Norseman 13-Piece Drill Bit Sets - Jobber Length - Heavy Duty



Sku: 24645

Drill Bit Set - Black Oxide NAS 907B

Type 190, Jobber Length, Heavy Duty

The 135° split-point makes this drill self-centering, plus it requires less thrust in drilling harder metal than general purpose drills. Their heavy-duty construction is manufactured to NAS 907 Type B aerospace specifications. Black oxide finish increases wear resistance and adds lubricity. Recommended for medium hardness drilling applications

  • 13-piece set sized from 1/16" to 1/4" by 64ths
  • Black oxide surface treatment
  • Precision ground for extra strength
  • Made in USA

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