Profile: Knuth Hinge Co., Inc. is engaged in the production of hinge and latches. Our hinge line includes continuous hinges, butt, slip joint, knife, strap & t hinge and spring-loaded hinges. Our latches include cane bolts, single bolt and double bolt. We provide powder coating, anodizing and electro polishing services. We work with materials such as aluminum, steel, zinc plated steel and stainless steel. Our knife hinges are used on lightweight lids, such as briefcases.