1. HSS Step Drill 4-42mm
    BlueSpot Tools HSS Step Drill 4-42mm
    £16.09
  2. SHOCKWAVE™ HSS-Ground Titanium Metal Drill Bit Set, 10 Piece
    Milwaukee Power Tools SHOCKWAVE™ HSS-Ground Titanium Metal Drill Bit Set, 10 Piece
    £45.55