GCH Tool Group is a leading global supplier with more than 25 years of manufacturing experience providing new spare parts and component assemblies for centerless grinders, ID grinders, OD grinders, surface grinders and double disc grinders. Our commitment to stock more than 10,000 new grinder parts and components in Warren, Michigan, sets us apart from any other supplier. Our off-the-shelf exchange program assures that your actual downtime will be minimal.