Turning Grooving Milling Drilling CBN Grade Hardness T.R.S. Applica-(Hv)(GPa)tion Feature New BXA20 3300 ~ 3500 1.30 ~ 1.50 - Coated T-CBN for excellent performance in machining hardened steel BXM10 2700 ~ 2900 0.80 ~ 0.90 - Coated T-CBN for excellent performance in high-speed continuous cuttingof hardened steel BXM20 3500 ~ 3700 1.35 ~ 1.50 - Coated T-CBN for machining hardened steel in a wide range of applicationarea BXC50 3500 ~ 3700 1.15 ~ 1.30 - Coated T-CBN with high fracture resistance in continuous to interruptedcutting BX310 2700 ~ 2900 0.80 ~ 0.90 - High wear resistance- Designed for high-speed continuous cutting of hardened steel BX330 2800 ~ 3000 0.85 ~ 0.95 - Excellent sharpness- Designed for finishing hardened steel BX360 3200 ~ 3400 1.00 ~ 1.10 - Suitable for general machining of hardened steel BX380 3500 ~ 3700 1.15 ~ 1.30 - High fracture resistance- Designed for heavy interrupted cutting of hardened steel BX530 2800 ~ 3000 0.85 ~ 0.95 - Designed for finishing hardened steel with good surface quality BXC90 (BX90S) 3900 ~ 4100 1.80 ~ 1.90 - Coated T-CBN for high-speed machining of cast iron BX910 2600 ~ 2800 0.80 ~ 0.90 - Excellent wear resistance in high-speed machining- Designed for centrifugally cast iron BX930 3000 ~ 3200 0.95 ~ 1.20 Designed for ductile cast iron BX850 3300 ~ 3500 0.75 ~ 0.85 - High fracture resistance- Good performance in high-speed face milling BX870 3000 ~ 3200 0.95 ~ 1.20 - High wear resistance- Designed for centrifugally cast iron BX470 4100 ~ 4300 1.90 ~ 2.10 Sinteredmetal- Excellent sharpness- Suitable for ferrous sintered metal BX480 4100 ~ 4300 1.90 ~ 2.10 Sinteredmetal- Hardest T-CBN- Ideal for ferrous sintered metal - Suitable for high-speed face milling of cast iron M714B 3000 ~ 3200 1.00 ~ 1.10 - High wear resistance and thermo stability- Suitable for high-speed machining of Inconel A006 www.tungaloy.com