Brass Knurled Insert Nuts Kit M2.5 x 4mm Length 3.5mm Outer Diameter Female Thread Embeds 30 PCS Pro Grade DIY Builds Ultrasonic Or Heat Install Ready

Brass M2.5 Knurled Insert Nuts Kit - 30 pcs Install
✔️ M2.5x0.45 thread, 0.16" long (4.0 mm), OD 0.138" (3.5 mm)

These brass knurled insert nuts come in a 30-piece kit designed for M2.5 threaded inserts. They’re widely used in plastic parts and injection-molded prototypes to create reliable female threads for screws. They install with ultrasonic or heat into a tapered hole, and the built-in guide pilot eliminates the need for counterboring or countersinking.

✅ Thread size: M2.5x0.45mm; length 0.16" (4.0 mm); outer diameter 0.138" (3.5 mm)
✅ OD tolerance: +0.02"/0"
✅ Material: Brass, corrosion resistant, good heat conduction
✅ Installation: Ultrasonic or heat into threaded hole
✅ Special feature: Guide pilot reduces need for counterbore

💡 What is a brass knurled insert nut used for in plastic projects and DIY prototyping?

This handy connector creates strong threaded joints in molded parts. - M2.5x0.45 mm thread inserts for plastic components - Installed by ultrasonic or heat into a tapered hole - Brass knurling helps grip the surrounding plastic - 30-piece kit provides multiple inserts for projects ✝️