standard

M42 Cobalt Drill Bit Set (29-Piece)

This page provides standardized, specification-oriented reference information.

Specifications

Specification Value
Material M42 cobalt HSS (common for tougher metals)
Common Sizes 1/16" to 1/2" by 64ths (varies)
Notes Use lower RPM on stainless; keep bits cool

Availability

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Sources

  • Manufacturer set listings (typical)
  • Basic drilling guidance

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