NEMA 34 torque from 1.3Nm to 7.5Nm , has 62mm ,92mm,129mm length , the lead wire has 4,6,8. can work with DQ258M and DQ278M stepper motor specification and performanceModelStep angle(°)Motor Length L(mm)Rate Voltage VRate Current APhase Resistance ΩPhase lnductance mHHolding Torque N.mLead Wire No.Rotor lnertia g/cm2Detent Torque g.cmMotor Weight kg60BYGH801A18875.622.861.2565700.41. ...