20 Sets Black 2020 Series Aluminum Extrusion Corner Bracket Kit, Includes 20pcs Right Angle Connectors, 40pcs M5 T Slot Nuts and Screws for 20 Series V-Slot Aluminum Profile Accessories
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Availability:
15 left in stock
Arrives
Sunday, Sep 13
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Color: Black
Number of Items: 20
Features
- PREMIUM MATERIALS & ENHANCED PROTECTION : Engineered from durable aluminum alloy, each 2020 corner bracket is finished in a refined matte black coating that resists rust, wear, and scratches. The included M5 T-nuts are made of high-quality carbon steel, while the bolts are stainless steel with black zinc flake platingbuilt for strength and corrosion resistance.
- SMART INSTALLATION DESIGN : Working in tight spots? No problem. The ball-end hex wrench included in this kit lets you tighten bolts at an angle, saving time and effort. These inside brackets are precisely shaped for 20 Series aluminum profiles (6mm slot), giving you a clean, flush connection every time.
- ALL-IN-ONE HARDWARE KIT : Youll receive 20 corner brackets (17x20 mm), 40 M5 sliding T-nuts, 40 black M5 hex screws, and 1 ball-end hex wrench. Whether youre setting up a CNC rig or building custom frames, this set delivers everything you need for strong 90-degree connections.
- IDEAL FOR DIY & INDUSTRIAL PROJECTS : This kit works great for both home and professional setupsuse it for 3D printers, robotic arms, machine frames, or workbenches. Fully compatible with 2020 and 2040 aluminum extrusion profiles, its a reliable choice for makers, engineers, and tinkerers.
- WORRY-FREE AFTER-SALES SUPPORT : We stand behind our products. If you run into any issues or have questions about installation or compatibility, our responsive support team is ready to help. Your satisfaction is our top priority, and were committed to making sure you get the results you expect.
Color: Black
Brand: TOHIRA
Material: Aluminum
Item dimensions L x W x H: 0.79 x 0.67 x 0.79 inches
Item Weight: 0.31 kg
Brand Name: TOHIRA
Model Number: 2017B
Manufacturer: Pengde Hardware Manufacturing
Set Name: 20 Sets of 2017 Corner Brackets
Included Components: 1pc Ball-end hex wrench, 20pcs 2017 Corner Bracket, 40pcs M5-Screw, 40pcs M5-Sliding Nut
Item Dimensions: 0.79 x 0.67 x 0.79 inches
Item Weight: 0.31 kg
Unit Count: 20 Count
Item Depth: 20 millimeters
Material Type: Aluminum
Mounting Type: Corner Mount
Color: Black
Finish Types: Painted
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Sep 13
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Black
Number of Items: 40
Excellent quality
Reviewed in the United States on December 24, 2025 by Luis
Color: Black
Number of Items: 40
I bought 2 sets of the same product. Overall they worked as designed. My disappointment was one set came with drop in t nuts instead of the advertised slide in t nuts. I didn't get around to using until the return window has closed.
Reviewed in the United States on February 14, 2026 by Alan D. Jones
Color: Black
Number of Items: 20
Great addition. Consider additional hardware like drop in nuts or hardware for assembly functionality. great value.
Reviewed in the United States on January 15, 2026 by Kurt S
Color: Black
Number of Items: 20
I'm just starting out using the standardize Euro aluminum extrusions, so there is a lot I don't know. If this review is nonsense, consider the source. These corner brackets work as designed, but are slightly narrower than I would have thought. They have to be centered on the extrusion manually. It's not a big deal but I thought it should be a little more automatic.
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Reviewed in the United States on April 11, 2026 by K. Williams
Color: Black
Number of Items: 20
T nuts don’t fit slot
Reviewed in the United States on July 19, 2026 by Boyd B.
Color: Black
Number of Items: 20
This kit includes everything I need: 20 sturdy right-angle connectors, 40 perfectly fitting M5 T-slot nuts, and matching screws—no need to search for compatible hardware. The brackets are precisely cut at 90 degrees, so they align perfectly every time, which is crucial for keeping the frame square and stable. The black anodized finish is a highlight. It's stylish, scratch-resistant, and blends seamlessly with the black 2020 V-slot profile for a unified look. The screws are the perfect length, penetrate cleanly, and tighten securely without stripping or damaging the extrusion. Assembly was a breeze—all parts fit perfectly right out of the box.
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Reviewed in the United States on August 13, 2025 by Glamper
Color: Black
Number of Items: 20
I usually hate installing corner brackets in tight spots, but the ball-end hex wrench included here was brilliant – angled tightening saved me so much frustration. The premium materials really stand out. The matte black coating on the aluminum alloy feels super durable and looks sleek, resisting scratches during my messy build. Whether you're tackling a DIY workbench or a professional machine frame, this kit delivers serious strength and corrosion resistance for 90-degree joints. Money well spent for makers needing reliable hardware.
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Reviewed in the United States on August 17, 2025 by Colorado Reservoit
Color: Black
Number of Items: 20
The parts arrived clean and well packaged. The screws are clean and dry with a shiny black nickel coating on the button heads. Threads were clean and there was no problem with threading engagement. However, the guide bumps on the angles were far too small, not providing sufficient guidance to keep the bracket straight in the channels of a 2020 extrusion. Additionally, while they are advertised at 17 mm wide, they are undersized compared to a 2020 extrusion that's 20 mm wide. Without proper alignment in the slot these are pretty substandard and will not be used in the next project. For something that is unimportant, perhaps the mediocrity is okay. At least the screws and t-nuts are acceptable.
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Reviewed in the United States on August 17, 2025 by RCAddiction