Global Superabrasives

Global Superabrasives (GSA) is an ISO-registered U.S. manufacturer specializing in diamond and CBN electroplated grinding wheels, cutting tools, and precision superabrasive solutions. From prototype to production, our team delivers high-performance tooling for industries that demand accuracy and reliability — including optics, aerospace, semiconductor, medical/orthopedic, automotive, and advanced ceramics. At GSA, every tool is manufactured and plated in-house at our Tempe, Arizona facility. Our quick-turn capabilities, custom design support, and re-plate services give customers the flexibility and speed they need without compromising quality. We take pride in our Made in the USA commitment, offering domestic manufacturing, responsive communication, and a partner you can trust to deliver precision on time. GSA continues to grow through innovation, collaboration, and craftsmanship — helping our customers shape the materials that shape the future.