Chicagolatrobe 550 Nas-Type Heavy-Duty Cobalt Straw Jobber-Length Drill Bit Set, 26-Pc, Letters A To Z, 0.2340 Inches To 0.4130 Inches Dia Cutting - 1 per ST - 69886

★★★★☆ 4.0 49 reviews

$271.59
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$271.59
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Product details

Management number 206261537 Release Date 2025/10/20 List Price $108.64 Model Number 206261537
Category
  • Manufactured to NAS 907 Type J geometry aerospace specifications. 1 per ST
  • Heavy-duty construction for drilling in tough. high-tensile. and work-hardening materials.
  • Manufactured from premium cobalt high-speed steel.
  • Straw finish adds lubricity and easily identifies cobalt drills.
  • 135° P3 split point is self-centering for reduced thrust and easier penetration.
  • Cutting Diam [Max]=0.4130 in.
  • Cutting Diam [Min]=0.2340 in.
  • Finish=Straw.
  • Includes=26-Pc Drill Bit Sizes Letters A to Z; (1) Metal Index Case.
  • Material=HSS-CO 8% (M42).
  • Measurement Type=Letter.
  • Point Angle=135° RHS/RHC.
  • Shank Type=Straight.
  • Manufactured to NAS 907 Type J geometry aerospace specifications.
  • Heavy-duty construction for drilling in tough. high-tensile. and work-hardening materials.
  • Manufactured from premium cobalt high-speed steel.
  • Straw finish adds lubricity and easily identifies cobalt drills.
  • 135° P3 split point is self-centering for reduced thrust and easier penetration.
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4 out of 5
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