standard

Screw-Machine Length Drill Bits (Stub Length)

This page provides standardized, specification-oriented reference information.

Specifications

Specification Value
Definition Shorter-than-jobber length twist drill (stub/screw-machine length)
Benefit More rigid; reduced deflection and walking
Trade-off Less reach vs jobber length

Availability

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Sources

  • Industrial supply catalog definitions
  • General drilling best practices

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