D1137—115 pc. HSS Drill Bit Set in Steel Index


This drill set features 29 fractional bits ranging from 1/16" to 1/2", lettered bits from A to Z and 60 numbered bits. HSS bits are treated and finished with a black oxide coating. Housed in a rugged indexed steel case with easy-to-read markings.


  • 1/16" - 1/2"
  • A to Z
  • 1 - 60
  • High speed steel
  • Indexed metal storage box included