What size are the screws for this product?

The diameter of the hole is 1.7mm,and we had screws together with the servo you can check the package. Thanks.

What is the size of this servo Spline?

Don’t know the exact size but can tell you it is very small

Are there any replacement servo arms?

They com with a variety of servo arms. I don't know if any are available separately.

Micro 3 7g Servo Gh S37a Mini Analogue Servo Control

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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₨1350

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Sold byAmazon SeychellesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚀 Elevate your RC game with micro precision and mega performance!

BUILT TO LAST - All-nylon gears ensure long-lasting durability and smooth, low-noise operation even under heavy use.
VALUE PACKED MULTIPACK - Get 5 micro servos in one set—perfect for upgrading multiple models or backups to keep you flying nonstop.
FEATHERWEIGHT PRECISION - At just 3.7g, this servo delivers high-performance control without weighing down your RC models.
LIGHTNING FAST RESPONSE - Experience near-instantaneous 0.10 sec/60° speed for razor-sharp maneuvering in planes, boats, and cars.
PLUG PLAY CONVENIENCE - 150mm connector wire length offers flexible installation across diverse RC vehicles and aircraft.

The YoungRC GH-S37A is a 3.7g coreless digital servo designed for RC planes, helicopters, boats, and cars. Featuring all-nylon gears for durability, it delivers up to 0.7kg/cm torque and ultra-fast 0.10 sec/60° speed at 6V. With a 150mm connector wire and a compact 20x8.75x22mm size, this 5-pack offers versatile, reliable control for serious aeromodelling enthusiasts.

Specifications

ASIN	B082SM99HL
Additional Features	Portable
Age Range Description	Kid
Are Batteries Required	No
Batteries are Included	No
Battery Description	Lithium-Ion
Best Sellers Rank	#250,717 in Toys ( See Top 100 in Toys ) #245 in RC Vehicle Servos
Brand Name	YoungRC
Color	Blue
Customer Reviews	4.2 out of 5 stars 109 Reviews
Included Components	5 X 3.7G Tiny Servo
Manufacturer	YoungRC
Material Type	Nylon
Model Name	GH S37A
Model Number	711005952484
Number of Items	5
Operation Mode	Remote Control
Power Source	Corded Electric
Theme	boat
Toy Vehicle Form	Helicopter
UPC	711005952484
Unit Count	5.0 Count

Reviews

C**B

What a little servo!

4.09.2025

L**N

These are inexpensive so keep you're expectations in check and you'll be happy...

24.11.2024

A**N

With wires, plug, and servo arm, these servos actually weigh 5 grams.

25.07.2020

E**R

took a chance and am happy with this product

9.11.2025

T**A

Not so great a deal.

8.11.2025

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