Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides

PreciseBIT 2-flute, Micro-engraving, PCB Traces Isolation Bits (EM2E8) - (0.125" shank)

Engraving / Metal Cutting
  • Geometry - 2-flute, "V" point
  • Tip diameter - 0.0050 in. ±0.0002 in.
  • Length - indicated ±0.010 in. (30° 1.50 in. ±0.010 in.)
  • Tip angle - nominal ± 0.5°
  • Max. depth of cut - DOC (penetration) varies by tip angle
    • 30° - 0.177 in. (4.5mm)
    • 45° - 0.075 in. (1.9mm)
    • 60° - 0.054 in. (1.4mm)
    • 90° - 0.031 in. (0.8mm)
  • Max runout (TIR) - < 0.0005 in.
  • Shank dia. - 0.1250 in. (3.18 mm) +0.00, -0.0002 in.
  • Anticipated Life - 3,000 linear inches (fiberglass, CNC milling)
  • Material - solid submicrograin carbide
  • Ring Set - 0.800 in. ± 0.002 in. (optional)
  • Operating RPM - CNC certified operation 20k RPM to 100k RPM
Carbide 2-flute V-tip FR4, G10 and carbon fiber, engraving, scoring and beveling micro tools

30° tip

2-flute V-tip micro engraving, carving and PCB trace isolation, mechanical milling micro tools

ZrN Coated 60° tip

LPKF and T-Tech users must specify the make and model number of their CNC routers to insure that the rings are properly positioned!

30° V-tip designed for scrimshaw engraving in ivory, horn, phenolics, and all hardwoods. Not optimized for metal engraving, or PCB trace isolation


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