NEMA 17 Stepper Motor

• Holding torque up to 100 Oz-in (0.7 Nm)
• 0.9 degree Step angle +- 5%
• Operating temperature: -20°C ~ 50°C
• Bipolar 4 or 8 wires & Unipolar 6 wires
• Optional: encoder feedback, planetary gearbox, linear stepper, IP65, double shaft, custom shaft and mounting flange.

 

NEMA 17 hybrid stepper motors are probably the most popular members in the stepper motor world. They are widely used in 3D printers and small CNC mills. NEMA 17 frame defines a 1.7 x 1.7 inch (42.3 x 42.3 mm) faceplate dimensions for mounting the motor. GEMS supply two NEMA 17 product lines including 0.9 degree and 1.8 degree step angles versions. GEMS also offer different custom shaft types for customers to choose from, such as round shaft with flattened side, geared shaft which integrate with gearboxes, and lead-screw shaft which is used to make linear actuators.
39HS and 39HSM series stepper motors have the same mounting holes as NEMA 17 with a slightly smaller faceplate 1.6 x 1.6 inch (39 x 39 mm). They are often referred as NEMA 16 stepper motor.

We stock some best-selling models of NEMA 17 Stepper motors (the ones with the pricing info). Please send the quantity and the shipping address to info@gemsmotor.com, and we’ll respond with the shipping cost and a payment link. We accept credit cards, Paypal, wire transfers and Bitcoins.

NEMA 17, 1.8° 42mm Stepper Motor

Dual shaft and 6/8 wires configurations are available upon request

Model	Holding Torque	Holding Torque	Phase Resistance	Phase Current	Phase Inductance	Rotor Inertia	# of Lead Wires	Weight	Length L
	Oz-in	N.m	Ohm	A	mH	g-cm2		g	mm
GM42HS20-0804	14.2	0.1	3.8	0.8	4.5	24	4	120	20
GM42HS28-0604	17	0.12	8	0.6	10	30	4	150	28
GM42HS34-1304	40	0.28	2.4	1.3	2.8	34	4	220	34
GM42HS34-0406	30	0.21	30	0.4	18	34	6	220	34
GM42HS40-1304	57	0.4	2.5	1.3	5	54	4	280	40
GM42HS40-1704	57	0.4	1.5	1.7	2.8	54	4	280	40
GM42HS48-1304	74	0.52	3.2	1.3	5.5	68	4	350	48
GM42HS48-1704	74	0.52	1.8	1.7	3.2	68	4	350	48
GM42HS60-1504	100	0.7	2.3	1.5	4.6	80	4	480	60
GM42HS60-2304	100	0.7	1.4	2.3	2.5	80	4	480	60

NEMA 17, 0.9° 42mm Stepper Motor

Dual shaft and 6/8 wires configurations are available upon request

Model	Holding Torque	Holding Torque	Phase Resistance	Phase Current	Phase Inductance	Rotor Inertia	# of Lead Wires	Weight	Length L
	Oz-in	N.m	Ohm	A	mH	g-cm2		g	mm
GM42HSM34-1304	34	0.24	2.4	1.3	3.6	34	4	220	34
GM42HSM34-0406	28.3	0.2	30	0.4	22	34	6	220	34
GM42HSM40-1304	51	0.36	2.5	1.3	6.2	54	4	280	40
GM42HSM40-1206	37	0.26	3.2	1.2	3.8	54	6	280	40
GM42HSM48-1704	60	0.42	1.8	1.4	4	68	4	350	48
GM42HSM48-2304	60	0.42	1.2	2.3	2	68	4	350	48

NEMA 17  Dimensions (mm)
*Shaft Diameter – standard 5mm, optional 4mm,6mm,8mm; Single or Dual shaft

NEMA 16, 0.9° 39mm Stepper Motor

Model	Holding Torque	Holding Torque	Phase Resistance	Phase Current	Phase Inductance	Rotor Inertia	# of Lead Wires	Weight	Length L
	Oz-in	N.m	Ohm	A	mH	g-cm2		g	mm
GM39HSM20-0424	11.3	0.08	20	0.42	16	15	4	100	20
GM39HSM26-0604	20	0.14	9	0.6	16	18	4	120	26
GM39HSM34-0604	22.7	0.16	9	0.6	15	23	4	160	34
GM39HSM34-1204	22.7	0.16	2.5	1.2	3.6	23	4	160	34
GM39HSM40-0604	31.2	0.22	12	0.6	20	30	4	210	40
GM39HSM40-1204	31.2	0.22	3.2	1.2	5.5	30	4	210	40

NEMA 16, 1.8° 39mm Stepper Motor

Model	Holding Torque	Holding Torque	Phase Resistance	Phase Current	Phase Inductance	Rotor Inertia	# of Lead Wires	Weight	Length L
	Oz-in	N.m	Ohm	A	mH	g-cm2		g	mm
GM39HS20-0424	11.3	0.08	18	0.42	12	12	4	100	20
GM39HS26-0604	20	0.14	9	0.6	10	14	4	120	26
GM39HS34-1204	23	0.16	3.2	1.2	3	19	4	160	34
GM39HS34-0406	17.2	0.12	30	0.4	14	19	6	160	34
GM39HS40-0604	34.3	0.24	12	0.6	20	24	4	210	40
GM39HS40-1204	34.3	0.24	3.8	1.2	6.5	24	4	210	40

NEMA 16  Dimensions (mm)