HSS Metric Drills 1/16 5/64 3/32 7/64 1/8 9/64 5/32 11/64 3/16 13/64 7/32 15/64 1/4 17/64 9/32 9/64 5/16 21/64 11/32 23/64 3/8 25/64 13/32 27/64 7/16 23/64 15/32 31/64 1/2 HSS drill
NOTE: Drills supplied in Metal or Plastic boxes and may differ from image shown