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

Tapered-stub End-mills, PCB Traces-isolation Bits (EM2E8, EM3E8) - 1/8 in. (0.125 in. shank)

Engraving / Metal Cutting
  • Geometry - 2 3-flute, 15° taper, P-stub tip
  • Length - 1.42 in. (36mm) ±0.010 in
  • Tip angle - 15° +0.0°, -2.0°
  • Diameter Tolerance -± 0.0002" (0.005mm)
  • Shank dia. - 0.1250 in. (3.18 mm) +0.00, -0.0002 in.
  • Max runout (TIR) - < 0.0002 in.
  • Max. depth of cut - varies with tip diameter
  • Material - solid submicrograin carbide
  • Ring Set - 0.800 in. ± 0.004 in. (custom depth available)
  • Operating RPM - CNC certified operation 20k RPM to 100k RPM
Carbide 3-flute tapered stub end mills for engraving and PCB trace isolation and milling Carbide 3-flute tapered stub end mills for engraving and PCB trace isolation and milling
LPKF and T-Tech users must specify the make and model number of their CNC routers to insure that the rings are properly positioned!

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