10-Piece PCB Drill Bit Set With 1/8 Inch Shank And 1.4mm Tungsten Carbide Micro Twist Bits For Circuit Boards, Jewelry, Plastic, Wood, And Soft Metals - High-Precision, Long-Lasting DIY Tools

High-Precision Tungsten PCB Drill Bit Set, 1/8in Shank
✔️ 10-piece set: 1.4mm carbide bits, 3.175mm shank, 38mm

This 10-piece PCB drill bit set uses tungsten carbide micro bits for precision drilling on circuit boards, jewelry, plastics, fiberglass, acrylic, wood, and soft metals. The 1/8 inch shank fits most rotary tools and CNC machines, making it a handy choice for hobbyists and professionals alike.

✅ Diameter: 1.4 mm (0.055") cutting edge
✅ Shank: 3.175 mm (1/8") to fit most rotary tools
✅ Overall length: 38 mm (1-1/2")
✅ Material: tungsten carbide for high hardness and wear resistance
✅ Features: spiral flute for chip clearance; positioning ring for quick setup

💡 What is a PCB drill bit used for in electronics and crafting projects? This handy tool is designed for precise drilling on PCBs, jewelry, plastics, fiberglass, wood, and soft metals. - PCB drilling for circuits, jewelry, and small components - Tungsten carbide offers long life, hardness, and heat resistance - Spiral flute design improves chip clearance and lowers cutting resistance - Positioning ring speeds setup time and accuracy