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

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

#36 (0.1065", 2.705mm) number drill bit, 0.400 in. max DOC ***2.70mm METRIC EQUIVALENT..

$2.76

7/64" (0.1094", 2.778mm) fractional drill bit, 0.400 in. max DOC..

$2.76

#35 (0.1100", 2.794mm) number drill bit, 0.400 in. max DOC ***2.80mm METRIC EQUIVALENT..

$1.93
$2.76

#34 (0.1110", 2.819mm) number drill bit, 0.400 in. max DOC..

$1.93
$2.76

#33 (0.1130", 2.870mm) number drill bit, 0.400 in. max DOC..

$1.93
$2.76

#32 (0.1160", 2.946mm) number drill bit, 0.400 in. max DOC..

$1.93
$2.76

#31 (0.1200", 3.048mm) number drill bit, 0.400 in. max DOC ***3.05mm METRIC EQUIVALENT..

$2.76

1/8" (0.1250", 3.175mm) fractional drill bit, 0.400 in. max DOC..

$2.76

#30 (0.1285", 3.263mm) number drill bit, 0.500 in. max DOC..

$4.28
$5.25

#28 (0.1405", 3.568mm) number drill bit, 0.500 in. max DOC ***9/64 FRACTIONAL EQUIVALENT..

$4.28
$5.25

#27 (0.1440", 3.657mm) number drill bit, 0.500 in. max DOC..

$4.46
$6.38

#26 (0.1470", 3.733mm) number drill bit, 0.500 in. max DOC..

$5.03
$7.19

#25 (0.1495", 3.797mm) number drill bit, 0.500 in. max DOC*** SHIPS AS 3.80mm METRIC EQUIVALENT..

$4.46
$6.38

#24 (0.1520", 3.860mm) number drill bit, 0.500 in. max DOC..

$4.46
$6.38

#23 (0.1540", 3.911mm) number drill bit, 0.500 in. max DOC..

$4.46
$6.38

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