Think & Tinker, Ltd.
CNC router bits and carbide cutting tools with tutorials and technical guides
3-flute end-mill

Precision Carbide End-mills and Micro-Tools

3-flute tip
1-flute - 1/8" shank
  • Diameter:
    • 0.0196" - 0.1250"
    • (0.5mm - 3.18mm)
  • Cutting flute length:
    • 0.080" - 0.500"
    • (2.03mm - 12.70mm)
Product Page
micrO-flute
2-flute - 1/8" shank
  • Diameter:
    • 0.005" - 0.1250"
    • (0.13mm - 3.18mm)
  • Cutting flute length:
    • 0.022" - 0.625"
    • (0.56mm - 15.88mm)
Product Page
2-flute End-mill
3-flute - 1/8" shank
  • Diameter:
    • 0.0156" - 0.1250"
    • (0.41mm - 3.18mm)
  • Cutting flute length:
    • 0.060" - 0.500"
    • (1.52mm - 12.70mm)
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3-flute End-mill
3-flute - 3/16" shank
  • Diameter:
    • 0.1875"
    • (4.78mm)
  • Cutting flute length:
    • 1.000"
    • (25.40mm)
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3/16 in 3-flute long
2-flute - 1/4" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Cutting flute length:
    • 1.000" - 1.400"
    • (25.40mm - 35.56mm)
Product Page
1/4" 2-flute End-Mill
2-flute - 1/8" shank
  • Diameter:
    • 0.0600" - 0.1250"
    • (1.52mm - 3.18mm)
  • Cutting flute length:
    • 0.018" - 0.625"
    • (0.46mm - 15.88mm)
Product Page
Ball-nose End-mill
2-flute - 1/4" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Cutting flute length:
    • 1.400"
    • (35.56mm)
Product Page
Ball-nose End-mill
1-flute - 1/8" shank
  • Diameter:
    • 0.0625" - 0.1250"
    • (1.59mm - 3.18mm)
  • Cutting flute length:
    • 0.250" - 0.500"
    • (6.35mm - 12.70mm)
Product Page
Carbide micr-O 1-flute for softwoods and thermoplastics
2-flute - 1/8" shank
  • Diameter:
    • 0.0313" - 0.1250"
    • (0.80mm - 3.18mm)
  • Cutting flute length:
    • 0.125" - 0.500"
    • (3.18mm - 12.70mm)
Product Page
Carbide 2-flute endmills for laminates, balsa wood, soft plastic, plastic foam and delicate substrates
2-flute - 1/8" shank
  • Diameter:
    • 0.0200" - 0.1250"
    • (0.51mm - 6.35mm)
  • Cutting flute length:
    • 0.125" - 1.125"
    • (3.18mm - 28.58mm)
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2-flt deep
3-flute - 1/8" shank
  • Diameter:
    • 0.0156" - 0.1250"
    • (0.40mm - 3.18mm)
  • Cutting flute length:
    • 0.100" - 1.125"
    • (2.54mm - 28.58mm)
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3-flt deep
2-flute - 1/4" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Cutting flute length:
    • 1.000" - 1.400"
    • (25.40mm - 35.56mm)
Product Page
1/4" 2-flute End-Mill
2-flute - 1/8" shank
  • Diameter:
    • 0.1250"
    • (3.18mm)
  • Cutting flute length:
    • 1.125"
    • (28.58mm)
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2-flt ball deep
3-flute - 1/8" shank
  • Diameter:
    • 0.1225" - 0.1250"
    • (3.11mm - 3.18mm)
  • Cutting flute length:
    • 1.125"
    • (28.58mm)
Product Page
3-flt ball deep
4-flute - 1/4" shank
  • Diameter:
    • 0.0313" - 0.2500"
    • (0.79mm - 6.35mm)
  • Cutting flute length:
    • 1.000"
    • (25.40mm)
Product Page
Tapered carving tool
2-flute - 1/4" shank
  • Diameter:
    • 0.1250"
    • (3.18mm)
  • Cutting flute length:
    • 1.000"
    • (25.40mm)
Product Page
Carbide 2-flute tapered carving tool for softwoods, hardwoods, HDU and signfoam

Content 2

2-flute - 1/8" shank
  • Tip Diameter:
    • 0.0050"
    • (0.13mm)
  • Angle:
    • 30° - 90°
Product Page
Carbide 2-flute V-tip stub engraving tool for cutting precious metals, copper alloys and aluminum
2-flute - 1/8" shank
  • Tip Diameter:
    • 0.015"
    • (0.38mm)
  • Angle:
    • 30° - 90°
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Carbide V-tip
2-flute - 1/4" shank
  • Tip Diameter:
    • 0.0150"
    • (0.38mm)
  • Angle:
    • 30° - 90°
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60° V-tip
1-flute - 1/8" shank
  • Diameter:
    • 0.0196" - 0.1250"
    • (0.5mm - 3.18mm)
  • Cutting flute length:
    • 0.080" - 0.500"
    • (2.03mm - 12.70mm)
Product Page
micrO-flute
2-flute - 1/8" shank
  • Diameter:
    • 0.005" - 0.1250"
    • (0.13mm - 3.18mm)
  • Cutting flute length:
    • 0.022" - 0.625"
    • (0.56mm - 15.88mm)
Product Page
2-flute End-mill
2-flute - 1/4" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Cutting flute length:
    • 1.000" - 1.400"
    • (25.40mm - 35.56mm)
Product Page
1/4" 2-flute End-Mill
2-flute - 1/8" shank
  • Diameter:
    • 0.0600" - 0.1250"
    • (1.52mm - 3.18mm)
  • Cutting flute length:
    • 0.018" - 0.625"
    • (0.46mm - 15.88mm)
Product Page
Ball-nose End-mill
2-flute - 1/4" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Cutting flute length:
    • 1.400"
    • (35.56mm)
Product Page
Ball-nose End-mill
1-flute - 1/8" shank
  • Diameter:
    • 0.0625" - 0.1250"
    • (1.59mm - 3.18mm)
  • Cutting flute length:
    • 0.250" - 0.500"
    • (6.35mm - 12.70mm)
Product Page
Carbide micr-O 1-flute for softwoods and thermoplastics
2-flute - 1/8" shank
  • Diameter:
    • 0.0200" - 0.1250"
    • (0.51mm - 6.35mm)
  • Cutting flute length:
    • 0.125" - 1.125"
    • (3.18mm - 28.58mm)
Product Page
2-flt deep
2-flute - 1/4" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Cutting flute length:
    • 1.000" - 1.400"
    • (25.40mm - 35.56mm)
Product Page
1/4" 2-flute End-Mill
2-flute - 1/8" shank
  • Diameter:
    • 0.1250"
    • (3.18mm)
  • Cutting flute length:
    • 1.125"
    • (28.58mm)
Product Page
2-flt ball deep
4-flute - 1/4" shank
  • Diameter:
    • 0.0313" - 0.2500"
    • (0.79mm - 6.35mm)
  • Cutting flute length:
    • 1.000"
    • (25.40mm)
Product Page
Tapered carving tool
2-flute - 1/4" shank
  • Diameter:
    • 0.1250"
    • (3.18mm)
  • Cutting flute length:
    • 1.000"
    • (25.40mm)
Product Page
Carbide 2-flute tapered carving tool for softwoods, hardwoods, HDU and signfoam
2-flute - 1/8" shank
  • Tip Diameter:
    • 0.0050"
    • (0.13mm)
  • Angle:
    • 30° - 90°
Product Page
Carbide 2-flute V-tip stub engraving tool for cutting precious metals, copper alloys and aluminum
2-flute - 1/8" shank
  • Tip Diameter:
    • 0.015"
    • (0.38mm)
  • Angle:
    • 30° - 90°
Product Page
Carbide V-tip
2-flute - 1/4" shank
  • Tip Diameter:
    • 0.0150"
    • (0.38mm)
  • Angle:
    • 30° - 90°
Product Page
60° V-tip
2-flute - 1/8" shank
  • Diameter:
    • 0.0020" - 0.1250"
    • (0.05mm - 3.18mm)
  • Cutting flute length:
    • 0.003" - 0.240"
    • (0.08mm - 6.10mm)
Product Page
Carbide 2-flute stub end-mill for cutting precious metals, copper alloys and alluminum
4-flute - 1/8" shank
  • Diameter:
    • 0.0280" - 0.1250"
    • (0.71mm - 3.18mm)
  • Cutting flute length:
    • 0.084" - 0.250"
    • (2.13mm - 6.35mm)
Product Page
Carbide 4-flute stub end-mill for cutting copper alloys, mild steel and stainless steel
2-flute - 1/8" shank
  • Diameter:
    • 0.0050" - 0.1250"
    • (0.13mm - 3.18mm)
  • Cutting flute length:
    • 0.008" - 0.190"
    • (0.20mm - 4.83mm)
Product Page
Carbide 2-flute ball-nose stub end-mill for cutting precious metals, copper alloys and aluminum
4-flute - 1/8" shank
  • Diameter:
    • 0.1250"
    • (3.18mm)
  • Cutting flute length:
    • 0.190"
    • (4.83mm)
Product Page
Carbide 4-flute ball-nose stub end-mill for cutting copper alloys, steel and stainless steel

Content 2

4-flute - 1/4" shank
  • Diameter:
    • 0.0313" - 0.2500"
    • (0.79mm - 6.35mm)
  • Cutting flute length:
    • 1.000"
    • (25.40mm)
Product Page
Tapered carving tool

Content 2

2-flute - 1/8" shank
  • Tip Diameter:
    • 0.0050"
    • (0.13mm)
  • Angle:
    • 30° - 90°
Product Page
Carbide 2-flute V-tip stub engraving tool for cutting precious metals, copper alloys and aluminum
Tapered-stub - 1/8" shank
  • Diameter:
    • 0.0039" - 0.0250"
    • (0.10mm - 0.64mm)
  • Angle:
    • 15°
Product Page
Carbide 2 & 3-flute tapered-stub engraving tool for cutting precious metals, copper alloys and aluminum
3-flute - 1/8" shank
  • Diameter:
    • 0.0100" - 0.0625"
    • (0.25mm - 1.59mmmm)
  • Reach length:
    • 0.060" - 0.125"
    • (1.52mm - 3.18mm)
Product Page
Carbide 3-flute Reach End Mills for Cutting Mother of Pearl, Ablam, Pearlam and Hardwoods
2-flute - 1/8" shank
  • Diameter:
    • 0.0313"
    • (0.79mm)
  • Cutting flute length:
    • 0.145"
    • (3.68mm)
Product Page
Ivory Cutting End-mill
Chip-breaker - 1/8" shank
  • Diameter:
    • 0.0315" - 0.1250"
    • (0.80mm - 3.18mm)
  • Cutting flute length:
    • 0.197" - 0.470"
    • (5mm - 11.99mm)
Product Page
Carbide chip-breaker router bits for PCB contouring, PCB depaneling, carbon fiber contouring and composite cutting
Diamond-cut - 1/8" shank
  • Diameter:
    • 0.0197" - 0.1250"
    • (0.50mm - 3.18mm)
  • Cutting flute length:
    • 0.079" - 0.470"
    • (2.01mm - 11.99mm)
Product Page
Carbide diamond-cut router bits for PCB contouring, PCB depaneling, carbon fiber contouring and composite cutting
4-flute - 1/8" shank
  • Diameter:
    • 0.2500"
    • (6.35mm)
  • Angle:
    • 60° - 120°
Product Page
4-flute carbide countersink for all plastics
3-flute - 1/8" shank
  • Diameter:
    • 0.0295" - 0.0945"
    • (0.75mm - 2.40mm)
  • Cutting flute length:
    • 0.138" - 0.315"
    • (3.51mm - 8.00mm)
Product Page
3-flute, zero helix carbide router bits for phenolic, G10, FR4 & carbon fiber composite contouring and cutting