Description
Product Overview
Honbay provides a reliable solution for fastening needs with this pack of 100 M3 square nuts crafted from 304 stainless steel. Each nut measures 5.4 mm on each side with a 3 mm inner hole, offering a fully threaded, Class 2A ISO metric profile. The flat head and square shape deliver excellent torque distribution and resistance to loosening, making them suitable for a wide range of industrial and DIY applications.
Usage
These nuts excel in electronics enclosures, automotive brackets, machinery assemblies, and prototype builds where corrosion resistance and precise fit are critical. Their compact square form fits into tight spaces while providing a larger bearing surface than round nuts, ideal for securing panels, heat sinks, and structural components.
Why Choose Us
Honbay is known for stringent quality control and consistent material standards. Each batch undergoes corrosion testing to ensure long‑term performance in harsh environments. The 304 stainless steel construction guarantees rust‑free service, and the nuts are supplied in a convenient 100‑piece package for bulk projects.
Key Features
- Premium 304 stainless steel provides superior corrosion resistance.
- Square shape offers greater torque resistance and a larger bearing surface.
- Fully threaded, Class 2A ISO metric design ensures precise, secure fit.
- Compact 5.4 mm square size ideal for tight‑space applications.
- Dedicated customer support and hassle‑free returns for peace of mind.
FAQ
What is the thread size?
The nuts have an M3 metric thread with a 3 mm inner diameter.
Are these nuts suitable for outdoor use?
Yes, the 304 stainless steel construction resists rust and corrosion, making them appropriate for outdoor and marine environments.
Can I use these nuts with standard M3 bolts?
Absolutely, they are fully compatible with any standard M3 bolt or screw.
Do the nuts come pre‑lubricated?
No, they are supplied dry, allowing you to apply the lubricant of your choice for specific applications.
What is the packaging?
The nuts are packed in a single resealable bag containing 100 pieces, labeled with part number M3‑SQUARE‑NUTS‑100PCS.





Square Nut 7/16-14 Zinc Plated by Hillman Group 12-Pack
M3 stainless steel square thin nut YunShuo 100pcs 1.8mm Thickness
Reviews
There are no reviews yet.