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RS550 DC Motor10.8V 12V 14.4V 16.8V 18V 21V 25V Micro Electric Screwdriver Motors with 9 Teeth12Teeth High Torque Gear Box Motor

RS550 DC Motor10.8V 12V 14.4V 16.8V 18V 21V 25V Micro Electric Screwdriver Motors with 9 Teeth12Teeth High Torque Gear Box Motor

Price range: $3.62 through $6.58

Wholesale pricing up to 10% off

Minimum order quantity: 100 pcs

RS-550 brushed DC motor with pinion gear for cordless electric screwdrivers. 10.8V–25V options, 9 or 12 teeth, counter-clockwise rotation.

Product overview

Product type
Configurable product with multiple options
Minimum order
100 pcs
Volume pricing
200+ pcs: 10% off
Options
Voltage: 10.8V, 12V, 14.4V, 16.8V, 18V, 21V | Teeth: 9 Teeth, 12 Teeth
Customization
OEM/ODM, custom length, connector, colour and packing
Payment
T/T bank transfer; card payments where available
Shipping
DHL, FedEx, UPS or freight forwarder from China
Duties & import taxes are prepaid at checkout — no extra charges on delivery.
SKU: N/A Category: Brand:

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Description

Overview

RS-550 brushed DC motor with a pinion gear fitted to the shaft, intended as a replacement motor for cordless electric screwdrivers and similar small power tools. The motor is marked GRS550VC and rotates counter-clockwise (CCW).

Specifications

  • Model: RS-550 / GRS550VC
  • Voltage options: 10.8V / 12V / 14.4V / 16.8V / 18V / 21V / 25V
  • Rotation: CCW (counter-clockwise), as marked on the motor can
  • Pinion gear: 9 teeth or 12 teeth
  • Type: brushed DC motor with gear pinion
  • Construction: metal can with rear vent openings and solder tab terminals

Purpose

Brushed motors in cordless screwdrivers wear out their brushes or bearings long before the rest of the tool is finished. Replacing just the motor restores full torque at a fraction of the cost of a new tool, provided the voltage and gear tooth count match the original.

Applications

  • Cordless electric screwdrivers
  • Small cordless drills and drivers
  • Power tool repair and refurbishment
  • DIY motor projects requiring a geared brushed motor

How to Use

  1. Take the old motor out and read the markings on the can — match the voltage rating and the pinion tooth count before ordering.
  2. Check the rotation direction. This motor is CCW; if your tool needs the opposite direction, reversing the supply polarity will reverse the rotation.
  3. Transfer or fit the pinion gear to the new shaft if it is not already installed, keeping the mesh depth the same as the original.
  4. Solder or clip the supply leads to the two terminals.
  5. Test the motor briefly out of the gearbox first to confirm direction and that it spins freely, then reassemble.
  • Voltage: 10.8V / 12V / 14.4V / 16.8V / 18V / 21V / 25V
  • Gear: 9 teeth or 12 teeth
  • High torque gear box motor

Need help specifying this connector?

Use our practical guides for current and wire selection, connector validation and OEM harness drawings.

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Additional information

Weight N/A
Dimensions N/A
Voltage

10.8V, 12V, 14.4V, 16.8V, 18V, 21V, 25V

Teeth

9 Teeth, 12 Teeth

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Buying FAQ

What is the minimum order quantity?

The minimum order quantity is 100 pcs.

How does tiered pricing work?

The unit price is adjusted automatically by quantity: from 200 pcs: 10% off. The final price is confirmed in the quotation.

Can you customize this product?

Yes. We support OEM/ODM, custom wire length, connector type, colour, packing and cable assemblies. Send a drawing, sample or photo for evaluation.

How do I request a quotation?

Use the quote form on this page, WhatsApp +86 15521787718, WeChat yieying_01 or email 298273997@qq.com. We reply within one business day.

What payment methods do you accept?

We accept T/T bank transfer. Card or local payment methods may be available through our payment partner, subject to the destination and order value.

What is the lead time?

Lead time is confirmed in the quotation. For custom or OEM orders, we normally approve a sample before bulk production.

Need help with returns, warranty or spare parts? Read our After-Sales Service

Request a Quote

Fill in the form below and we will reply within 1 business day. You can also reach us on WhatsApp: +86 15521787718

Prices are shown in USD, converted from CNY at 1 CNY = 0.1496 USD (rate updated 2026-11-15 07:56)