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10pcs 4 Hole Inside Corner Bracket for 2040 Aluminum Extrusion 6mm Slot, 2040 Black L Corner Bracket 90 Degree with 40pcs M5 T Nuts,40pcs M5 Hex Screw,1pcs Wrench
orgry

10pcs 4 Hole Inside Corner Bracket for 2040 Aluminum Extrusion 6mm Slot, 2040 Black L Corner Bracket 90 Degree with 40pcs M5 T Nuts,40pcs M5 Hex Screw,1pcs Wrench

4.2(37 reviews)
Amazon's Choicebudget$0-$49
#38,226 in Industrial & Scientific#217 in Hardware Brackets
amps
2040 A
size
2040(4 Hole)
weight
8.2 ounces
material
Aluminum

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Our AI advisor analyzes real-time pricing across all channels to find you the best deal.

AI Verdict

A 10-piece kit of 2040 aluminum L-brackets with M5 hardware for building industrial aluminum frame structures and 3D printers.

Strong Fit

This kit is a strong fit for anyone working with 2040 series aluminum extrusion, offering a complete set of 10 L-brackets and all necessary M5 hardware. The aluminum alloy construction provides adequate strength and corrosion resistance for typical maker_diy projects.

If you need higher strength or different extrusion sizes, look for kits made from steel or those explicitly designed for 3030 or 4040 profiles.

Regret Score™

Low Risk

Lower is better — measures purchase-regret risk from real buyer complaints, review credibility, and product maturity

22/100
vs. 319 Maker & DIY we've analyzedSafer than 83%
Hidden Defects
10/35

Issues discovered after purchase

Achilles' Heel
0/25

Critically weak dimension

Expectation Gap
6/20

Amazon rating vs actual quality

Fit Risk
6/20

Chance this product isn't for you

BuyChoice Score
3.8

Pros

  • Includes 10 black L-brackets, 40 M5 hex screws, 40 M5 T-nuts, and a wrench, providing a complete assembly solution.
  • Manufactured from aluminum alloy, offering high abrasion resistance and rust-proof properties.
  • Designed to fit 2040 series aluminum extrusion with a 6mm slot.
  • Fastens with bolts and nuts, making assembly straightforward.
  • Suitable for 3D printers, CNC routers, laser engravers, and robotics projects.

Cons

  • The included wrench is a basic tool, potentially not suitable for heavy-duty or long-term assembly.
  • Specific tolerances for bracket dimensions are not provided, which could lead to minor fitment variations.
  • The kit is specific to 2040 series extrusion; it does not include components for other extrusion sizes.

Dimension Scores

Precision & Quality6/10

The brackets are made from aluminum alloy and fit 2040 extrusion, meeting basic dimensional requirements, though specific tolerances are not detailed.

Ease of Use8/10

The kit includes all necessary hardware and a wrench, making it convenient to use and simply fastened with bolts and nuts.

Versatility7/10

The brackets are compatible with 2040 series aluminum extrusion and are suitable for a range of projects including 3D printers, CNC routers, and robotics.

Durability7/10

Constructed from aluminum alloy, the brackets offer high abrasion resistance and rust-proof properties, contributing to their longevity.

Best For

  • Building industrial aluminum frame structures using 2040 extrusion.
  • Assembling or modifying 3D printers with 2040 profiles.
  • Constructing CNC router frames.
  • Robotics projects requiring rigid 90-degree connections for 2040 aluminum profiles.

Not Recommended For

  • Projects requiring brackets for aluminum extrusion series other than 2040.
  • Applications demanding extremely high load-bearing capacity beyond typical aluminum alloy limits.
  • Users who prefer stainless steel or carbon steel brackets for specific applications.

Watch Out For

  • The included M5 hex screws and T-nuts, while functional, may not be of the highest grade steel, potentially stripping under excessive torque.
  • Some users report the finish on the brackets can show minor imperfections or scratches upon arrival, though this does not affect functionality.
  • The single included wrench is basic and might not offer the leverage or comfort needed for extensive assembly work.

Full Specifications

UPC798439632571
ASINB09ZX28MXY
Size2040(4 Hole)
Brandorgry
ColorBlack
StyleBlack
MaterialAluminum
Item Depth0.15 inches
Unit Count10.0 Count
Item Weight8.2 ounces
Part NumberInside02
Manufacturerorgry
Mounting TypeCorner Mount
Item model numberInside02
Batteries Included?No
Batteries Required?No
Included ComponentsBrackets

What Buyers Say

User feedback indicates this kit fulfills its basic function for connecting 2040 aluminum extrusions. While not described as exceptional, it provides a complete set of components for immediate use. The inclusion of all necessary hardware is frequently mentioned as a time-saving aspect, making it a practical choice for various projects. The aluminum alloy construction is noted for its resistance to rust and abrasion, which contributes to its suitability for industrial and DIY applications.

“Needed some L-brackets for my 3D printer frame, and this kit had everything, even the screws and nuts! Saved me a trip to the hardware store, totally works for what I needed.”

Common Praise

  • Includes all necessary hardware (brackets, screws, T-nuts, wrench) in one package.
  • Brackets are made from aluminum alloy, offering rust-proof characteristics.
  • Fits 2040 series aluminum extrusion as specified.
  • Convenient for building industrial aluminum frame structures and 3D printers.

Common Complaints

  • The overall quality is described as 'meets basic needs, not exceptional'.
  • Some users find the included wrench to be of basic quality, suggesting a need for a better tool for frequent use.
  • The black finish on the brackets can sometimes have minor cosmetic flaws.
  • The M5 hardware, while functional, might not be as robust as higher-grade alternatives.

Ownership Tips

  • The black coating on the brackets holds up well against minor scuffs, but deep scratches will expose the silver aluminum underneath.
  • The T-nuts slide smoothly into the 2040 extrusion slots, making adjustments relatively easy even after initial assembly.
  • The M5 screws hold torque adequately for light to medium loads, but for critical joints, consider using thread locker.
  • The included wrench is fine for a few connections, but your hands will thank you for a proper hex key if you're building a whole frame.

Frequently Asked Questions

What size aluminum extrusion do these brackets fit?

These brackets are specifically designed to fit 2040 series aluminum extrusion with a 6mm slot.

What material are the brackets made from?

The L-brackets are made from aluminum alloy, which provides high abrasion resistance and rust-proof characteristics.

Does this kit include all necessary hardware for assembly?

Yes, the kit comes with 10 black L-brackets, 40 M5 hex screws, 40 M5 T-nuts, and a wrench, providing a complete set for fastening.

Can these be used for heavy-duty applications?

While made from aluminum alloy, which offers stability, for extremely heavy-duty applications, you might consider steel brackets or larger profile extrusions for increased load bearing.

Is the included wrench sufficient for all assembly needs?

The kit includes one basic wrench for convenience. For extensive or frequent assembly, a higher quality hex key set or a T-handle wrench would offer better comfort and torque.

Buying Guide

When you're looking at corner brackets for aluminum extrusion, you need to know your extrusion size first – this kit is for 2040. The material matters for strength and corrosion resistance; aluminum alloy is common for maker projects. Also, check if it's a complete kit with hardware, because buying screws and T-nuts separately is a pain.

2040 Aluminum Extrusion

This refers to the profile dimensions of the aluminum beams you're connecting. '2040' means the extrusion is 20mm by 40mm. These brackets are specifically shaped to fit this size, so they won't work with 2020 or 3030 profiles.

Aluminum Alloy Material

This tells you what the brackets are made of. Aluminum alloy is relatively lightweight, resists rust, and offers enough strength for most DIY and light industrial applications. If you need extreme rigidity or load-bearing, you'd look for steel.

M5 T-Nuts and Hex Screws

These are the fasteners that secure the bracket to the extrusion. 'M5' refers to the 5mm diameter of the screw thread. The T-nuts slide into the extrusion's slot and provide a threaded anchor point for the screws, creating a strong connection.

Alternatives

If this kit doesn't fit your needs, search for brackets made from steel for higher strength, or specify the exact aluminum extrusion profile (e.g., 2020, 3030, 4040) you are using to ensure compatibility.

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