Borrow HSS drill bit set IMPERIAL (ETL1894)

All items from Edinburgh Tool Library

10 piece imperial set for metal. General purpose, for drilling holes in steel, iron, alloys, most metals, laminates, plastics. Diameters range from 0.156 inch to 0.5 inch

Contents:

  • 1/2" (.500)
  • 15/32" (.469)
  • 7/16" (.437)
  • 13/32" (.406)
  • 3/8" (.375)
  • 11/32" (.344)
  • 5/16" (.312) [missing]
  • 9/32" (.281) [missing]
  • 1/4" (.250)
  • 7/32" (.219)
  • 3/16" (.187)
  • 5/32" (.156)
  • 1/8" (.125) [missing]
  • 3/32" (.094) [missing]
  • 1/16" (.062) [missing]

Please let a volunteer know if any bits are missing or become unusable so we can replace them.


HSS drill bit set IMPERIAL (ETL1894)

Updated: 12 Nov 2025