uxcell 40mm Dry/Wet Hole Saws Diamond Core Drill Bit for Concrete Brick Block Stone Masonry Tile Glass

• Used for drilling soft brick, soft masonry, concrete block, rebar concrete, ceramic tiles, marble, engineering stone, vitrified tiles, etc.
• 40mm Diamond Core Drill Style Bit. Cut perfect circles. Can be used on an electric hand drill or another machine, such as an angle grinder, hex, or round plus shank.
• Made of diamond with precision drilling speed and long life use.
• Wet or Dry use.To prolong its using life, must be used with water for cooling and lubrication.
• Small incision resistance,feature drilling stably, fast speed, not breaking the border. Facilitates the entrance of cooling water and the escape of chips and other particles from drilling to aid in faster cutting and coring.

Description: 1. Designed for drilling soft brick, soft masonry, concrete block, rebar concrete and other hard material. 2. Cut perfect circles. Features thicker walls to minimize loss and improve durability. 3. Core drill bit with hard and sharp material to cut faster than previous hole saw. 4. Wide slots placed low on each hole saw and multiple leverage points to make it easy to work plugs out with a screwdriver. Specification: Product Name: Diamond Core Drill Bit Material: Diamond, Carbon Steel Hole Diameter: 40mm / 1.57" Drilling Depth: 57mm / 2.24" Shank Diameter: 10mm / 0.4" Total Length: 83mm / 3.27" Package Content: 1 x Diamond Core Drill Bit Please note: 1. Can be used with bench drill, hand electric drill. When you using hand electric drill, make a mark in 45 degree angle, after that you can drill in vertical. 2. Can be Wet or Dry use.To prolong its using life, must be used with water for cooling and lubrication.