Bourn & Koch provides precision automated machine tool solutions for the global manufacturing community. We specialize in gear manufacturing equipment and precision grinding machines with the ability to specially engineer custom solutions for some of the most challenging manufacturing applications. We support 28 American Machine Tool Companies with repair parts, field service, retrofit & rebuild. Over 2500 years of engineering expertise in our archives allows us to engineer custom solutions for today’s manufacturing market while keeping the machines that built American industry alive.
New Bourn & Koch Horizontal Gear Hobbers and new Fellows Gear Shapers. New & remanufactured machines available and in-stock.
New Blanchard Vertical Surface Grinders and Springfield Vertical ID/OD Grinders. New & remanufactured machines available and in-stock.
Repair Parts & Service
American-Made parts for American-Made machine tools. Bourn & Koch offers OEM repair parts, field service, rebuild, and retrofit for nearly 30 legendary machine tool brands.
Rebuild & Retrofit
Retrofit & Rebuild services for Bullard, Blanchard, DeVlieg, Fellows, and many more of our legacy machine tool brands. We offer full machine rebuild, CNC retrofit, magnetic chuck rebuild and numerous other services.
Recent News from Bourn & Koch
2018 Richard King Handscraping ClassAugust 25, 2017
Bourn & Koch will once again be hosting world-renowned expert Richard King to teach a class on the art of handscraping machine tools! This year marks our third class with Mr. King, who has taught hundreds of machine tool builders the art of handscraping. The class is a full week of education and hands on... Read more →
Bourn & Koch at Gear Expo 2017August 25, 2017
The world’s largest event focusing solely on the gear manufacturing industry is almost here! Gear Expo 2017 kicks off October 24th at the Columbus Convention Center in Columbus, Ohio. Bourn & Koch will be exhibiting in booth 407, showcasing two of our most popular machines – the 100H Gear Hobber and the Fellows 10-4! Both... Read more →
What is “Blanchard Grinding”?November 30, 2016
Blanchard grinding is a term which through common usage in the manufacturing industry has come to be recognized throughout the world as identifying the most efficient method of finishing flat surface on virtually any material. The finish is produced by utilizing a vertical grinding spindle with a cylindrical grinding wheel and, generally, a flat magnetic chuck to... Read more →