D3730—5 pc. Step Drill / Countersink Set

Description

This TiN coated set includes a metric and fractional inch step drill and a 5 flute 3/8", 1/2" and 3/4", 82° countersink. The step drills bore perfect holes in sheet metal from 4mm to 12mm and 3/16" to 7/8" without the need to change bits. Both step drills have quick release hex shanks and laser etched markings. See-thru wooden storage box included.

Specifications

  • Metric step drill: 4mm - 12mm
  • Fractional inch step drill: 3/16" - 7/8"
  • 3/8" 5 flute 82° countersink
  • 1/2" 5 flute 82° countersink
  • 3/4" 5 flute 82° countersink
  • Step drills have quick release shanks and laser etched markings.
  • Titanium nitride coated
  • See-thru wooden storage box included