APEXX Brazed Diamond Countersink Core Bits

Built with advanced vacuum brazing technology; Tapered diamond rim for countersink hole preparation; 5/8"-11 female thread; Material: Porcelain Tile, Ultra Compact Surfaces, Marble, Engineered Stones, Granite, Natural Quartzite; Dry or Wet use. ITEM # CORE BIT DIAMETER TAPERED RIM DIAMETER MAX. RPM 22229-07001 1-1/2" 2-3/8" 4,000 22229-07002 1-3/4"  2-9/16" 4,000 22229-07003 2" 2-3/4" 4,000 22229-07004 3-1/2" 4-7/16" 3,500 22229-07005 1-3/8" 2” 4,000