Product description
1. This 0.5-3mm twist drill chuck set is made of copper with excellent workmanship.
2. It is suitable for 0.5-3.0MM drill bit.
3. For small drills, after connecting with the motor, drill holes for the PCB circuit board with special micro drills.
4. It can be used for drilling holes such as ABS board, wood, sheet aluminum, cardboard, etc.
1. Adapter Drill: 0.5mm-3.0mm
4. Copper Drill Folder Size: 2.35/3.17/2/4.05/5.05mm
Package includes:7pcs/set