Western Saw, Inc’s A-flange tubes are available in sizes from 7″ to 60″ diameter and lengths up to 120″. Thicknesses are available in .120″ and .134″. The A-flange top plate dimensions are .500″ thick plate with a 5.003″ +.003″/-.000″ center hole with four 3/8″-16 tapped holes on a 6.000″ bolt circle. Tubes are manufactured from custom proprietary steel composition. State-of-the-art tube production facility and process protocol enables concentricity. Additionally, custom tubes, adapters, and extensions in various sizes and types are available. Reverse engineering services are available. Small or long production runs are accepted with short lead times and on-time delivery.