0.4mm Micro CNC Drill Bit Set/Drill Bits/Nozzle Cleaning Needle - 10 Pieces
This is a set of 10 micro drill bits with a diameter of 0.4mm.
It can also be used to solve nozzle clogging problems experienced in 3D printers.
It is used for drilling materials such as Printed Circuit Boards (PCB), plastic, plexiglass, wood, ceramic, etc.