For over fifty years, Keystone Electronics has been manufacturing precision electronic interconnect components and hardware.
Keystone’s offering has been created specifically for use by OEM Designers and Engineers who create and develop state-of-the-art electronic products, instruments and systems. While Keystone catalog products meet most standard requirements, modifications as well as custom fabrications can be manufactured to meet your special needs.
Keystone's Jack Screws are used as mounting screws for "D" subminiature connectors. They are equivalent to AMP, CANNON & TRW Jack Screws. Standard Jack Screws are available with a 4-40 Thread, in lengths of .250, .312 and .625 inches.