KST
KST Series Metal Drone Servos
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KST DS125MG Metal Gear Servo
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS125MG |
| Operating Type | Digital |
| Gear Material | Full Metal |
| Ball Bearing | 2 Ball Bearings (2BB) |
| Operating Voltage | 4.5V - 6.0V |
| Dimensions | 30 x 10 x 35 mm |
| Torque |
7.00 kg/cm at 6.0V 6.00 kg/cm at 4.8V |
| Speed |
0.12 sec/60° at 6.0V 0.15 sec/60° at 4.8V |
| Motor Type | 12mm Coreless Motor |
| Weight | 28 g (KST) |
KST DS135MG Metal Gear Servo
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS135MG |
| Operating Type | Digital |
| Gear Material | Full Steel Gear |
| Operating Voltage | 4.8V - 6.0V |
| Dimensions | 30 x 10 x 30 mm |
| Torque |
5.20 kg/cm at 6.0V 4.3 kg/cm at 4.8V |
| Speed |
0.12 sec/60° at 6.0V 0.15 sec/60° at 4.8V |
| Weight | 23 g |
KST DS145MG Metal Gear Servo
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS145MG |
| Operating Type | Digital |
| Gear Material | Full Steel Gear |
| Operating Voltage | 4.8V - 6.0V |
| Dimensions | 30 x 10 x 29.6 mm |
| Torque |
5.20 kg/cm at 6.0V 4.3 kg/cm at 4.8V |
| Speed |
0.12 sec/60° at 6.0V 0.15 sec/60° at 4.8V |
| Weight | 23 g |
KST DS215MG V3.0 Metal Gear Servo
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS215MG V3.0 |
| Operating Voltage | 6.0V - 7.4V |
| Torque |
3.10 kg.cm at 6.0V 3.70 kg.cm at 7.4V |
| Speed |
0.06 sec/60° at 6.0V 0.05 sec/60° at 7.4V |
| Working Signal | 1520us / 333Hz, 800 - 2200us |
| Motor Type | 12mm Coreless Motor |
| Net Weight | 20 g |
| Dimensions | 27.5 x 23 x 12 mm |
Product Features:
The new DS215MG is a metal-gear, high-voltage digital servo featuring high speed and high torque. It is a dedicated metal digital servo designed for swashplate configurations, perfectly suited for 450-class helicopter swashplates as well as 450 tail lock applications. Constructed with an all-metal CNC-machined outer casing and equipped with a premium coreless motor, the DS215 is widely considered the absolute king among 450-class helicopter servos.
KST DS315MG Metal Gear Servo
Since its launch, the KST DS315MG servo has received wide recognition and favor from RC hobbyists. This time, KST brings you the brand-new digital high-voltage all-metal servo DS315MG, specially designed for 450 and 480-class helicopter swashplates.
- High Gear Ratio Design: Utilizes a gear set with a larger transmission ratio, which delivers more precise resolution, greater torque, and simultaneously reduces current consumption!
- Delicate Control Feel: Offers a more refined handling experience and provides wider tolerance for ESC BEC output current, allowing pilots to fully enjoy the thrill of flight as they please!
- Key Highlights: Compared to KST 115MG and 215MG, it is more energy-efficient and offers higher motion resolution.
- Recommended Applications: ALIGN 450/480 upgraded models, GAUI X3, and similar setups.
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS315MG |
| Operating Voltage | DC 4.8V - 8.4V (High Voltage) |
| Operating Type | Digital |
| Dimensions | 23 x 12 x 27.5 mm |
| Torque |
2.8 kg.cm at 4.8V 3.5 kg.cm at 6.0V 4.3 kg.cm at 7.2V 4.8 kg.cm at 8.4V |
| Speed |
0.10 sec/60° at 4.8V 0.09 sec/60° at 6.0V 0.08 sec/60° at 7.2V 0.07 sec/60° at 8.4V |
| Working Frequency | 1520us / 333Hz, 900us - 2100us |
| Motor Type | 12mm Coreless Motor |
| Weight | 23 g |
KST DS589MG Metal Gear Servo
Since their launch, KST servos have received wide recognition and favor from RC hobbyists, especially the 215MG servo for 450-class helicopters, which has earned unanimous praise for its extremely high cost-performance ratio.
- Dedicated Design: This time, KST brings you the brand-new DS589MG servo, which is perfect for 500-class helicopter swashplate configurations.
- High Performance: Supports 2S LiPo direct drive. Equipped with an oversized coreless motor that provides ultra-fast response speed and immense torque, making it the premier choice for servo upgrades.
- Comparison: Compared to the 515 model, the DS589MG delivers significantly greater power (reaching up to 9.2 kg.cm) with a slightly lower speed rating of 0.08 sec.
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS589MG |
| Operating Voltage | DC 6.0V - 8.4V |
| Ball Bearing | 2 Ball Bearings (2BB) |
| Dimensions | 35.50 x 15.00 x 32.70 mm |
| Torque |
6.50 kg.cm at 6.0V 8.00 kg.cm at 7.4V 9.20 kg.cm at 8.4V |
| Speed |
0.10 sec/60° at 6.0V 0.09 sec/60° at 7.4V 0.08 sec/60° at 8.4V |
| Weight | 40 g |
| Working Frequency | 1520us / 333Hz, 900us - 2100us |
| Motor Type | Φ15mm Coreless Motor |
KST DS565X Narrow Band Metal Gear Servo
The KST DS565X is a high-performance narrow-band tail lock servo, ideal for 450 to 500-class helicopter tail applications. Supporting 2S LiPo direct drive and featuring an oversized, high-spec coreless motor, this servo delivers ultra-fast speed and exceptional torque, making it a premium choice for high-end servo upgrades.
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS565X |
| Operating Voltage | DC 6.0V - 8.4V |
| Ball Bearing | 2 Ball Bearings (2BB) |
| Dimensions | 35.50 x 15.00 x 32.70 mm |
| Torque |
4.00 kg.cm at 6.0V 5.00 kg.cm at 7.4V 6.00 kg.cm at 8.4V |
| Speed |
0.06 sec/60° at 6.0V 0.05 sec/60° at 7.4V 0.04 sec/60° at 8.4V |
| Weight | 40 g |
| Working Frequency | 760us / 560Hz (Narrow Band) |
| Motor Type | Φ15mm Coreless Motor |
KST DS3509MG HV Metal Gear Servo
| Parameter | Specification |
|---|---|
| Brand | KST |
| Model | KST Metal Servo DS3509MG HV |
| Operating Voltage | DC 6.0V - 8.4V (High Voltage) |
| Ball Bearing | 2 Ball Bearings (2BB) |
| Dimensions | 40.50 x 21.00 x 39.50 mm |
| Torque |
30.00 kg.cm at 6.0V 32.00 kg.cm at 7.4V 35.00 kg.cm at 8.4V |
| Speed |
0.14 sec/60° at 6.0V 0.13 sec/60° at 7.4V 0.12 sec/60° at 8.4V |
| Weight | 78 g |
| Working Frequency | 1520us / 333Hz, 900us - 2100us |
| Motor Type | Φ20mm Coreless Motor |
FAQS
1. HOW DO I PLACE MY ORDER?
- Simply choose your style on the product page then click the “Add To Cart” button and follow the simple steps to complete your order.
- We’ll prepare your order and let you know when it's on its way!
2. HOW LONG WILL IT TAKE TO SHIP MY ORDER?
- Orders typically ship within 5 to 10 business days. For international orders, transit will take an additional 1 to 2 weeks.
3. MY TRACKING NUMBER ISN’T WORKING
- Tracking numbers can take 3-5 days to appear in the shipping carrier's system. Occasionally, the shipping carrier can lose an order. If the tracking number is still not working within a few days, please contact the shipping carrier.
4. I NEED HELP WITH A LATE ORDER
- Orders typically ship within 5 to 8 business days. For international orders, transit will take an additional 1 to 2 weeks.
- If your order has not arrived after 10 business days (domestic) and 20 business days (international), please contact our team, we are happy to assist.
- Products that need to be customized, production time is 10-25 days to ship, product details will be announced.
5. We accept the following secure payment methods:
Credit Cards (via Airwallex):
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- Secured by Airwallex, a global compliant payment platform
Third-Party Payments:
- PayPal (Personal & Business Accounts)
Bank Transfer:
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6. WHEN WILL MY CARD BE CHARGED?
Just after your order has been successfully placed.
7. HOW SECURE IS MY PERSONAL INFORMATION?
- We adhere to the highest industry standards to protect your personal information when you checkout and purchase.
- Your credit card information is encrypted during transmission using secure socket layer (SSL) technology, which is widely used on the Internet for processing payments. Your credit card information is only used to complete the requested transaction and is not subsequently stored.
7.Shopping safety guaranteed
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8.What delivery?
We cooperate with DHL, FedEx, EMS shipping companies, you can choose freely when placing orders;
- DHL : https://www.dhl.com/
- FedEx :https://www.fedex.com/
- EMS:https://www.ems.com.cn/
- Logistics Tracking:https://www.uavmodel.com/apps/17TRACK
9.Refund issue?
Due to the buyer's own reasons, resulting in a refund. This website will not be responsible for the payment of processing fees including returning shipping cost.
Made-to-order products: Once a customer submits an order, the product will immediately go into production. Given its customized nature and the immediacy of production, such orders become binding upon confirmation and no refunds will be accepted.
All products that require production time are classified as customized products.
10、Answer: Customs clearance responsibility depends on trade terms (e.g., EXW, FOB, DDP). Generally:
- Our Default Terms: The customer (consignee) must handle clearance and pay all duties/taxes.
- Exceptions: If your order states "DDP (Delivered Duty Paid)", we will handle clearance.
11、Answer: Typically required documents:
- ID (e.g., passport) or business tax number;
- Commercial invoice (contact us after purchase);
- Tip: Contact your local customs in advance!
12、Answer: Duties are determined by your country’s customs based on product type, value, and regulations. To estimate costs:
- Check your local customs website;
- Use third-party tools (e.g., Avalara, DutyCalculator).
13、Answer:
- Delays: Contact customs directly to submit documents/payments. We can provide tracking numbers or invoices.
- Destruction: Losses due to unresponsive clearance will be borne by the customer.
- Exceptions: If caused by our documentation errors, contact us for support.
14、Answer: You will receive a commercial invoice and packing list via email. For other documents, contact sales@uavmodel.com (response within 24 hours).
15、Answer: The following products may be seized or rejected:
- Prohibited items in your country (e.g., cosmetics with banned ingredients);
- Products without required certifications (e.g., electronics lacking CE marks);
- Under-declared value (may raise tax evasion suspicions).
If you pay by credit card, your payment could be somehow denied at the checkout by our system in defense against possible credit card fraud. It's a good idea to call your credit card company or bank ahead of time to let them know about the purchase so that it doesn't get declined.
Under such circumstance, here are 3 solutions for you:
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2. Please switch to your other credit/debit cards.
3. If you do not have a PayPal account, please select PayPal still at the checkout page & click the complete order button. Then you'll be directed to a page with access to both PayPal and Debit/Credit card payment (for the latter option, you don't have to register for PayPal).
As following steps:
Step 1. Select PayPal (even if you don't have a PayPal account)

Step 2. Click on "Pay with Debit or Credit Card".

Step 3. Fill in your credit card info and complete your order.

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Holder Name: Xiamen Gaoteng Trading Co., Ltd.
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Bank Location Country: HONG KONG, CHINA
Bank Address: CHATER HOUSE, 8 CONNAUGHT ROAD, CENTRAL, HONG KONG
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Branch Number: 863
Please include the following memo/message to receiver when making a payment: [Buyer Name][Invoice/Contract Number][Product]
UAVMODEL
Ownership:
UAVMODEL CO., LTD.;
ZHANGZHOU YICHENG TECHNOLOGY CO., LTD.;
XIAMEN GAOTENG TECHNOLOGY CO., LTD.
Email:Sales@uavmodel.com
Phone: +8613015671328
313, No.25, Jingxia Road, Wenpu Industrial Park, Jiaomei Town, Taiwan Investment Zone,
Unit 2502-3, No.1110, Jimei North Road, Software Park, Torch High-tech Zone, Xiamen

What we really do?
UAVMODEL is a leading UAV airframe manufacturer. Our UAV platforms serve professional needs in industrial inspection, gas and oil, precision agriculture, mapping, public safety, construction, forestry and defense.
10+ Years of Experience
500+ Successful Cases
12+ Industry Awards
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We are committed to the R&D of medium and large UAVs and specialized UAV technologies for complex environments. Our focus includes design, production, testing, sales, and service, providing comprehensive solutions based on our technology.
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