Aluminum alloy shell, appearance sand blasting, long life use. Ideal for drilling holes on plastic, wood, acrylic, pearl, paper, thin aluminum board, PCB circuit plate board, bodhi, walnut and nut shell under 1/4" 6mm thickness.
A good hand tool for DIY working grinding or engraving. Small volume, light weight, easily carry, comfort grip handle, offers better control while for cutting, engraving, milling, grinding, polishing, removing and drilling.
Install Drill Bits in Right Way: Please see image No.2 which show how to tight the drill bits. Please make sure the drill bits be installed staright enough, or it will cause webble.
Consider opting for the 5A version mini drill B075SZZN4J if you need a tool that can provide greater precision and is suitable for working with tough materials like iron, as this mini drill may not meet those requirements.
Motor shaft diameter is 2 mm. Light power mini hand drill. Cannot be used continuously for a long time. Please do not drill thick metals, stone tools, glass, walls, etc.