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

A (0.2340", 5.943mm) letter drill bit, 0.500 in. max DOC ***5.95mm METRIC EQUIVALENT..

$7.67
$10.96

B (0.2380", 6.044mm) letter drill bit, 0.500 in. max DOC..

$8.33
$11.91

C (0.2420", 6.146mm) letter drill bit, 0.500 in. max DOC..

$8.33
$11.91

D (0.2460", 6.248mm) letter drill bit, 0.500 in. max DOC ***6.25mm METRIC EQUIVALENT..

$11.91

F (0.2570", 6.527mm) letter drill bit, 0.500 in. max DOC..

$12.24
$17.49

J (0.2770", 7.035mm) letter drill bit, 0.500 in. max DOC..

$17.30
$24.72

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