This is the shortest bipolar Nema 17 stepper motor we have, it with step angle 1.8deg and size 42x42x20mm. It has 4 wires, each phase draws current 1.0A, with holding torque 16Ncm(22.66oz.in). Works great with various extrders.

Electrical Specification

Physical Specification

Connection

A+
A-
B+
B-
Black
Green
Red
Blue
 
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