Gear hones, gear honing, tools, gear hobbing machines, gear cutting and finishing equipment, gear inspection equipment, gear inspection services.

In late 2009, Nachi Machining Technology Company (formerly known as National Broach & Machine) announced that it was ceasing the manufacturer of all gear hone tools. Involute Gear and Machine Company purchased all equipment, machines, supplies, materials, gages, and engineering drawings for the manufacturing of all types of Red Ring Hone Tools and Honing Compounds. All items are now in our Macomb, Michigan facility and are fully operational. Involute now employs the same people that have been ma...

In late 2009, Nachi Machining Technology Company (formerly known as National Broach & Machine) announced that it was ceasing the manufacturer of all gear hone tools. Involute Gear and Machine Company purchased all equipment, machines, supplies, materials, gages, and engineering drawings for the manufacturing of all types of Red Ring Hone Tools and Honing Compounds. All items are now in our Macomb, Michigan facility and are fully operational. Involute now employs the same people that have been manufacturing and designing the gear industrys??? leading gear hones. Our manufacturing and design team has over 75 years of combined experience with gear honing tools.