Hot Melt Nut Press-in Head 90° Connector for 3D Printing, Fits M4 Soldering Iron

### Premium Brass Construction Made of high-quality solid brass, this 90° heat set insert adapter delivers fast, even heat transfer, ensuring consistent heating of the insert without overheating the printed part. Durable and heat-resistant for long-term use. ### 90° Elbow Design for Hard-to-Reach Spots The right-angle design easily accesses confined spaces, deep holes, and side openings that straight tools cannot reach. Perfect for L-shaped brackets, enclosed prints, and complex internal structures. ### Universal M4 Soldering Iron Compatibility Standard M4 threaded interface fits most common soldering irons (e.g., 936 stations). Works with all standard heat set inserts from M2 to M8 when paired with corresponding tips, offering broad compatibility. ### Precision Alignment & No-Slip Installation The brass body provides stable positioning, keeping the insert perfectly straight during installation. This prevents tilting, ensuring strong, concentric threads every time. ### Essential 3D Printing Maintenance Tool Eliminates the hassle of makeshift tools. This adapter makes heat set insert installation clean, fast, and reliable, helping you create professional, durable assemblies with ease.