For more than seventy years, Keystone Electronics has been manufacturing precision electronic components and hardware, supplying quality products at competitive prices to industry, worldwide. Our Product Design Guide M70 has products that are engineered specifically for use by OEM Designers and Engineers who create and develop state-of-the-art electronic products, instruments and systems. While our Dynamic Catalog of products meet most standard requirements, modifications as well as custom fabrications can be manufactured to meet your special needs. Design and engineering; precision tool and die capabilities; close tolerance Stamping, Machining, and Assembly; computer-based quality control and responsive customer service are all vital in-house resources which constitute our Custom Manufacturing Division's capabilities. Keystone's Quality System is ISO 9001:2015-certified by DNV - GL Certification, Inc. under the ANAB accreditations. Our quality assurance program is in accordance with these requirements and applies to all standard and custom interconnect components and hardware.