SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch for Hard Stone Concrete Marble Granite Brick Laser Welded Dry or Wet Hole Saws 38mm

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About SHDIATOOL Diamond Core Drill Bits 1-1/2 Inch For

Product Name: Laser Welded Diamond Dry Drilling Core Bits Quantity: 1pc 38mm(1-1/2-Inch) Specification: Diameter: 38MM, Total length: 100MM The thread of this core drill bit is 5/8-Inch-11,Recommended Machine: angle grinder If you fit them on drill or other machine, you need an adapter, such as SDS, hex, Round plus shank... Application: Drilling hard granite marble concrete all mature stone Feature: 1. SUPREME Grade and Special bond matrix extends drilling life and improve the working efficiency 2. Laser welded technology avoid segments off when dry working 3. Turbo segments provide aggressive drilling speed (32mm & above) 4. Ideal for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities 5. Vacuum brazed side protection offers clean cut & steel core protection (inside and outside both, 20MM & above ) 6. Dry or Wet Drilling - use wet will greatly prolong the segment life =======THE END====== Available Diameter: 6mm-102mm(1/6 Inch to 4 Inch). Operation Tips for Laser Welded Diamond Dry core bits 1.Fix it on angle grinder tightly and rightly 2.Turn on the angle grinder and let the core bits rotating in the air to check if there is balance problem. 3.Hold the machine very steadily and give gentle pressure 4. Start drilling as per following instructions: 1) place the drill at a 30 degree angle, it will help to position 2) Drilling the material till the hole start to form 3) Bring the drill up into upright position slowly then keep drilling vertically. 5. Do not give too much pressure or sway the core bits when working If find hard to drill, take a break and check the segments. If the segment become blunt, please try to sharp it by drilling a hole on the abrasive concrete and then continue to drill the hard material.