Quick Change Drill Chuck Kit With 2.3mm And 3.17mm Brass Shafts Mini Sport Shaft Clamp Drill Adapter For 0.3mm To 4mm Drill Bits Includes Hex Wrench Connecting Rod Brass Sleeve

Precision Mini Drill Chuck Kit with 2.3/3.17mm Brass Shafts
✔️ 1-set kit with 2.3/3.17mm brass shafts for 0.3-4mm bits

This drill chuck kit is a compact, precision tool designed to hold small drill bits securely for projects like model making, electronics, and hobby CNC work. It’s ideal when you need quick bit changes and reliable alignment on compact drills.

✅ Material: High carbon steel, durable and wear-resistant
✅ Sleeve inner options: 4mm, 5mm, 6mm, 8mm (optional)
✅ Outer diameter: 21.5mm; Taper: 2 degrees, 49 minutes, 24.7 seconds
✅ Use 0.3-4mm (0.012-0.157") drill bits
✅ JT0 connection, 6mm inner hole, 6.350mm max taper
✅ Includes drill chuck, wrench, key, and sleeve for easy setup

💡 What is a handy mini drill chuck kit used for in hobby machining and small-scale builds? A compact setup that securely holds tiny bits and aligns them for precise drilling.
- Handy for electronics, jewelry, and model-making tasks
- 0.3-4mm drill-bit range; JT0 connection for secure fit
- Includes wrench, key, and sleeve for quick setup