Description
Technical Overview
The 20 Series Eccentric T-Nut functions as a post-insertion fastener for custom framing assemblies. Builders can install this hardware component directly into the slot channel of 20 Series V-Slot aluminum profiles. In contrast to standard fastening hardware, you can place this nut anywhere along the open track. Therefore, you do not need to slide it from the rail ends. This design allows for flexible positioning at any stage of the building process.
First, you insert the hardware and begin tightening the engaging screw. Consequently, the eccentric design utilizes an offset threaded hole to turn the nut inside the channel. This rotational movement securely engages the nut against the underside of the extrusion track. Ultimately, this locking mechanism establishes an enhanced grip, prevents unwanted movement, and distributes structural loads evenly across the profile assembly.
Applications
Builders install eccentric T-nuts across various modular mechanical builds. For example, these include 3D printers, CNC machines, and custom robotics structures. These environments frequently require high-precision framing adjustments. Therefore, these nuts provide a practical way to anchor brackets, plates, or custom components without disassembling structural joints.
During installation, you position the nut directly into the 20 Series V-Slot profile. Next, you tighten the M5 screw to rotate and lock the component into place. Meanwhile, the offset design ensures a firm hold that resists loosening from system vibrations over time. This makes the component highly suited for adjustable assemblies and light-to-medium machinery frames.
Maker Store Tips and Tricks
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Loosely thread your M5 low-profile screws into the eccentric nut before positioning to ensure the offset hole turns and engages the extrusion wall correctly.
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For highly sensitive linear motion plates, use the eccentric rotation to fine-tune the clamping force across parallel tracks.
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Periodically inspect joint torque settings in high-vibration CNC or routing machine applications to verify long-term thread engagement.
M5 Eccentric T-Nuts 20 Series Technical Drawings:
| A | B | C | D | kg |
| 10.8mm | 15.87mm | 1.5mm | M5 | 0.003 |
Products to Pair with M5 Eccentric T-Nuts 20 Series
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M5 Cap Head Bolts – Stainless Steel – 10PC
Price range: $2.59 through $10.63 Inc. GST Select options This product has multiple variants. The options may be chosen on the product page -


V-Slot 20 x 20mm – Black – 20 Series
Price range: $10.11 through $62.66 Inc. GST Select options This product has multiple variants. The options may be chosen on the product page -

V-Slot 20 x 20mm – 20 Series
Price range: $8.60 through $53.55 Inc. GST Select options This product has multiple variants. The options may be chosen on the product page -


V-Slot 40 x 40mm – Black – 20 Series
Price range: $32.48 through $124.63 Inc. GST Select options This product has multiple variants. The options may be chosen on the product page
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