Grinding Spindles at moore tool Air Turbine Grinding Heads The standard air turbine grinding heads (for use on Moore Jig Grinders, are sold as stand alone item). • 9,000 RPM • 40,000 RPM • 55,000 RPM • 120,000 RPM • 175,000 RPM All models with the exception of the 9,000 RPM model can be upgraded with hybrid ceramic ball bearings. Electric Grinding Heads The standard electric grinding heads (for use on Moore Jig Grinders, not sold as a stand alone item). • 7,000 to 15,000 RPM • 10,000 to 40,000 RPM • 25,000 to 80,000 RPM • 10,000 to 60,000 RPM Automatic Tool Changer Spindle   Grinding Head Repair Services Moore Tool offers repair services for all Moore grinding heads, air turbine or electric. Moore Tool is uniquely qualified to repair our grinding heads since only Moore utilizes parts and assembly techniques that match the specifications for our new grinding heads. In addition, Moore is the only repair service that includes, when applicable, specially designed standard and hybrid bearings for improved grinding head performance and longevity. Emergency rush quotes and repairs are available - call, fax, or email Moore Tool for details. Many time we also have refurnished grinding spindles in stock for sale. We will purchased your used or damaged grinding spindle for a set price and can credit against the purchase of a new or refurnished spindle. A six-month warranty is provided (assuming normal use of the grinding head) when all recommended repair parts are replaced. To receive a repair quotation, ship the grinding head to: Moore Tool Grinding Head Repair 599 Hollister Avenue Bridgeport, CT 06607 (Please include your telephone number, fax number, or email address with the shipment. A quote will be provided within five working days.)