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

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

Order over US$50 and get $5 off shipping!
Depth setting ring
Item # Description Unit Price Depth Ring Enter Qty.
MM3I8-0156-006F  1/64 in. (0.0156 in., 0.406 mm) UltraBIT 3-flute Soft Media End-mill, 0.06 in. max DOC, 1.5 in. OAL   $19.84   
MM3I8-0200-009F  0.0200 in. (0.508 mm) Ultrabit 3-flute Fret-wire kerf cutter, 0.09 in. max DOC, 1.5 in. OAL   $19.84   
MM3I8-0220-009F  0.022 in. (0.559 mm) dia. Ultrabit 3-flute Fret-wire kerf cutter, 0.090 in. max DOC, 1.5 in. OAL   $19.84   
MM3I8-0220-009FC  0.022 in. (0.559 mm) dia. ZrN coated Ultrabit 3-flute Fret-wire kerf cutter, 0.090 in. max DOC, 1.5 in. OAL   $23.69   
MM3I8-0220-026FN  0.022 in. (0.559 mm) dia. Ultrabit 3-flute end-mill, 0.090 in. EFL, necked 0.0190 in. dia. to 0.260 in. reach, 1.5 in. OAL   $25.70   
MM3I8-0230-009F  0.0230 in. (0.584 mm) dia. Ultrabit 3-flute Fret-wire kerf cutter, 0.090 in. max DOC, 1.5 in. OAL   $19.84   
MM3I8-0230-009FC  0.0230 in. (0.584 mm) dia. ZrN coated Ultrabit 3-flute Fret-wire kerf cutter, 0.090 in. max DOC, 1.5 in. OAL   $23.69   
MM3I8-0250-010F  0.0250 in. (0.635 mm) UltraBIT 3-flute Fret-wire kerf cutter, 0.10 in. max DOC, 1.5 in. OAL   $19.84   
MM3I8-0250-013F  0.0250 in. (0.635 mm) UltraBIT 3-flute Fret-wire kerf cutter, 0.125 in. max DOC, 1.5 in. OAL   $19.84   
MM3I8-0313-010F  1/32 in. (0.0313 in., 0.787 mm) UltraBIT 3-flute Soft Media End-mill, 0.10 in. max DOC, 1.5 in. OAL   $12.23   
MM3I8-0313-014F  1/32 in. (0.0313 in., 0.787 mm) UltraBIT 3-flute Soft Media End-mill, 0.14 in. max DOC, 1.5 in. OAL   $12.23   
MM3I8-0313-017F  1/32 in. (0.0313 in., 0.787 mm) UltraBIT 3-flute Soft Media End-mill, 0.17 in. max DOC, 1.5 in. OAL   $12.92   
MM3I8-0370-017F  0.0370in (0.940mm) UltraBIT 3-flute Soft Media End-mill, 0.170 in. max DOC, 1.5 in. OAL   $11.22   
MM3I8-0380-017F  0.0380in (0.965mm) UltraBIT 3-flute Soft Media End-mill, 0.170 in. max DOC, 1.5 in. OAL   $11.22    Sale Price: $9.39   
MM3I8-0469-020F  3/64 in. (0.0469 in., 1.194 mm) UltraBIT 3-flute Soft Media End-mill, 0.20 in. max DOC, 1.5 in. OAL   $12.23   
MM3I8-0500-025F  0.0500 in. (1.27 mm) UltraBIT 3-flute Soft Media End-mill, 0.25 in. DOC, 1.5 in. OAL   $12.23    Sale Price: $8.89   
MM3I8-0560-025F  0.0560 in. (1.422 mm) UltraBIT 3-flute Soft Media End-mill, 0.25 in. max DOC, 1.5 in. OAL   $12.23   
MM3I8-0625-031F  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   
MM3I8-0625-031FC  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   
MM3I8-1250-050F  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   
MM3I8-1250-050FC  1/8 in. (0.1250 in., 3.175 mm) dia. ZrN coated UltraBIT 3-flute Soft Media End-mill, 0.50 in. max DOC, 1.5 in. OAL   $17.09   
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