Uxcell 0.3mm-1.2mm Micro Mini Twist Drill Bit Pin Vise Hand Drill Rotary Tool Set 31 Pack

Uxcell 0.3mm-1.2mm Micro Mini Twist Drill Bit Pin Vise Hand Drill Rotary Tool Set 31 Pack Tungsten carbide PCB mini drill bits are high hardness high wear resistance high strength resistance to bending. With sharp cutting edge milling groove and clean surface the tools work quickly and cleanly no glitches0r scrap left. For precision drilling in PC boards plastic fiberglass wood soft metal. High-speed steel drill bits features high hardness and toughness heat resistance wear resistance hardened up to 63-65HRC. Sharp cutting edge provides smooth cutting. Gold titanium and black nitride dual coatings can apply lubricant better for smoother drilling and is more durable and corrosion resistant. Spiral chip space design for fast and clean chip removal. Made of aluminum alloy the pin vise hand drill is durable and firm. Vise head can be easily adjustable to clamp different drill bits sizes. 3-claw hardened steel chuck can firmly hold micro drill bits. Pen style design compact size and light weight. Widely used for drilling precise holes on wood plastic walnut amber beads beeswax olive nut small model kit and other DIY projects.