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New Arrival-Extra Long Solid Carbide Micro Drill Bits

New Arrival-Extra Long Solid Carbide Micro Drill Bits

2025-11-12

Specification:

Material: Tungsten Carbide
Diameter Range: 0.2 – 2.0 mm
Total Length: 50 – 100 mm (customizable)
Shank Diameter: 3.0 mm or 4.0 mm
Tolerance: High precision (≤0.01 mm)

Feature:

Ultra-long flute design for deep hole drilling
Excellent rigidity and wear resistance
Sharp cutting edge ensures precise hole quality
Suitable for high-speed CNC machining

Advantage:

Stable performance with minimum runout
Longer tool life and higher machining efficiency
Capable of drilling small and deep holes accurately

Application:

Used for medical devices, precision molds, watch parts, and electronics
Ideal for deep hole drilling in stainless steel, titanium alloy, aluminum, and plastic