The Bridgeport® Series I Standard Knee Mill is the most popular milling, drilling and boring machine in the market, with over 370,000 machines built over the past 70 years. It continues to fulfill the industry’s need for an accurate, reliable, and versatile mill. It features an innovative airflow cooling design that eliminates the need for external fans to prolong bearing life and prevent expansion from heat build-up. A full range of accessories are available, including optional chrome-plated ways and gibs, to ensure that the machine will last a lifetime. Hardinge® is the only authorized provider of Bridgeport knee mills, parts and service.