💟【HIGH QUALITY MATERIAL】- Our miniature small drill bits are made of selected imported alloy tungsten steel material, precision grinding technology, wear-resistant, high hardness, sharper, smooth operation and durable.
💟【SPIRAL FLUTE BITS】- Spiral chip removal design, sharp cutting edge and large helix angle design, reduce cutting force and prevent drill broken, effectively prevent the generation of accumulated chipping tumours, improve the drilling accuracy.
💟【FIXED SHANK RING DESIGN】- Humanised positioning ring sleeve design, reducing machine commissioning time and improving work efficiency; anti-vibration design of cutting edge can inhibit chattering during machining to improve machining surface quality.
💟【WIDE APPLICATION】- Great for 3D Printer Nozzle Cleaning, Amber beeswax, circuit boards, bakelite, CNC engraving plexiglass, jewelery, metal,Fiberglass, plastic and other precision drilling. Suitable for PCB drilling machines, engraving machine, CNC and high precision special drilling equipment.