how to make mini drill machineHow to Make a Portable Drill Machine Using a 12/24V DC Motor Materials Needed:- 12V or 24V DC motor (high-torque preferred)- Large plastic syringe (for housing)- Drill chuck or small collet (to hold the drill bit)- Small drill bits (as required)- Battery pack or charger (12/24V depending on the motor) - Switch (on/off