step angle . It offers approximately 9.9 kg·cm of holding torque and is available in 6-lead unipolar or 4-lead bipolar configurations . Technical specifications, including the part number system, are available on the MinebeaMitsumi product site . 23KM-H(56 1.8°) | MinebeaMitsumi Product Site
Common choices include the TB6600 Stepper Driver or TB6560. 23km-c051-09v datasheet
Check the official NMB Technologies (MinebeaMitsumi) site under their "Hybrid Stepper Motor" section. step angle