APEXX Brazed Tile Core Bits w/ Hex Shank

Built with sophisticated vacuum brazing technology;  Smooth and fast drilling on Marble & Porcelain Tiles; Last longer than electroplated core bits; Hex-shank fits all electric hand drills; Recommended to use with cooling water for long tool life; Material: Marble, Porcelain, UltraCompact Surfaces; Dry or Wet use.  ITEM # DIAMETER & STYLE DRILLING DEPTH ATTACHMENT MAX. RPM 22229-05001 3/16" APEXX Brazed Core Bit (Hex Shank) 2" Hex Shank 3,500 22229-05002 1/4" APEXX Brazed Core Bit (Hex Shank) 2" Hex Shank 3,500 22229-05003 5/16" APEXX Brazed Core Bit (Hex Shank) 2" Hex Shank 3,500 22229-05004 3/8" APEXX Brazed Core Bit (Hex Shank) 2" Hex Shank 3,500 22229-05005 1/2" APEXX Brazed Core Bit (Hex Shank) 2" Hex Shank 3,500