| Brand | Criterion |
|---|
Check the listing for details. Criterion Automatic Boring and Facing Head F-250-250. Condition: Used. Listed at 660.00 USD. Criterion identifies this head as Series F, manufactured in the USA, consistent with their FC-34 and FC-44 series application range and the 3F-HB automatic boring and facing head family. The head body features a bronze-colored facing ring and a hardened steel body with a machined dovetail for the tool slide.