IRWIN Unibit #4 Step Drill

  • Item#: 27992
  • MFR#: 10234SM
Unibit #4 Step Drill
  • 12 hole sizes
  • High speed steel fractional
  • Single-fluted cutting edge for greater control and rounder holes
  • Ideal for drilling holes in thin materials such as mild steel, copper, brass, aluminum, plexiglass, wood and laminates
  • 3-flatted shank won't slip in chuck
  • Speedpoint tip for fast starting
  • Laser marked sizes won't wear off with use
Diameters Of Holes Drilled 3/16-in to 7/8-in
Material High-speed steel
Number Of Hole Sizes 12.00
Set/Individual Individual
Shank Size 3/8-in
Shank Type Hex
Step Size 1/16-in