Vearter 10PCS/Set Vacuum Brazed Diamond Masonry Hole Saw Kit, 1/4''- 2'' Core Drill Bit for 5/8-11'' Thread Angle Grinder for Porcelain Tile Ceramic Marble Brick Concrete - MSLW-QHTZ-10PCS

• Package Includes ---- 8PCS Core Drill Bits(1/4''，5/16''，3/8''，1/2''，3/4''，1''，1-1/4''，2''), 4/5'' Finger Bits, 3/8'' Hex Adaptor，total 10 pieces/Box. Hole Saw Tools ---- Brazed diamond dry core drill bit set with 5/8"-11 thread, suitable for drilling tile, marble, granite, and stone. Finger Bits ---- Diamond finger milling bit can be used for Enlarging, Shaping, or Rounding beveled edges in porcelain, marble, granite, and hard ceramic holes. Vacuum Brazed Technology ---- High-quality diamond powder with strong steel body can bring excellent working performance, higher efficiency, more durable, with a longer lifespan. Wide Compatibility ---- Suitable for 3/8" hex adaptor, and dry or wet use both ok, they can be used with an electric drill.