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T-Nuts Square Slide-In

Zinc-plated Square Slide-In T-Nuts for 2020 aluminum extrusion motion systems
T-Nuts for aluminum extrusion profile
T-Nuts Square Slide-In - Image 3
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Our Square Slide-In T-Nuts are the essential hardware solution for high-strength aluminum framing. Designed specifically for 20-series profiles, these slide-in fasteners provide an incredible amount of surface contact, making them a stunning choice for heavy-duty 3D printer frames and CNC gantry assemblies where maximum clamping force is required.

  • High-Torque Reliability: Square geometry prevents spinning within the slot, allowing for secure, vibration-resistant connections.
  • Precision Fit: Engineered for seamless compatibility with all 2020 and 2040 V-slot and T-slot extrusions.
  • Industrial Finish: Zinc-plated steel construction offers superior corrosion resistance and long-term durability.

Price:

Price range: $2.95 through $25.95

SKU DB-0012-4845 Categories , ,
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Product Details

T-Nuts Square Slide-In

T-Nuts Square Slide-In for aluminum extrusion profile.

A unique fastening system that is quick and easy to assemble, adjust and configure.

Aluminum extrusion profile is perfect in a wide variety of framing applications such as

3D printers, CNC machines, Work Benches and even  Scaffolding.

Will work with both T-slot and V-slot Aluminum Extrusion Profile

Sizes Available

Nickel Plated Carbon Steel

20 Series M3 M4 M5 M6
30 Series M3 M4 M5 M6

(Click to Enlarge)

Hammerhead T-nut also available in various sizes

More Information on Aluminum Extrusion Profile

More Information On Slide-In Square T-nuts 

Specifications

At dnb3d, we source hardware that meets the rigorous demands of industrial digital fabrication in Marathon, Ontario:

Nut Type Square Slide-In T-Nut
20 Series Compatibility M3, M4, M5, M6
30 Series Compatibility M3, M4, M5, M6
Material Zinc-Plated Carbon Steel
Installation Method End-Loading (Slide-in from rail end)

At dnb3d, we prioritize technical accuracy to ensure the structural integrity of your builds.

Nut Type Square Slide-In T-Nut
Material Grade Zinc-Plated Carbon Steel
M3 Max Torque 1.5 N·m (Approx. 13 in-lbs)
M4 Max Torque 3.5 N·m (Approx. 31 in-lbs)
M5 Max Torque 5.5 N·m (Approx. 48 in-lbs)
M6 Max Torque 10.0 N·m (Approx. 88 in-lbs)

Installation & Care

Proper handling ensures the structural integrity and longevity of your modular builds:

  • Installation Best Practice: As these are slide-in style nuts, they must be positioned within the rail before the end-caps or brackets are finalized. For post-assembly additions, consider our Hammer-Head T-nuts.
  • Thread Maintenance: Ensure your fasteners are clean and free of debris before threading to prevent cross-threading in the steel nut.
  • Torque Limits: While these square nuts provide superior grip, avoid over-tightening which can mar the internal surface of your aluminum extrusion.
  • Shipping & Fulfillment: All hardware orders are hand-sorted and packaged at our facility in Marathon, Ontario, to ensure you receive the exact count and thread size for your project.

Shipping & Returns

Shipping & Turnaround Times

At dnb3D, we don’t just ship boxes—we manufacture solutions. Operating our Industry 4.0 micro-factory in Marathon, Ontario, means your order is handled by the same people who design and test these components.

  • Ready to Ship (3D Printer Parts & Hardware): Finished, inspected, and on the shelf. Dispatched within 1 to 2 business days.

  • In-House Manufacturing (Laser, Plasma, 3D Prints): These items are manufactured “fresh” to order. Please allow 3 to 5 business days for precision cutting and finishing.

  • Custom Projects: Bespoke designs require a consultation and a locked-in timeline before production begins.

National Shipping Reach

We ship nationwide across Canada and the USA. Centrally located on the North Shore of Lake Superior, we are uniquely positioned to get your products moving quickly to either coast.

30-Day Craftsmanship Guarantee

We stand behind every weld, cut, and print. If a product doesn’t meet your expectations, contact the Hub within 30 days. If we wouldn’t put it in our own shop, we won’t let it sit in yours.

Returns & Personalization

  • Standard Items: Contact us within 30 days for return authorization. Items must be in original, unused condition.

  • Custom/Personalized Orders: Digitally fabricated to your exact specs (names, custom dimensions, or unique finishes) are final sale once production begins.

  • Shipping Costs: Return shipping is the responsibility of the customer unless the item arrived damaged or defective.

Have questions about a specific build? Click here to contact the shop.