BRSCHNITT Core Drill Bit Arbor Adapter, 2pcs M10 Thread to 3/8" Hex Shank for Threaded Diamond Hole Saw

✔Size --2pcs M10 Thread to 3/8" Hexagon Shank, total length 53MM, shank length 28MM ✔Made of strong hardness Alloy steel metal, heat treatment, high strength, Surface Nickel plating,Twist Resistant Alloy to ensure long service life ✔Use your diamond core bits or diamond hole saw for grinder with standard drill by this M10 arbor shaft adapter ✔This arbor adapter will transform your M10 female arbor to a regular 3/8″ tri-angle (easy to grab) shank. You will be able to use your standard drill (electric or charged) ✔This M10 core bit adapter for Standard Drill Use For marble polishing kit, polishing wheel for drill, sanding drill bit , and sanding wheel for drill or polishing wheel for drill