Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides
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Carbide 3-flute End-mills (MM3I8) - 1/8 in. (0.125" shank)

Wood / Plastic - Standard Length End-mills
  • Geometry - 3 flute, 1/8 in. (3.18 mm) shank, fish tail point
  • Length - 1.5 in. ±0.010 in.
  • Diameter tolerances:
    • 0.1250 in.: +0.0000 in., -0.0010 in.
    • 0.0010 in to 0.1240 in.: ±0.0005 in.
  • Shank dia. - 0.1248 in. (3.18 mm) +0.0000, -0.0002 in.
  • Helix angle - 28°
  • Max runout (TIR) - < 0.0005 in.
  • Max. depth of cut - EFL varies by diameter ±0.005 in.
  • Anticipated Life - 8,000 linear inches (maple, 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 3-flute end mills for maching hardwoods, composites and reconstituted minerals 3-flute Tip

0.0560 in. (1.422 mm) UltraBIT 3-flute Soft Media End-mill, 0.25 in. max DOC, 1.5 in. OAL..

$12.23

1/16 in. (0.0625 in., 1.59 mm) UltraBIT 3-flute Soft Media End-mill, 0.31 in. max DOC, 1.5 in. OAL..

$12.92

1/16 in. (0.0625 in., 1.59 mm) ZrN coated UltraBIT 3-flute Soft Media End-mill, 0.31 in. max DOC, 1.5 in. OAL..

$16.22

1/8 in. (0.1250 in., 3.175 mm) UltraBIT 3-flute Soft Media End-mill, 0.50 in. max DOC, 1.5 in. OAL..

$13.79

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