M3 Hex Nut for 3mm Screw
Introduction:
When it comes to reliable fastening solutions, the M3 Hex Nut for 3mm Screw stands as a cornerstone component across industrial, mechanical, and DIY projects. Made from stainless steel or zinc-plated metal, this M3 Hex Nut offers strength, precision, and a secure grip for 3mm threaded bolts — ensuring long-lasting performance in electronics, CNC machines, robotics, and aluminum profiles.
Whether you’re assembling a 3D printer, building an Arduino project, or tightening parts in automotive or industrial machinery, the M3 Stainless Steel Hex Nut delivers exceptional torque resistance and anti-corrosion properties.
⚙️ Key Features of M3 Hex Nut
- Standard M3 Threaded Design: Perfect fit for 3mm screws and bolts.
- Durable Construction: Made from high-quality stainless steel or zinc alloy for enhanced strength.
- Corrosion & Rust Resistant: Ideal for indoor and outdoor mechanical applications.
- Precision Engineering: Ensures accurate alignment and secure fastening.
- Versatile Compatibility: Fits 3D printers, CNC frames, robotics kits, and industrial machines.
📏 M3 Nut Dimensions and Size Guide
| Specification | Details |
|---|---|
| Thread Size | M3 (3mm) |
| Width Across Flats | 5.5 – 6mm |
| Thickness | 2 – 2.4mm |
| Material | Stainless Steel / Carbon Steel / Zinc-Plated |
| Type | Hexagonal |
| Standard | ISO Metric (DIN 934) |
These standard M3 Hex Nuts comply with DIN 934 specifications, ensuring universal compatibility across metric M3 screws and bolts.
🧰 Applications of M3 Hex Nut for 3mm Screw
- Robotics and Electronics Mounting – Reliable grip for sensors, circuits, and components.
- 3D Printer Frames – Ensures tight and stable assembly.
- CNC and Machinery Projects – Offers vibration resistance for precision builds.
- Furniture and Model Building – Lightweight yet durable fastening.
- DIY and Maker Projects – Perfect for custom aluminum profiles or modular frames.
💡 Why Choose M3 Stainless Steel Hex Nut?
- Provides superior torque performance under stress.
- Prevents loosening and wear over time.
- Offers anti-corrosion coating for extended lifespan.
- Compatible with M3 washers and screws for added stability.
- Excellent choice for high-precision and mechanical applications.
🌍 Where to Buy M3 Hex Nut for 3mm Screw in Pakistan
You can easily purchase M3 Hex Nuts online in Pakistan from trusted E-commerce platforms and industrial supply stores. Whether you need a single piece or bulk quantities, many online stores offer fast shipping, stainless steel options, and competitive pricing.
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❓ FAQs – Common User Queries
Q1. What is an M3 hex nut used for?
An M3 hex nut is used to fasten 3mm screws or bolts in mechanical assemblies, electronics, robotics, and metal frames.
Q2. What is the standard size of an M3 nut in mm?
The M3 hex nut has a thread size of 3mm, with a width of about 5.5 to 6mm and a thickness of around 2mm.
Q3. What material is best for M3 nuts?
Stainless steel M3 hex nuts are preferred for their corrosion resistance, durability, and high torque strength.
Q4. How to choose the right M3 nut for bolts?
Select based on material (steel, zinc, or brass) and application type — for example, anti-corrosion versions for outdoor or high-humidity use.
Q5. Where can I buy M3 hex nuts in Pakistan?
You can buy M3 nuts online in Pakistan through popular E-commerce platforms or hardware and industrial supply stores.
Q6. Are M3 and 3mm nuts the same?
Yes — “M3” refers to the metric 3mm thread diameter, making them equivalent in size and compatible with 3mm bolts.
Q7. Can M3 nuts be used in 3D printer frames?
Absolutely! The M3 nut for 3mm screw is widely used in 3D printer frames, CNC machines, and robotic structures due to its precision and fit.
🧾 Conclusio
The M3 Hex Nut for 3mm Screw is a small yet powerful component that delivers mechanical reliability, strength, and precision. Whether for industrial manufacturing, DIY projects, or electronic assemblies, its stainless steel construction and standard metric design make it an essential fastening solution.
For the best performance, choose a high-quality M3 Stainless Steel Hex Nut — durable, corrosion-resistant, and built to last in any application
