Threaded Brass Inserts for 3D Printing Projects
300pcs Assortment Kit – 50pcs of Each Size (M2–M6)
Strengthen and extend the life of your 3D printed parts with this 300-piece Threaded Brass Insert assortment, designed to deliver strong, reliable, and professional-grade threaded connections. This comprehensive kit includes 50 inserts of each size, making it ideal for makers, engineers, and professionals working across a wide range of 3D printing applications.
A durable alternative to captive nuts, these brass inserts melt securely into printed parts, improving load distribution and reducing wear from repeated assembly and disassembly.
Key Features
High-Quality Brass Construction
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Durable Brass Material
Manufactured from high-quality brass for dependable performance and long-lasting threaded connections.
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Corrosion Resistant
Brass naturally resists corrosion, making these inserts suitable for long-term use in both indoor and outdoor environments.
Strong Bond Design
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Tapered Shape with Fins
The tapered profile and integrated fins allow the insert to melt securely into place using a soldering iron, helping to prevent pull-out.
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Enhanced Stability
Designed to distribute stress evenly, improving the structural integrity of 3D printed components.
Versatile and Practical Solution
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Professional Alternative to Captive Nuts
Delivers a cleaner, more reliable threaded connection for 3D printed assemblies.
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Time and Cost Efficient
Allows individual parts to be reprinted without replacing hardware, reducing material waste and rework.
Easy Installation
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Simple Melt-In Method
Insert into slightly undersized printed holes and melt into place using a soldering iron.
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Quick Setup
Straightforward installation helps streamline assembly and prototyping workflows.
Assortment Size Breakdown (300pcs Total)
This kit includes 50 pieces of each size, covering a broad range of common 3D printing requirements:
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M2 – 3mm Length, 3.5mm Outer Diameter
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M2.5 – 3.5mm Length, 3.5mm Outer Diameter
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M3 – 4mm Length, 4.5mm Outer Diameter
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M4 – 4mm Length, 6mm Outer Diameter
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M5 – 5mm Length, 7mm Outer Diameter
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M6 – 5mm Length, 8mm Outer Diameter
Each size is engineered for a precise fit, ensuring dependable threading in compatible printed holes.
Product Specifications
| Specification |
Details |
| Material |
High-Quality Brass |
| Type |
Threaded Brass Insert |
| Functionality |
Strong, reliable threaded connections |
| Compatibility |
Suitable for 3D printed parts with threaded requirements |
| Installation Method |
Melt in place using a soldering iron |
| Durability |
High abrasion and corrosion resistance |
| Total Quantity |
300 pcs (50 pcs per size) |
Ideal Applications
3D Printing & DIY
- Custom 3D printed assemblies
- Prototyping and functional parts
- Electronics enclosures and housings
Industrial & Engineering Use
- Machinery components
- Automotive-related projects
- Structural and experimental assemblies
Crafting & Modeling
- Model making and precision builds
- Jewelry projects requiring threaded connections
Why Choose This 300pcs Assortment?
- Covers multiple thread sizes in one convenient kit
- Durable brass construction for long-term performance
- Strong melt-in bond reduces pull-out risk
- Professional, clean alternative to captive nuts
- Ideal for repeated assembly and disassembly
Package Includes
Upgrade Your 3D Printing Projects with Confidence
This 300-piece Threaded Brass Insert assortment provides the strength, versatility, and reliability needed for high-quality 3D printed assemblies. Whether you’re prototyping, repairing, or building production-ready parts, this kit delivers consistent, professional results every time.