Stepper motor

ASPINA offers a wide range of hybrid (HB) stepper motors featuring high‑precision positioning and high torque performance. Our lineup includes various models with NEMA 17, 23 and other sizes. This allows you to select the optimal solution based on your application and system requirements. We can also provide control circuits and drivers to meet your specific needs.

HB stepper motors offer small, precise step angles and lead to better resolution in movement, making them suitable for a broad range of applications, including industrial equipment, medical devices, analytical instruments, automation systems, and office equipment.

Request quote or consultation now!

Product lineup

NEMA 17NEMA 23Other sizes

STA-42D series NEMA 17 stepper motors - 1.8°, bipolar, RoHS

Specifications

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Model
STA-42D0004
STA-42D0005
STA-42D0006
STA-42D0007
STA-42D1004
STA-42D1005
STA-42D1006
STA-42D1007
STA-42D2004
STA-42D2005
STA-42D2006
STA-42D2007
STA-42D3004
STA-42D3005
STA-42D3006
STA-42D3007
STA-42D4004
STA-42D4005
STA-42D4006
STA-42D4007
STA-42D5007
STA-42D5008
STA-42D5009
STA-42D5010

Model
Step angle
Deg.
Voltage
V
Current
A/φ
Resistance
Ω/φ
Inductance
mH/φ
Holding torque
mN·m
Rotor inertia
g·cm2
Mass
g
Length
mm

STA-42D0004
1.8
4.27
0.7
6.10
10.5
200
21
170
27.5
STA-42D0005
1.8
3.42
0.9
3.80
6.8
205
21
170
27.5
STA-42D0006
1.8
2.53
1.1
2.30
4.1
195
21
170
27.5
STA-42D0007
1.8
2.21
1.3
1.70
3.0
195
21
170
27.5
STA-42D1004
1.8
3.83
0.9
4.25
7.7
270
29
190
30
STA-42D1005
1.8
2.75
1.1
2.50
4.6
255
29
190
30
STA-42D1006
1.8
2.66
1.4
1.90
3.3
270
29
190
30
STA-42D1007
1.8
1.96
1.7
1.15
2.2
265
29
190
30
STA-42D2004
1.8
2.88
1.2
2.40
5.0
390
44
230
34
STA-42D2005
1.8
2.45
1.4
1.75
3.7
385
44
230
34
STA-42D2006
1.8
2.30
1.7
1.35
2.8
400
44
230
34
STA-42D2007
1.8
2.09
1.9
1.10
1.9
380
44
230
34
STA-42D3004
1.8
3.43
1.4
2.45
5.4
540
65
290
40
STA-42D3005
1.8
3.04
1.6
1.90
4.1
565
65
290
40
STA-42D3006
1.8
2.57
1.9
1.35
2.9
525
65
290
40
STA-42D3007
1.8
2.20
2.2
1.00
1.8
490
65
290
40
STA-42D4004
1.8
3.40
1.7
2.00
5.5
823
87
390
49.5
STA-42D4005
1.8
3.14
1.9
1.65
3.8
778
87
390
49.5
STA-42D4006
1.8
2.73
2.1
1.30
2.4
700
87
390
49.5
STA-42D4007
1.8
2.65
2.3
1.15
1.8
658
87
390
49.5
STA-42D5007
1.8
4.25
1.7
2.50
6.5
1,025
111
490
58
STA-42D5008
1.8
3.19
2.2
1.45
3.7
1,015
111
490
58
STA-42D5009
1.8
3.13
2.5
1.25
2.8
1,000
111
490
58
STA-42D5010
1.8
2.66
2.8
0.95
1.7
880
111
490
58

Also available: 6 leads, step angle 0.9 deg.

Dimension

42D outline

STA-56D series NEMA 23 stepper motors - 1.8°, bipolar, RoHS

Specifications

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Model
STA-56D1006
STA-56D1008
STA-56D1010
STA-56D3006
STA-56D3008
STA-56D3010
STA-56D5006
STA-56D5008
STA-56D5010

Model
Step angle
Deg.
Voltage
V
Current
A/φ
Resistance
Ω/Φ
Holding torque
mN·m
Rotor inertia
g·cm2
Mass
kg
Length
mm

STA-56D1006
1.8
1.1
4.2
0.25
770
125
0.42
38.5
STA-56D1008
1.8
1.4
2.8
0.49
780
125
0.42
38.5
STA-56D1010
1.8
2.9
1.4
2.10
770
125
0.42
38.5
STA-56D3006
1.8
1.4
4.2
0.33
1,280
225
0.57
48.0
STA-56D3008
1.8
1.8
2.8
0.63
1,300
225
0.57
48.0
STA-56D3010
1.8
3.9
1.4
2.75
1,280
225
0.57
48.0
STA-56D5006
1.8
2.3
4.2
0.55
2,520
460
0.99
73.5
STA-56D5008
1.8
2.8
2.8
1.00
2,560
460
0.99
73.5
STA-56D5010
1.8
6.2
1.4
4.45
2,520
460
0.99
73.5

Also available: 6 leads, step angle 0.9 deg.

Dimension

56D outline

Other sized series stepper motors

Specifications

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Model
SST36C0030
SST36C0050
SST36C0060
SST36C0080
SST36C1030
SST36C1050
SST36C1060
SST36C1080
SST28D110X
SST28D210X
SST28D310X
SST35D4165
SST35D4185
SST35D4205
SST35D4225

Model
Step angle
Deg.
Voltage
V
Current
A/φ
Resistance
Ω/φ
Inductance
mH/φ
Holding torque
mN·m
Rotor inertia
g·cm2
Mass
g
Length
mm

SST36C0030
0.9
5.0
0.3
16.80
8.50
41.2
7.3
50
12.35
SST36C0050
0.9
3.2
0.5
6.40
3.16
41.2
7.3
50
12.35
SST36C0060
0.9
2.6
0.6
4.30
2.23
41.2
7.3
50
12.35
SST36C0080
0.9
2.0
0.8
2.53
1.24
41.2
7.3
50
12.35
SST36C1030
0.9
8.2
0.3
27.20
20.70
100
19.6
90
19.7
SST36C1050
0.9
5.2
0.45
11.50
9.00
100
19.6
90
19.7
SST36C1060
0.9
4.1
0.6
6.90
5.35
100
19.6
90
19.7
SST36C1080
0.9
3.3
0.8
4.10
3.16
100
19.6
90
19.7
SST28D110X
1.8
1.89
1.3
1.45
1.25
92.2
8
110
32
SST28D210X
1.8
2.21
1.3
1.70
1.20
123
12
145
39.7
SST28D310X
1.8
2.93
1.3
2.25
1.70
183
17
195
51.6
SST35D4165
1.8
3.60
1.6
2.25
3.90
515
41
280
50.5
SST35D4185
1.8
3.15
1.8
1.75
2.40
465
41
280
50.5
SST35D4205
1.8
3.00
2.0
1.50
1.70
450
41
280
50.5
SST35D4225
1.8
2.75
2.2
1.25
1.15
415
41
280
50.5

NEMA24 and NEMA34 also available.

Dimension

28D outline
35D outline
36C outline
36C outline (optional)

Customization

ASPINA’s HB stepper motors can be customized in a wide variety of ways, allowing flexible design modifications to achieve the optimal specifications for your equipment.

Available customization options include:

done
Shaft configuration (D‑cut, keyway, knurling, hollow shaft, etc.)
done
Motor winding adjustment
done
Lead wire and connector options
done
Gear box (gear ratios, materials, backlash optimization)
done
Encoder options
done
Driver and controller

Request quote or consultation now!

Seamless global manufacturing with optimized logistics

ASPINA manufactures its stepper motors at two production sites located in South China and Japan. This dual‑site structure enables us to offer an optimized supply system tailored to your production location and supply‑chain requirements.

Japan plant / Shinano Kenshi Co., Ltd.

China plant / Dongguan Shinano Motor Co., Ltd.

Advanced engineering capabilities you can rely on

Over 60 years of technological expertise in developing and manufacturing motors, precision equipment, and electronic devices
Engineers specializing in mechanics, electronics, and software, each with extensive development experience ranging from modules to complete end products
Support for overseas customers through ASPINA’s global network in collaboration with the technical team at our Japan headquarters
Certification and quality‑management systems capable of meeting the stringent requirements of industries such as automotive and medical
Stable production through in‑house manufacturing and a global supply network

Proven performance

More than 8,000 motor and drive‑system models supplied to date
Customization ratio exceeding 95%
Adopted by many industry‑leading companies across sectors such as industrial equipment, medical devices, analytical instruments, and office automation equipment
Highly regarded by major manufacturers around the world (Total number of registered customers: More than 2,000)

Group overview

Annual turnover

51,400 million Japanese Yen consolidated (as of Feb 2025)

Employees

2,980 worldwide consolidated

Dear Future Customers & Partners

We envision a world where every individual experiences a sense of "hope" and "comfort." We understand that you, with your admirable ideals, are striving to overcome challenges to make this vision a reality.

Over our 100-year history, we have consistently prioritized understanding our customers' needs, offering solutions that go beyond expectations. This customer-centric approach has resulted in many forming lasting partnerships with us. We believe that our proactive mindset enables us to provide significant added value.

We will continue to offer innovative "movement" solutions from fresh perspectives. Our aim is to make even greater contributions on a global scale, striving to achieve our hopes for tomorrow and create a comfortable and secure future for everyone.

If you're seeking consultation for your business challenges or interested in exploring our products and services, please don't hesitate to reach out to us.

Wishing you ongoing success and growth in partnership with us.

Best regards,

Yukihiro Kaneko
Group CEO