Alpha Tools Electroplated Drill Bits




Alpha Tools Electroplated Drill Bits are for drilling holes in tile and stone for pre-installation or post-installation placement. These bits work great on marble, granite, engineered stone, ceramic, porcelain and glass tile and panels. They can be used on a standard 3/8” or larger drill but also fit on water-fed polishers with 5/8”-11 spindles using the drill bit Adapter. Alpha Tools Electroplated Drill Bits are ideal for drilling holes for anchors for bathroom fixtures, faucet and plumbing pipes.



  • Designed for Drilling Holes in Tile and Stone for Pre-Installation or Post-Installation Placement
  • Works Great On Marble, Granite, Engineered Stone, Ceramic, Porcelain and Glass Tile and Panels
  • Can Be Used On A Standard 3/8” or Larger Drill
  • Can Fit On Water-Fed Polishers with 5/8”-11 Spindles Using The Drill Bit Adapter
  • Ideal for Drilling Holes for Anchors for Bathroom Fixtures, Faucet and Plumbing Pipes
  • Adapter available
  • Wet Use Only
  • Instructional How to Use video


  • 3/16”
  • 1/4”
  • 5/16”
  • 3/8”
  • 1/2”
  • 1-3/8”
  • 1-1/2”

Additional information


3/16", 1/4", 5/16", 3/8", 1/2", 1-3/8", 1-1/2", Adapter