12mm Metal Gear Motor Model NFP-GM12-N20-HQ
$8.00
Experience the reliability of our 12mm steel gearbox motor. Ideal for rigorous applications, this compact motor offers impressive torque. Get it now!
| Quantity | Price | Discount |
|---|---|---|
| 1 - 9 | $8.00 | 0% |
| 10 - 19 | $4.80 | 40% |
| 20 - 49 | $4.20 | 47.50% |
| 50 - 99 | $3.90 | 51.25% |
| 100 - 499 | $3.50 | 56.25% |
| 500+ | $2.80 | 65% |
High-Strength Steel Gear N20 Gear Motor For Heavy-Duty Parameters
The NFP-GM12-N20VA-HQ is a 12mm metal gear motor for compact products that need high torque, durable steel gears, and stable low-speed output. It supports DC 3V to 12V power options.
First, this high torque motor offers precision and durability in a compact design. Also, the 3mm D-shape output shaft helps with mechanical connection. Therefore, it is useful for demanding small drive applications.
In addition, the motor is suitable for smart robots, electric window actuators, self-balancing mini vehicles, smart robotic arms, and similar devices. As a result, it can support many compact automation systems.
Main Product Features
- First, steel gearbox: The high-strength gearbox helps support heavy-duty use.
- In addition, compact N20 size: The 12mm motor body fits small product spaces.
- Also, D-shape shaft: The 3mm output shaft helps with stable mechanical connection.
- Next, wide voltage range: The motor supports DC 3V to 12V options.
- Finally, high torque output: Higher ratios can provide strong torque for compact mechanisms.
Basic Specification Data
Next, the table below helps users check shaft size, voltage range, weight, and application examples. Therefore, it is easier to confirm whether this motor fits the final product design.
| Specification | Details |
|---|---|
| Shaft Diameter | 3 mm D-Shape Output Shaft |
| Shaft Length | 10 mm Output Shaft |
| Rated Voltage | DC 3–12 V |
| Weight | Approx. 10 g |
| Application Examples | Smart robots, electric window actuators, self-balancing mini vehicles, smart robotic arms and similar devices |
Also, the 10mm output shaft length helps support compact transmission layouts. As a result, users can design small mechanisms with a short and practical shaft output.
Model: NFP-GM12-N20VA-HQ, 3V DC, 26Type
First, the 3V DC 26Type table is suitable for low-voltage products that need controlled speed and low current. Therefore, it is useful for compact battery-powered mechanisms.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤45mA | 810rpm | 25g.cm | 2.5mN.m | 460rpm | ≤0.14A | 0.06kg.cm | ≤0.35A |
| 20:1 | ≤45mA | 405rpm | 100g.cm | 9.8mN.m | 240rpm | ≤0.14A | 0.12kg.cm | ≤0.35A |
| 30:1 | ≤45mA | 270rpm | 75g.cm | 7.4mN.m | 160rpm | ≤0.14A | 0.15kg.cm | ≤0.35A |
| 50:1 | ≤45mA | 162rpm | 120g.cm | 11.8mN.m | 90rpm | ≤0.14A | 0.4kg.cm | ≤0.35A |
| 100:1 | ≤45mA | 81rpm | 250g.cm | 24.5mN.m | 47rpm | ≤0.14A | 0.8kg.cm | ≤0.35A |
| 150:1 | ≤45mA | 54rpm | 350g.cm | 34.3mN.m | 32rpm | ≤0.14A | 1.0kg.cm | ≤0.35A |
| 210:1 | ≤45mA | 38rpm | 500g.cm | 49.0mN.m | 23rpm | ≤0.14A | 1.3kg.cm | ≤0.35A |
| 298:1 | ≤45mA | 27rpm | 1000g.cm | 98.0mN.m | 16rpm | ≤0.14A | 1.8kg.cm | ≤0.35A |
| 380:1 | ≤45mA | 21rpm | 1200g.cm | 117.6mN.m | 12rpm | ≤0.14A | 2.0kg.cm | ≤0.35A |
| 1000:1 | ≤45mA | 8rpm | 1600g.cm | 156.9mN.m | 5rpm | ≤0.14A | 3.5kg.cm | ≤0.35A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 1000:1 ratio gives the lowest speed and strongest stall torque in this table. As a result, it is useful for slow and strong compact mechanisms.
Model: NFP-GM12-N20VA-HQ, 3V DC, 45Type
In addition, the 3V DC 45Type gives higher speed than the 26Type version. Therefore, users can choose this option when a 3V system needs faster output speed.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤45mA | 1200rpm | 40g.cm | 3.9mN.m | 780rpm | ≤0.27A | 0.1kg.cm | ≤0.65A |
| 20:1 | ≤45mA | 600rpm | 80g.cm | 7.8mN.m | 390rpm | ≤0.27A | 0.2kg.cm | ≤0.65A |
| 30:1 | ≤45mA | 400rpm | 120g.cm | 11.8mN.m | 260rpm | ≤0.27A | 0.3kg.cm | ≤0.65A |
| 50:1 | ≤45mA | 240rpm | 200g.cm | 19.6mN.m | 150rpm | ≤0.27A | 0.5kg.cm | ≤0.65A |
| 100:1 | ≤45mA | 120rpm | 400g.cm | 39.2mN.m | 80rpm | ≤0.27A | 1.0kg.cm | ≤0.65A |
| 150:1 | ≤45mA | 80rpm | 600g.cm | 58.8mN.m | 52rpm | ≤0.27A | 1.5kg.cm | ≤0.65A |
| 210:1 | ≤45mA | 57rpm | 800g.cm | 78.4mN.m | 37rpm | ≤0.27A | 2.0kg.cm | ≤0.65A |
| 298:1 | ≤45mA | 40rpm | 1200g.cm | 117.6mN.m | 26rpm | ≤0.27A | 3.0kg.cm | ≤0.65A |
| 380:1 | ≤45mA | 32rpm | 1600g.cm | 156.9mN.m | 20rpm | ≤0.27A | 3.5kg.cm | ≤0.65A |
| 1000:1 | ≤45mA | 12rpm | 1600g.cm | 156.9mN.m | 10rpm | ≤0.27A | 3.5kg.cm | ≤0.65A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, this 45Type version provides higher rated speeds at many ratios. As a result, it can support faster motion while keeping the same compact N20 gearbox style.
Model: NFP-GM12-N20VA-HQ, 3V DC, K100Type
Next, the 3V DC K100Type provides higher current and higher no-load speed. Therefore, it is useful when a 3V product needs stronger and faster gearbox output.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤150mA | 1500rpm | 40g.cm | 3.9mN.m | 780rpm | ≤0.45A | 0.1kg.cm | ≤1.0A |
| 20:1 | ≤150mA | 750rpm | 80g.cm | 7.8mN.m | 390rpm | ≤0.45A | 0.2kg.cm | ≤1.0A |
| 30:1 | ≤150mA | 400rpm | 120g.cm | 11.8mN.m | 260rpm | ≤0.45A | 0.3kg.cm | ≤1.0A |
| 50:1 | ≤150mA | 310rpm | 200g.cm | 19.6mN.m | 150rpm | ≤0.45A | 0.5kg.cm | ≤1.0A |
| 100:1 | ≤150mA | 155rpm | 400g.cm | 39.2mN.m | 80rpm | ≤0.45A | 1.0kg.cm | ≤1.0A |
| 150:1 | ≤150mA | 105rpm | 600g.cm | 58.8mN.m | 52rpm | ≤0.45A | 1.5kg.cm | ≤1.0A |
| 210:1 | ≤150mA | 74rpm | 800g.cm | 78.4mN.m | 37rpm | ≤0.45A | 2.0kg.cm | ≤1.0A |
| 298:1 | ≤150mA | 50rpm | 1200g.cm | 117.6mN.m | 26rpm | ≤0.45A | 3.0kg.cm | ≤1.0A |
| 380:1 | ≤150mA | 40rpm | 1600g.cm | 156.9mN.m | 20rpm | ≤0.45A | 3.5kg.cm | ≤1.0A |
| 1000:1 | ≤150mA | 15.5rpm | 1600g.cm | 156.9mN.m | 10rpm | ≤0.45A | 3.5kg.cm | ≤1.0A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 3V DC K100Type gives higher no-load speed than the 26Type and 45Type versions. As a result, it can support faster low-voltage gear motor designs.
Model: NFP-GM12-N20VA-HQ, 6V DC, 26Type
In addition, the 6V DC 26Type offers higher speed than the 3V 26Type version. Therefore, it is useful for 6V systems that need balanced speed, torque, and current.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤45mA | 1650rpm | 50g.cm | 4.9mN.m | 980rpm | ≤0.23A | 0.11kg.cm | ≤0.55A |
| 20:1 | ≤45mA | 825rpm | 100g.cm | 9.8mN.m | 490rpm | ≤0.23A | 0.22kg.cm | ≤0.55A |
| 30:1 | ≤45mA | 550rpm | 150g.cm | 14.7mN.m | 326rpm | ≤0.23A | 0.35kg.cm | ≤0.55A |
| 50:1 | ≤45mA | 330rpm | 250g.cm | 24.5mN.m | 193rpm | ≤0.23A | 0.6kg.cm | ≤0.55A |
| 100:1 | ≤45mA | 165rpm | 500g.cm | 49.0mN.m | 98rpm | ≤0.23A | 1.1kg.cm | ≤0.55A |
| 150:1 | ≤45mA | 110rpm | 750g.cm | 73.5mN.m | 65rpm | ≤0.23A | 1.8kg.cm | ≤0.55A |
| 210:1 | ≤45mA | 78rpm | 1000g.cm | 98.0mN.m | 46rpm | ≤0.23A | 2.5kg.cm | ≤0.55A |
| 298:1 | ≤45mA | 54rpm | 1500g.cm | 147.1mN.m | 32rpm | ≤0.23A | 2.5kg.cm | ≤0.55A |
| 380:1 | ≤45mA | 43rpm | 1900g.cm | 186.3mN.m | 25rpm | ≤0.23A | 2.5kg.cm | ≤0.55A |
| 1000:1 | ≤45mA | 16rpm | 2500g.cm | 245.1mN.m | 10rpm | ≤0.23A | 2.5kg.cm | ≤0.55A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 6V DC 26Type provides strong rated torque at high ratios. As a result, it can support compact 6V mechanisms that need low-speed torque.
Model: NFP-GM12-N20VA-HQ, 6V DC, 35Type
Next, the 6V DC 35Type offers lower no-load current than the 6V K100Type. Therefore, it is useful for 6V products that need controlled current and stable speed.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤40mA | 1050rpm | 20g.cm | 2.0mN.m | 750rpm | ≤0.1A | 0.10kg.cm | ≤0.3A |
| 20:1 | ≤40mA | 525rpm | 40g.cm | 3.9mN.m | 375rpm | ≤0.1A | 0.16kg.cm | ≤0.3A |
| 30:1 | ≤40mA | 350rpm | 60g.cm | 5.9mN.m | 250rpm | ≤0.1A | 0.24kg.cm | ≤0.3A |
| 50:1 | ≤40mA | 210rpm | 100g.cm | 9.8mN.m | 150rpm | ≤0.1A | 0.4kg.cm | ≤0.3A |
| 100:1 | ≤40mA | 105rpm | 200g.cm | 19.6mN.m | 75rpm | ≤0.1A | 0.8kg.cm | ≤0.3A |
| 150:1 | ≤40mA | 70rpm | 300g.cm | 29.4mN.m | 50rpm | ≤0.1A | 1.2kg.cm | ≤0.3A |
| 210:1 | ≤40mA | 50rpm | 400g.cm | 39.2mN.m | 35rpm | ≤0.1A | 1.6kg.cm | ≤0.3A |
| 298:1 | ≤40mA | 35rpm | 600g.cm | 58.8mN.m | 25rpm | ≤0.1A | 2.3kg.cm | ≤0.3A |
| 380:1 | ≤40mA | 28rpm | 750g.cm | 73.5mN.m | 20rpm | ≤0.1A | 3.0kg.cm | ≤0.3A |
| 1000:1 | ≤40mA | 10rpm | 2000g.cm | 196.1mN.m | 7rpm | ≤0.1A | 3.5kg.cm | ≤0.3A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 6V DC 35Type reaches 3.5kg.cm stall torque at 1000:1 ratio. As a result, it can support slow and strong output in compact products.
Model: NFP-GM12-N20VA-HQ, 6V DC, K100Type
Furthermore, the 6V DC K100Type gives the highest no-load speed among the 6V tables. Therefore, it is useful for products that need fast output and strong gearbox torque.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤200mA | 3200rpm | 80g.cm | 7.8mN.m | 1580rpm | ≤0.90A | 0.2kg.cm | ≤2.0A |
| 20:1 | ≤200mA | 1600rpm | 160g.cm | 15.6mN.m | 780rpm | ≤0.90A | 0.4kg.cm | ≤2.0A |
| 30:1 | ≤200mA | 1050rpm | 240g.cm | 23.6mN.m | 530rpm | ≤0.90A | 0.6kg.cm | ≤2.0A |
| 50:1 | ≤200mA | 640rpm | 400g.cm | 39.2mN.m | 310rpm | ≤0.90A | 1.0kg.cm | ≤2.0A |
| 100:1 | ≤200mA | 320rpm | 800g.cm | 78.4mN.m | 170rpm | ≤0.90A | 2.0kg.cm | ≤2.0A |
| 150:1 | ≤200mA | 210rpm | 1200g.cm | 117.6mN.m | 110rpm | ≤0.90A | ≥3.0kg.cm | ≤2.0A |
| 210:1 | ≤200mA | 150rpm | 1600g.cm | 156.9mN.m | 78rpm | ≤0.90A | ≥3.0kg.cm | ≤2.0A |
| 298:1 | ≤200mA | 105rpm | 2400g.cm | 235.3mN.m | 56rpm | ≤0.90A | ≥3.0kg.cm | ≤2.0A |
| 380:1 | ≤200mA | 84rpm | 3000g.cm | 294.1mN.m | 45rpm | ≤0.90A | ≥3.0kg.cm | ≤2.0A |
| 1000:1 | ≤200mA | 32rpm | 3000g.cm | 294.1mN.m | 25rpm | ≤0.90A | ≥3.0kg.cm | ≤2.0A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 6V DC K100Type provides high speed and strong rated torque. However, users should check the current range carefully before final design.
Model: NFP-GM12-N20VA-HQ, 12V DC, 05Type
Next, the 12V DC 05Type provides lower current and stable speed. Therefore, it is useful for compact 12V systems that need controlled motion and lower power use.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤30mA | 1500rpm | 20g.cm | 2.0mN.m | 1200rpm | ≤0.07A | 0.10kg.cm | ≤0.3A |
| 20:1 | ≤30mA | 750rpm | 40g.cm | 3.9mN.m | 600rpm | ≤0.07A | 0.16kg.cm | ≤0.3A |
| 30:1 | ≤30mA | 500rpm | 60g.cm | 5.9mN.m | 400rpm | ≤0.07A | 0.24kg.cm | ≤0.3A |
| 50:1 | ≤30mA | 300rpm | 100g.cm | 9.8mN.m | 240rpm | ≤0.07A | 0.4kg.cm | ≤0.3A |
| 100:1 | ≤30mA | 150rpm | 200g.cm | 19.6mN.m | 120rpm | ≤0.07A | 0.8kg.cm | ≤0.3A |
| 150:1 | ≤30mA | 100rpm | 300g.cm | 29.4mN.m | 80rpm | ≤0.07A | 1.2kg.cm | ≤0.3A |
| 210:1 | ≤30mA | 71rpm | 400g.cm | 39.2mN.m | 57rpm | ≤0.07A | 1.6kg.cm | ≤0.3A |
| 298:1 | ≤30mA | 50rpm | 600g.cm | 58.8mN.m | 40rpm | ≤0.07A | 2.3kg.cm | ≤0.3A |
| 380:1 | ≤30mA | 39rpm | 750g.cm | 73.5mN.m | 31rpm | ≤0.07A | 3.0kg.cm | ≤0.3A |
| 1000:1 | ≤30mA | 15rpm | 2000g.cm | 196.1mN.m | 12rpm | ≤0.07A | 3.5kg.cm | ≤0.3A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 12V DC 05Type offers low current and strong torque at high ratios. As a result, it is suitable for small 12V mechanisms that need low-speed output.
Model: NFP-GM12-N20VA-HQ, 12V DC, 35Type
Finally, the 12V DC 35Type provides higher speed and stronger rated torque than the 12V 05Type. Therefore, it is useful when the product needs more speed and stronger output.
| Gear Ratio | No-load Current | No-load Speed | Rated Torque | Rated Torque | Rated Speed | Rated Current | Stall Torque | Stall Current |
|---|---|---|---|---|---|---|---|---|
| 10:1 | ≤55mA | 2150rpm | 50g.cm | 4.9mN.m | 1450rpm | ≤0.2A | 0.13kg.cm | ≤0.50A |
| 20:1 | ≤55mA | 1075rpm | 100g.cm | 9.8mN.m | 720rpm | ≤0.2A | 0.26kg.cm | ≤0.50A |
| 30:1 | ≤55mA | 717rpm | 150g.cm | 14.7mN.m | 480rpm | ≤0.2A | 0.39kg.cm | ≤0.50A |
| 50:1 | ≤55mA | 430rpm | 250g.cm | 24.5mN.m | 290rpm | ≤0.2A | 0.7kg.cm | ≤0.50A |
| 100:1 | ≤55mA | 215rpm | 500g.cm | 49.0mN.m | 145rpm | ≤0.2A | 1.3kg.cm | ≤0.50A |
| 150:1 | ≤55mA | 143rpm | 750g.cm | 73.5mN.m | 95rpm | ≤0.2A | 2.0kg.cm | ≤0.50A |
| 210:1 | ≤55mA | 102rpm | 1000g.cm | 98.0mN.m | 70rpm | ≤0.2A | 2.7kg.cm | ≤0.50A |
| 298:1 | ≤55mA | 72rpm | 1500g.cm | 147.1mN.m | 48rpm | ≤0.2A | 3.0kg.cm | ≤0.50A |
| 380:1 | ≤55mA | 57rpm | 1900g.cm | 186.3mN.m | 38rpm | ≤0.2A | 3.0kg.cm | ≤0.50A |
| 1000:1 | ≤55mA | 21rpm | 3000g.cm | 294.1mN.m | 14rpm | ≤0.2A | 3.5kg.cm | ≤0.50A |
Note: All reduced no-load speeds have a tolerance of ±15%.
Also, the 12V DC 35Type offers the highest 12V no-load speed in this page. As a result, it is a good choice for faster 12V N20 gear motor projects.
High Precision Steel Gear N20 Gear Motor For Precise Control Outline Drawing
First, the outline drawing helps users review the N20 gear motor body, output shaft, and steel gearbox structure. Therefore, it is useful before sample testing and final product design.
In addition, this electric gearbox motor is suitable for small locks, toys, shared power banks, label printers, barcode printers, robots, security monitoring products, medical equipment, and intelligent switches.
Outline Drawing and Design Benefits
- First, steel gearbox: The durable gearbox helps support heavy-duty operation.
- In addition, compact structure: The N20 body helps save installation space.
- Also, D-shape shaft: The 3mm output shaft supports stable mechanical connection.
- Next, wide ratio range: Users can choose speed and torque for different products.
- Finally, precise control: The gearbox helps provide controlled low-speed motion.
Mounting Bracket Outline Drawing
Next, the mounting bracket drawing helps users review the bracket size and installation structure. Therefore, it can support mechanical planning before final assembly.
Also, a suitable bracket can help hold the motor more firmly. As a result, it may improve installation stability in compact equipment.
Bracket Design Benefits
- First, easy mounting: The bracket helps users install the gear motor more securely.
- In addition, compact fit: The bracket is designed for small motor layouts.
- Also, stable holding: A proper bracket can reduce motor movement during operation.
- Next, sample testing: The drawing helps users check bracket fit before assembly.
- Finally, project support: The bracket can support small automation and robot designs.
Typical Applications
Finally, this high-strength steel gear N20 gear motor is suitable for compact products that need strong torque, precise control, and durable gearbox output. Also, users should test the motor with the real load before bulk orders.
- Small locks
- Toys
- Adult products
- Shared power banks
- Label printers
- Barcode printers
- Robots
- Security monitoring facilities
- Medical equipment
- Intelligent switches
- Steam hair straighteners
- Intelligent wearables
- 3D printing equipment
- Curling devices
- Safes
- Electric screwdrivers
- Display frames
- Smart robotic arms
- Electric window actuators
- Self-balancing mini vehicles
Important Use Notes
Please follow the notes below during motor testing and installation. Therefore, the motor can run within the correct electrical and mechanical limits.
- Use tolerance: Pay attention to the voltage and current range. Otherwise, motor performance and motor life may decline.
- Handling motors: Handle the motor gently. In addition, hold the motor shell as much as possible during assembly.
- Motor wiring: Connect the red lead to the positive electrode and the black lead to the negative pole. If reversed, the motor rotates in the opposite direction.
- Overload: Use the motor within the specified load range. Also, do not block the motor or run it close to stall for too long. Otherwise, the motor may burn out.
In short, the NFP-GM12-N20VA-HQ steel gear motor is a good fit for products that need DC 3V to 12V power, a 3mm D-shape output shaft, compact N20 size, high torque, and durable gearbox performance.
Keywords: gear motors, gear motor manufacturers, dc gear motors, 6v geared motor
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Shipping:
1.Delivery: DHL/FedEx 3-5 days.
2.Item will be shipped within 1-3 business days after the payment.
3.If you haven’t received the item on the Delivery Time, pls contact us by email if you have any questions. Normally, we will give you a reply within 24 hours, if not, pls check the spam of your email box. We will do our best to help you solve the problems.
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FAQ
Q: If customized, what information should you provide?
A: You need to provide the basic specification of the motor, such as: Dimensions, Sizes Applications, Voltage, Speed and Torque. It’s better to offer application prototype drawings to us if possible.
Q: What’s your main motors?
A: Diameter 4mm~42mm Dc Micro Motor And Gear Motor, Auto Dc Motor, Electric Motor, Gear Motor, Mini Dc Motor, Brush Dc Motor, Brushless Dc Motor, Spur Gear Motor, Micro Motor, Vibration Motor Etc.
Q: What’s the main application of the micro dc motor?
A: Our mini DC motors are widely used in Home Applications, Office Equipment, Health-Care Application, Sanitation Industry, High-Class Toy, Banking System, Electronic and Electrical Tools, Automation Industry, Bank Equipments, Payment Equipments, Vending Machines, Power Door Lock, Electric Door Lock.








Joffry Chusser –
I bought this metal gear motor for a small DIY project where I needed precise control and torque. The motor is surprisingly powerful for its size . The gears seem to be of good quality.👍
Jacek Zagaja –
A good N20 gearbox dc motor for hobbies. These micro N20 gear motors dc 6v worked well for a automated Christmas tree that 3D printed. I lubed up the gears to reduce the gear noise when running, they fit great for this tree project which was designed for this type and size of mini gear motor.