3D Printer Nozzle Cleaning DIY Tungsten Carbide PCB Micro Drill Bits

The 10PCS Tungsten Carbide PCB Drill Bit Set is designed for precision drilling in printed circuit boards (PCBs), acrylic, FR4, carbon fiber, wood, plastic, resin, fiberglass, PCB laminates, and other lightweight materials. Manufactured from solid tungsten carbide, these micro drill bits offer exceptional hardness, wear resistance, and long service life while maintaining excellent dimensional accuracy.

Each drill bit features a 3.175mm (1/8″) shank, making it compatible with most PCB drilling machines, CNC routers, engraving machines, mini drill presses, and rotary tools such as Proxxon, Dremel, and other compatible systems.

Key Features

• Premium solid tungsten carbide construction
• High precision micro drilling
• Excellent wear and heat resistance
• Sharp cutting edges for clean holes
• Suitable for high-speed CNC operation
• Universal 3.175mm (1/8″) shank
• Color-coded ring for quick size identification
• Low runout for accurate drilling
• Ideal for PCB manufacturing and electronics work
• Compatible with rotary tools and CNC engraving machines

Technical Specifications