Included with the 7″ grinder are (2) U.S.SAWS 7″ 12 Segment Turbo Diamond Segment Grinding Wheels that feature a specific length threaded hub so the cup wheel sits in the shroud at the correct height. Use of smaller diamonds >40 grit size can remove epoxy but may not properly rough up the concrete. For heavier duty, thicker systems such as moisture vapor barrier epoxies and heavier duty warehouse coating epoxy systems, suggest a diamond cup wheel with larger diamonds, less than 30 grit size such as the 16/20 grit diamond wheels. For a traditional 100% solids epoxy or equivalent coating system for a garage or basement floor, a diamond cup wheel with 30/40 grit diamonds is recommended. To achieve this rate of speed make sure you are using a Diamond Cup Wheel. For use with open arbor grinding wheels will need to order the following Cup Wheel Mounting Nuts, SX50502 and SX50503.Ī 7″ grinder with the proper diamond wheel will remove existing epoxy and other coatings and rough up the floor at the rate of about 100 square feet per hour. The 7″ W24-230 Metabo grinder comes equipped to work with most threaded grinding wheels. A support flange allows the shroud to flex and keep a tight seal over uneven surfaces while preventing the cup wheel from making contact with the dust shroud. The convertible shroud allows the operator to grind against a vertical surface. With the dust shroud, the concrete dust is extracted so that the operator may work without exposure to harmful dust. The 7″ Grinder kit comes with the US Saws G2 Convertible Shroud, designed to be the most durable and user-friendly dust shroud on the market. Please see Metabo’s warranty for details. The grinder is covered for three years under Metabo’s factory warranty. This setup comes with the U.S.SAWS Generation 2 dust shroud that can be hooked up to a variety of dust collection systems for dust containment, a Metabo W24-230 Grinder, Comfort Grip Loop Handle and (2) 7” 12 Segment threaded arbor Turbo Cup Wheels. Production capacity of the 7″ grinder is rated as much as 150 to 200 sq’/hour with actual preparation and removal speed depending on conditions. The 7” Grinder is designed to grind edges, tight areas, underneath fixtures or other areas where a larger floor grinder or shotblaster will not reach. Hand-held units are great for smaller jobs or in combination with walk-behind grinders on larger projects This heavy duty 15 amp 6,600 rpm 120V grinder is considered a “must have” for any industrial flooring contractor that applies floor coatings and needs to prepare the concrete or needs to remove old coatings, carpet glue and rough up the concrete or grind down high spots. The 7” Metabo W24-230 Grinder-vac is a hand held concrete surface grinder that is designed to prepare concrete surfaces prior to application of epoxy, polyaspartic and urethane coatings and collect the dust at the same time while hooked up to a vacuum (vacuum attachment sold separately).
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