Premium Heat Set Threaded Brass Inserts for 3D Printing – M3x5x4 | 100PCS Pack 

Upgrade your 3D printing projects with these high-quality heat set threaded brass inserts, designed for strong, reliable, and long-lasting threads in plastic parts. Perfect for professionals, hobbyists, and DIY enthusiasts across the UK!\

 KEY FEATURES

High Precision Engineering
Manufactured with accuracy to ensure a perfect fit for M3 threads (M3x5x4), providing secure fastening every time.

Heat Set Installation
Designed for easy insertion using a soldering iron or heat tool – melts smoothly into plastic for a firm, permanent hold.

Durable Brass Material
Made from premium brass for excellent corrosion resistance, strength, and long-term durability.

Strong Thread Grip
Creates reliable internal threads in PLA, ABS, PETG, and other thermoplastics, preventing stripping and wear.

Value Pack – 100PCS
Bulk pack ensures you always have inserts ready for multiple projects – ideal for workshops and businesses

SPECIFICATIONS

• Thread Size: M3
• Dimensions: M3 x 5mm (length) x 4mm (outer diameter)
• Material: High-Quality Brass
• Quantity: 100 Pieces
• Installation Method: Heat Set (Soldering Iron Compatible)

✔️ 3D Printed Parts Reinforcement
✔️ DIY Projects & Repairs
✔️ Electronics Enclosures
✔️ Automotive & Mechanical Applications
✔️ Professional Prototyping

WHY CHOOSE OUR BRASS INSERTS?

Reliable Performance for All 3D Prints
Excellent Value Bulk Pack
Perfect for eBay, Etsy & Workshop Use

HOW TO USE

1️⃣ Heat your soldering iron
2️⃣ Place insert on the printed hole
3️⃣ Gently press while heating
4️⃣ Let it cool – secure threaded insert ready to use!