With different diamond segment formulas, concrete grinding discs can be used for grinding various materials like concrete, granite, and marble. When grinding hard materials, the abrasive disc needs a soft bond. While for soft materials, it needs a hard bond. Sunny Superhard Tools provides you with an excellent metal bond to fit your materials. A wide range of diamond grits for coarse grinding, medium grinding, and fine grinding. With a design of 3 pins, this 240mm klindex concrete grinding disc is designed to be used on corresponding Klindex floor grinders(Expander series, Levighetor series, Hercules series and Rotoklin series). The Turbo layout of the diamond segments enhanced the grinding performance. "Quality is our culture" - Sunny Superhard Tools provides our customers with our best quality of 240mm klindex rings. 240mm concrete grinding disc for Klindex grinders. Turbo layout of diamond segments provides extra sharpness. Outstanding segment formula brings high performance. Different great bonds for different hardness of materials. A wide range of diamond grit for coarse grinding, medium grinding and fine grinding. OEM/ODM service is available. This 240mm klindex grinding ring can suit the following Klindex floor grinder models: Klindex floor grinder models Disc Nos. per machine Klindex floor grinder models Disc Nos. per machine EXPANDER 1000 AT-RX-SX 6 HERCULES 800 Propane  4H 4 EXPANDER 999 SX-RX-AT 6 HERCULES 800 VS 4 Expander 850 Propane 3 HERCULES 800 BIMAX 4 EXPANDER 850 AT-RX-SX 3 HERCULES 650 Propano 3 EXPANDER 850 3 HERCULES 650 VS 3 Expander750 Propane 3 HERCULES 650 VS Usa 3 EXPANDER 750 AT-RX-SX 3 HERCULES 601 3 EXPANDER 750 3 HERCULES 601VS 3 EXPANDER 650 AT-RX-SX 3 HERCULES 601 T5 VS 3 EXPANDER 650 3 HERCULES 601 Usa 3 EXPANDER 580 T5 3 Rotoklin 240 1 EXPANDER 580 T7 3 Rotoklin 240 VS 1 EXPANDER 530 Propane 3 Rotoklin 240 Usa 1 LEVIGHETOR MAX VS 3 Rotoklin 240 VS Usa 1 LEVIGHETOR MAX VSUsa 3     LEVIGHETOR MAX 3     LEVIGHETOR MAX Basic 3     Optional Specifications Optional Diamond Grit 6#, 16#, 36#, 60#, 80#, 120#, 180#, 220# Optional Metal Bond extremely soft, very soft, soft, medium soft, hard, and very hard Optional Painting Color High light or Matt, common colors are: orange, yellow, red, black, purple and blue Other services OEM/ODM service is available, such as logo engraving(free), painting color(free), and etc.