Diamond Core Drill Bit,BRSCHNITT 2 1/2inch Laser Welded Diamond Hole Saw with 5/8-11 Thread for Granite Marble Solid Block Stone Reinforced Concrete&Adapter,Dry or Wet Drilling

Feature: 1. When you are building/remodeling a bathroom or kitchen like installing the faucet on counter top, you will need to drill holes through granite without cracking them, so you could use our diamond tip drill bit to make those holes very precise 2. For a better finish and longer duration of the diamond drill bit,you could start on a slight angle to get through the top finished surface, then with light pressure carefully work through the granite 3. Using this diamond drill bit in an angle grinder will like a hot knife through butter 4. The average life of the granite hole saw depends on several factors,including the type of aggregate and material, its thickness/hardness ,proper cooling and use 5. Package: Supplied in square plastic box(20-75mm),paper box(over 75mm) 6. This is the ideal granite hole cutter for rock, DIY ,ceramic workers, construction workers, general contractors and tradesmen 7. Quality Creates Better Life. All our products are subjected to strict quality tests. We want all the products can be recognized for their quality and durability

• ✔Size --2-1/2 inch core drill bit,diamond height 10mm, total length 100mm,diamond grit #25/35,working length 80mm,5/8-11 thread of the granite drill bit&1pc Adapter for 5/8-11 to SDS Plus Shank
• ✔Wide Application --Diamond drill bit are worked great for dry drilling holes through Granite Marble Hard Stone Reinforced Concrete Brick Block Counter Top,Using water could prolong the lifetime
• ✔Super Quality Raw Material --Using laser welded technology,improve the performance of segments,avoid segments off during drilling process.The vacuum brazing protective layer on the surface of the core steel offers clean cut & steel core protection
• ✔Fast and Smooth Drilling --Creates a fast and stable drilling, you could drill smoothly with no broken edges
• ✔Machine --angle grinder (Pay Attention! If you drill through thick granite ,we recommend you to add enough water to help cooling the bits,which could prolong the lifetime)