2018-5-15 · F 0FA m (sin cos )[oz.] ... Iron 4.64 [oz/in3] Aluminum 1.65 [oz/in3] Bronze 5 [oz/in3] Nylon 0.65 [oz/in3] F-4 Tec hnical Reference Stepping Motors This section describes in detail the key concerns in the selection procedure, such as the determination of the motion