Goodridge threaded adaptors. Whether it's a true AN or a metric adaptor, Goodridge provide the natural link from one thread to another. All Goodridge adaptors are manufactured to the highest possible specifications. Metric adaptors meet the ISO specification, other adaptors are manufactured to the correct AN specification where available. No company carries more thread applications. If you cannot see the Goodridge adaptor you require, please email email@example.com or phone 01249 782101 with your requirements.