnertia: lx: 10.20cm4 ly: 10.20cm4

    Section Modulus: Zx:5.32cm3 Zy: 5.32cm3

    t slot
  • 40*40-8mm width-t slot

    Weight: 2.4kg/m

    Mass of lnertia: lx: 9.70cm4 ly: 9.70cm4

    Section Modulus: Zx: 5.10cm3 Zy: 5.10cm3

    t slot
  • 40*40-8mm width-t slot

    Weight: 3kg/m

    Mass of lnertia: lx: 14.01cm4 ly: 14.01cm4

    Section Modulus: Zx: 7.01cm3 Zy: 7.01cm3

    t slot
  • 40*40-8mm width-t slot 1NVS

    Weight: 1.95 kg/m

    Mass of Inertia: lx: 130.10cm4 ly: 130.10cm4

    Section Modulus: Zx: 32.10cm3 Zy: 32.10cm3

    t slot
  • 40*40-8mm width-t slot 2NVS

    Weight: 2.1 kg/m

    Mass of lnertia: Ix: 9.25cm4 ly: 9.25cm4

    Section Modulus:Zx: 4.86cm3 Zy: 4.86cm3

    t slot
  • 40*40-8mm width-t slot 2NVS

    Weight: 1.9 kg/m

    Mass of Inertia: lx:9.66cm4 ly:9.64cm4

    Section Modulus:Zx: 4.83cm3 Zy: 4.82cm3

    t slot
  • 40*40-8mm width-t slot (RQ)

    Weight: 1.75 kg/m

    Mass of lnertia: lx: 6.15cm4 ly: 6.15cm4

    Section Modulus: Zx: 2.84cm3 Zy: 2.84cm3

    t slot

Other products of 40 series T-slot products

Our 40 series also includes 40×60, 40×80, 40×120, and 40×180 profiles, known for their exceptional strength, flexibility, and versatility in industrial and commercial projects.

If you're interested in our products, please click for details or contact us for more information and purchasing. We look forward to working with you to provide high-quality aluminum profile solutions.Quick Quote


40 series T-slot best-selling product features

  • Medium to heavy-duty applications: the 40 series T-slot aluminum profiles are ideal for medium to heavy-duty frames and structures, such as machine frames, equipment supports, and heavy-duty workbenches, providing reliable and stable support.
  • High strength: the 40*40 aluminum extrusions feature a high-strength design, suitable for supporting larger loads, including large machinery, production line supports, and heavy equipment.
  • Quality material: made from 6063 T5 aluminum, these extrusions offer excellent strength-to-weight ratio and durability. Anodized finishes in clear and black enhance both durability and aesthetics.
  • Easy assembly: the 40*40 extrusions use a T-slot design for straightforward assembly. They are compatible with various connectors and accessories, simplifying construction and providing flexible assembly and expansion options.
  • Versatility: the 40*40 design is compatible with both V-slot and T-slot systems, making it suitable for a wide range of applications, particularly those requiring frequent adjustments and expansions, such as industrial automation equipment and display racks.
  • Customizable: we offer high-level customization for the 40*40 extrusions, including custom lengths, diagonal cutting, and tapping, to ensure they fully meet your project needs and are easy to adjust and modify.
  • Precision: ehe 40×40 extrusions are manufactured with precise tolerances, ensuring consistent dimensions and easy compatibility with other components and accessories.

Integrated solutions with 40*40 T-slot framing system

40*40 mm T-slot aluminum profiles are ideal for custom frames, workstations, prototypes, and protective structures. They are widely used in automation equipment, specialized 3D printers, workbenches, lasers, supports, furniture, machinery, fitness equipment, precision printers, and automatic cutting machines.Quick Quote


  • application
    Renewable energy supports
    • Solar racks for supporting solar panels.
    • Other renewable energy equipment.
  • application
    Industrial and manufacturing
    • Frameworks for various industrial machines.
    • Equipment stands, such as conveyors and testing devices.
    • Manufacturing and assembly workstations.
  • application
    Industrial automation equipment
    • Frameworks and stands for automation equipment.
    • Robotic arms.
    • Automated production lines.
  • application
    Laboratory and technical equipment
    • Supports and frameworks for laboratory equipment, ensuring stability and precision.
    • Customizable structures and frameworks for various applications, offering high flexibility and adjustability.
  • application
    Storage racks and display stands
    • Shelving and racking systems for warehouses and storage facilities.
    • Construction of display stands and exhibition equipment.
    • Fabrication of office desks, partitions, and other office furniture.
    Contact us now

Choose MASTAR extrusion T-slot profile

  • Cutting by size: we offer precise cutting services to ensure that your aluminum extrusions are cut to the length you need, with an accuracy of +/- 0.2 mm. This level of precision guarantees seamless compliance with your project requirements.
  • Angle cutting: our skilled team can perform diagonal cuts at angles of up to +/- 60 degrees, allowing you to create unique shapes and configurations for your project with flexibility.
  • Tapping services: to further enhance the assembly process, we offer tapping services for M4, M5, and M6 threads, enabling you to easily and securely connect extrusions and other components.
  • Custom profiles: in addition to standard aluminum profiles, MASTAR also provides custom aluminum profiles based on customer specifications for size and finish. Just let us know the alloy, length, quantity, surface finish, end-use, and any other special requirements.
  • Fast delivery: with our extensive inventory, we ensure quick shipping of any standard aluminum profiles, saving time for the smooth progress of your project.
  • High-quality products: our products meet industry standards and certifications, offering lightweight, high-strength, and accurate precision to facilitate convenient, sturdy, and tight frame connections.
  • After-sales support: we provide prompt after-sales support to ensure you receive timely assistance and support while using our products.

quality control

More aluminum T-Slot sizes

Our aluminum T-slot profiles come in a variety of series sizes to meet diverse application needs. We offer series in 15, 20, 30, 45, 50, 60, 80, and 100 mm, each designed to provide specific strength and functionality. Whether you require lightweight frames or robust industrial structures, we have the right size for you. Additionally, we provide custom solutions to tailor our profiles to your exact specifications, ensuring optimal performance for your unique project.

  • t-slot
    15 series T-slot
  • T-slot
    20 series T-slot
  • T-slot
    30 series T-slot
  • T-slot
    45 series T-slot
  • T-slot
    50 series T-slot
  • T-slot
    60 series T-slot
  • T-slot
    80 series T-slot
  • T-slot
    90 series T-slot
  • T-slot
    100 series T-slot