Contact Tip Compatible with Brand Bernard Miller Series AccuLock S Compatible with Model 1770041 1770042 1770043 1770046 Compatible with Series BTB MDX-250 Tip Shape Standard Duty Rating Heavy Duty Maximum Wire Diameter 0.03 in For Wire Type Flux-Cored Solid Maximum Current 600 A Connection Type Threaded For Nozzle Series AccuLock S For Gas Diffuser Number D-A1 D-A2 D-ATSH D-ATTH DS-A1 DS-A2 Contact Tip Number T-A030CH Welding Processes MIG Welding (GMAW)