Christy Commercial Hardware is Michigan's premier online store for commercial door hinges. Whether you are repairing or replacing the hinge on an exit door, bathroom door, or office door, we have the hinge parts you need. If you don't find the door hinge you are looking for, please give us a call. We have a huge selection of spring hinges, concealed electric hinges, ball bearing hinges (heavy weight and standard weight), half surface hinges, reinforcing pivot hinges and much more. Our commercial hinges and hinge sets are extremely durable, easy to install and come from national brands such as Strybuc and Jacknob.