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Alpha Electroplated Core Bit 1 3/8" Diameter 3/8" Shank

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Product Overview

Alpha® introduces the Electroplated Wet Diamond Drill Bits 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. They are available in 3/16”, 1/4”, 5/16”, 3/8”, 1/2”, 1-3/8” and 1-1/2” sizes and are ideal for drilling holes for anchors for bathroom fixtures, faucet and plumbing pipes. Electroplated drill bits are a must–have for the tile installer’s tool box.


  • 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
  • Available in 3/16”, 1/4”, 5/16”, 3/8”, 1/2”, 1-3/8” and 1-1/2” Sizes
  • A Must–Have for The Tile Installer’s Tool Box
  • Wet Use Only

Features & Specifications

Wet/Dry Use Wet
Arbor/Bore 3/8" Shank
Style Electroplated
Diameter 1 3/8"
Tool Type Electroplated