... nickel, chrome, titanium available. 4.Smooth cutting surface, high cutting speed.5. Cutting and grinding. 6.Usage: Suitable for cutting various hard Non-ferrous materials, ... , concrete,brick,chlorite,pyrophyllite,sandstons and sapphire etc. 7.If you have special requirement, we also can do ... own longer service life, reaching to the high level;7. Customized design is accepted. Your any requirement will ...