K&Y - Precision diamond tools that produce the best surface finishes.

K&Y Diamond provides premium diamond tooling for use on ultra-precision machines to leading manufacturers of diamond turned optics and optical mold inserts.  Our comprehensive design, manufacturing and metrology capabilities enable us to produce diamond turning and milling tools, of virtually any configuration, with unmatched delivery and value.  With over a century of combined industry specific experience, the K&Y Diamond experts are your ultimate partners in precision.  Stop by to see how we can help improve your surface finish!