Description
Carbide PCB Drill Bit Set – 4.1-5.0mm Tungsten Carbide 10pcs for CNC Circuit Board Drilling
Drill clean holes with this Carbide PCB Drill Bit Set. Made from tungsten carbide, these drill bits deliver sharp, precise holes for PCB fabrication and CNC drilling. The 10-piece set covers sizes from 4.1mm to 5.0mm, giving you a range of options for common PCB hole diameters.
The Carbide PCB Drill Bit features sharp cutting edges that produce clean holes with minimal burrs on FR4 and other PCB material Tungsten carbide offers excellent wear resistance, so each bit keeps its edge through repeated use. The standard shank fits common CNC collets, making it easy to integrate into your existing setup. Each bit is precision-ground for consistent diameter and concentricity, ensuring accurate hole placement.
Ideal for CNC routers, PCB prototyping, and electronics manufacturing, this Carbide PCB Drill Bit works with standard collets. The 4.1-5.0mm range covers common component lead sizes and via diameters, making this set practical for a wide range of circuit board projects. Whether you’re making circuit boards or drilling small parts, this set delivers reliable performance. The compact storage case keeps your bits organized and protected between jobs.
Key specs:
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Type: Carbide PCB Drill Bit Set
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Material: Tungsten Carbide
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Size Range: 4.1-5.0mm
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Quantity: 10pcs/lot
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Application: PCB Drilling, CNC, Circuit Board
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Compatibility: Standard collets
Whether you’re drilling PCBs or small parts, this Carbide PCB Drill Bit gives you sharp, reliable cutting for your electronics projects.














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