Atlas Copco K257106,304-042 Air Nutrunner Drive

Atlas Copco K257106,304-042 Air Nutrunner Drive is a pneumatic nutrunner drive from Atlas Copco, designed to deliver controlled fastening in industrial assembly environments. Identified by the part numbers K257106 and 304-042, the unit is listed under catalog reference 482400ATXD6HA and bears the AE regional code. Its head configuration specifies a 3/4-inch square drive, a common footprint within Atlas Copco's pneumatic nutrunners. This model is referenced in distributor listings, such as York Controls, which list 482400ATXD6HA alongside K257106/304-042 as the identifying details for this unit. Atlas Copco's pneumatic nutrunners span the LTD family, offering options like fixed or floating square drives and remote-control capability, underscoring the broader versatility of this tool class.