Electrical Specification: - Manufacturer Part Number: 17HD48002H-22B - Motor Type: Bipolar Stepper - Step Angle: 1.8 deg. - Holding Torque: 0.59N·m(84oz.in) - Rated Current/phase: 1.7A - Phase Resistance: 1.8ohms - Inductance: 3.8 mH ±20% (1KHz) Physical Specification: - Motor Body Length: 48mm - Motor Full Length: 70mm - Shaft Diameter: 5mm - Shaft Length: 20mm - D-cut Length: 15mm - Number of Leads: 4 - Lead Length: 1m with connector - Motor Weight: 380g - 17 Mounting Bracket - 90 degrees - Mounting Holes: 31mm center-to-center - Max Collar Diameter: 22mm Package included: 3 Pack Nema 17 Stepper Motor 3 Pack Nema 17 Mounting Bracket (Powder-coated steel) 12 Pcs 3*6mm M3 Screws

• Three stepper motors and three brackets in one kit for more saving;
• High torque motor for 3D printer and CNC; "D" shaft for easy and secure coupler connection.
• Precisely machined full metal body; High quality black powder paint.
• Three Pack of NEMA 17 Stepper Motor Brackets, ideal for many hobby and replacement applications.
• M3 Screws Included (12) Three Pack - NEMA 17 Mounting Bracket - 90 degrees.

Three stepper motors and three brackets in one kit for more saving;Longruner