
M8 Stainless Steel Square Nut for 40 Series Aluminum Profile
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Prices updated: 13 Oct 2026
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About this product
An M8 square nut made of stainless steel for 40 series aluminum extrusion profiles. It slides into the profile slot to fasten brackets and parts to the frame. Commonly used in 3D printer and CNC frame construction.
Specifications
- Thread size
- M8
- Shape
- Square / مربعة
- Material
- Stainless steel / فولاذ مقاوم للصدأ
- Compatible profile
- 40 Series aluminum / ألومنيوم سلسلة 40
Frequently asked questions
Does it fit 2020 aluminum profiles?
No. It is designed for 40 series aluminum profiles, which use a larger slot. Use 2020 series nuts for 2020 profiles.
What bolt size should I use with it?
The title specifies M8 thread. The listing body also mentions M6 in one line, so confirm the bolt diameter for your build before tightening.


