8020, 4302, 15 Series Aluminum 2 Hole Inside Corner Bracket 90 Degree Angle Bracket for 80/20 T Slot Extruded Aluminum Extrusion (25, Clear Anodize)
$139.95








Price: $139.95
(as of Mar 07, 2026 02:56:02 UTC – Details)
Product description


80/20 Aluminum Joining Brackets and Plates
8020 offers many varieties of plates and brackets for both fractional and metric t-slotted aluminum extrusions.

No machining is required to utilize joining plates and brackets, giving you unlimited flexibility on where you can utilize them.

With hardware, plates and brackets activate the 2-degree lock feature on most profiles, which enables connections to remain vibration resistant and strong.

Using 80/20 recommended hardware ensures proper bolts and t-nuts for the correct fit.

80/20 offers many pre-packaged joining plates and hardware available for purchase together, ensuring you receive the correct parts together.
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Customer Reviews
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5.0 out of 5 stars 1
4.8 out of 5 stars 58
3.7 out of 5 stars 6
5.0 out of 5 stars 5
Price
$112.89$112.89 $70.50$70.50 $148.95$148.95 $139.95$139.95 $109.95$109.95 $259.95$259.95
Series
15 Series 10 Series 15 Series 15 Series 10 Series 10 Series
Anodize
Clear Anodize Clear Anodize Clear Anodize Clear Anodize Clear Anodize Black Anodize
Number of Thru Holes
2 4 5 2 4 4
Application












This metal 90 degree bracket measures 1.5 x 1.5 x .25 x 1.31 inches with two .328 inch diameter thru holes. Perfect for your 80/20 t slot aluminum extrusion project!
8020 corner bracket is compatible with 15 Series aluminum extrusions or 1.5 inch based extruded profiles. Works with many of our competitors aluminum extruded frame.
Strong durable brackets that can be easily removable and reused. Top line quality control with smooth de-burred edges, tight tolerances, and a anodize finish ensures a perfect bracket.
Made out of 6063-T6 aluminum, this can be used as brackets for shelves, home improvement projects, t slot aluminum extrusion, or 3D Printer applications.
#3330 and #3278 assembly hardware is recommended (but not included) for 8020 1.5″ based applications.
5 reviews for 8020, 4302, 15 Series Aluminum 2 Hole Inside Corner Bracket 90 Degree Angle Bracket for 80/20 T Slot Extruded Aluminum Extrusion (25, Clear Anodize)
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$139.95
greg flugie –
Don’t compromise by getting Chinese knock off parts
Don’t try any cheaper brackets. These work amazing.
Lorraine R. –
Good quality
Clean
Eric A. Silk –
8020 Corner Brackets
Awesome. These aluminum construction parts are impressive. What is more impressive is the ease with which they can be acquired on Amazon.
Amazon Customer –
Fasteners 80/20 extrusion
Very Easy installation!
ed varga –
Why so darn expensive?
Great product but it doesn’t justify the outrageous cost.