Niran Tools and Machinery offers Internal Grinding Electro spindles for High Speed Applications. Niran Tools and Machinery Supplies High quality Machine Tools for Engineering Industries, Band Sawing Machines, Tube Cut off Machines, Tube Bending Machines and of course - NTM is the leader in Bi-metal Band Saw Blades. The Internal Grinding Electro spindles for High Speed Applications HF motor and ceramic bearings can be used on traditional grinding machines or CNC. The Internal Grinding Electro Spindles are designed and developed for high speed applications.