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

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2-flute Carbide Drill Bits (DC208) - 1/8 in. (0.125 in. shank)

  • Geometry - 2 flute, 1/8in. (3.18 mm) shank, drill point
  • Length - 1.5in. ±0.010 in.
  • Diameter - nominal +0.000 in., -0.0005 in.
  • Shank Diameter - 0.1248 in.
  • Total Included Tip Angle:
    • dia. ≤ 0.100 in. (2.54mm) - 135°
    • dia. > 0.101 in. (2.57mm) - 160°
  • Max. Runout (TIR) - ±0.0002 in.
  • Drill Depth - varies by diameter
  • Anticipated Life - anticipated life: 3,000 holes min. (FR4 epoxy glass)
  • Material - solid submicrograin carbide flutes / stainless steel shank
  • Ring Set - 0.800 in. ±0.002 in. (optional)
  • Operating RPM - CNC certified operation 20k RPM to 100k RPM
  • FEEDS & SPEEDS
Carbide 2-flute drill bits for PCB, phenolics, composites, plastic, non-ferrous metals and all woods and wood products

Drill size type

#62 (0.0380", 0.965mm) number drill bit, 0.400 in. max DOC..

$2.48

#61 (0.039")1/8 in. carbide number (wire) drill bit, 1.5 in. OAL, PCB, cuemaker, luthier, jeweller, clockmaker ***1.0mm METRIC EQUIVALENT..

$2.48

#60 (0.0400", 1.016mm) number drill bit, 0.400 in. max DOC..

$2.48

#60 (0.0400", 1.016mm) number drill bit, 0.625 in. max DOC (0.900" ring depth)..

$5.09
$7.28

#59 (0.0410", 1.041mm) number drill bit, 0.400 in. max DOC ***1.05mm METRIC EQUIVALENT..

$2.48

#58 (0.0420", 1.067mm) number drill bit, 0.400 in. max DOC..

$2.48

#57 (0.0430", 1.092mm) number drill bit, 0.400 in. max DOC ***1.10mm METRIC EQUIVALENT..

$2.48

#56 (0.0465", 1.181mm) number drill bit, 0.400 in. max DOC..

$2.48

#55 (0.0520", 1.321mm) number drill bit, 0.400 in. max DOC..

$2.48

#55 (0.0520") 1/8 in. shank carbide 0.40in. extended plunge drill bit, 0.620 in. max DOC..

$5.58
$7.98

#54 (0.0550", 1.397mm) number drill bit, 0.400 in. max DOC ***1.40mm METRIC EQUIVALENT..

$2.48

#53 (0.0595", 1.511mm) number drill bit, 0.400 in. max DOC..

$2.48

#52 (0.0635", 1.613mm) number drill bit, 0.400 in. max DOC..

$2.48

#51 (0.0670", 1.702mm) number drill bit, 0.400 in. max DOC ***1.70mm METRIC EQUIVALENT..

$2.48

#50 (0.0700", 1.778mm) number drill bit, 0.400 in. max DOC..

$2.48

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