When you want the best bronze for machining, you pick from these grades: C932 (SAE 660), C954, C260, C510, 642, C630, and C863. These bronze types are good because they are easy to machine, strong, and last a long time. C932, C954, and C510 are used a lot in cnc machining for bearings, pumps, and electrical connectors. Each bronze grade has special features, so you can choose the right one for your job.