50 Piece Tungsten Carbide Drill Bits Set Pro Grade For PCB And Metal Drilling, 0.9mm Hole Diameter, 3.175mm Shank, 38mm Length Center Drill Bits, CNC Kit Mini Drill Attachment For Precise PCB Routing And Small Metal Holes
UPC:
✔️ 50-piece set: 0.9 mm dia, 3.175 mm shank, 38 mm length
These tungsten carbide center drill bits are designed for precise starting holes on printed circuit boards and small metal work. They pair with CNC mini drill attachments for clean, accurate routing and hole punching in electronics projects.
✅ Hole diameter: 0.9 mm; Shank: 3.175 mm; Length: 38 mm
✅ Material: tungsten carbide for wear resistance and long life
✅ Type: center drill bit for PCB routing and tiny metal holes
✅ Pack size: 50 pieces, customized for PCB and metal drilling
💡 What is a center drill bit used for in PCB and metal work? Short answer: it creates a precise starting point and centers subsequent drilling.
Centering for PCB routing and tiny metal holes
Compatible with CNC mini drill attachments for precise starting holes
Tungsten carbide tips provide long wear and consistent results