250 Piece Brass Knurled Threaded Insert Nuts Kit M2 M3 M4 Female Thread Embedding Assortment With Reusable Storage Case High Quality Heat Resistant Fastener Inserts For Electronics And DIY Projects

250-Piece Brass Knurled Threaded Inserts Kit (M2/M3/M4)
✔️ 250pcs brass knurl inserts pack in re-sealable case for DIY projects

These high-quality brass knurled thread inserts are designed to embed securely in plastic parts. They’re ideal for electronics housings, hobby projects, and DIY enclosures, providing durable, screw-ready threaded holes.

✅ Material: Brass, heat resistant knurl inserts
✅ Size set: M2, M3, M4 with multiple lengths from 3-12mm
✅ Includes 250 pieces in rugged re-sealable case
✅ Installation: heat or ultrasonic methods, no counterbore needed
✅ Applications: injection molding, electronics enclosures, DIY projects

💡 What is a knurled threaded insert used for in plastic parts? A handy solution to add a durable, screw-ready thread in soft plastics for electronics housings and DIY projects.
- Durable brass construction supports repeated assembly
- Knurled grip helps hold the insert firmly in molded or printed parts
- Can be installed by heat or ultrasonic methods without countersinking
- Ideal for injection-molded components and hobby enclosures