A market leader in combined drills & countersinks, KEO Cutters has been North America's premier manufacturer of high performance solid cutting tools for over 75 years and counting. KEO is a part of ARCH Global Precision's Cutting Tools Group, with a specific focus on CNC precision machining solutions for the aerospace, defense, medical and industrial marketplaces. KEO proudly manufactures all their corner rounding end mills, countersink sets, deburring tool sets and more out of their 40,000 square foot Warren, MI location.