What are the names of these screws?

Hi. The longer two screws are PA2*8(2×8mm). The another is KM2*4(2×4mm). Hope it helps you.

How would the motor respond to a 5V pulse from a momentary push button?

Hi. Servo provides 500~2500 usec pulse signal under 5V voltage. The servo will directly rotate to the angle corresponding to the pulse value. Hope you have a good experience with our products.

Has anyone used these for model train N scale Peco switches?

Hello. There is no prescribed use equipment, and multiple assemblies and combinations can be cited. But need to meet the required voltage conditions. When you are using the servo, the voltage needs to reach 4.8-6V, connect the signal to the servo.

Do these have wires to connect to a battery pack?

To go to a battery pack, 5V or 4.5V, you may cut off the red wire from the 3-pin female connector and go to the plus of the battery. The orange or yellow wire must go to a PWM signal, usually from an Arduino using analogWrite. Black or brown wire goes to Arduino ground AND battery negative.

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Smraza SG90 9G Micro Servo Motor Kit Metal Gear for Arduino RC Plane 10 Pcs

Product ID: 98268803

Details

Brand
Smraza
Item Weight
0.16 kg
Manufacturer
Smraza
Number of Items
10

🔋4.8-6V operating voltage range

⏱️0.08s/60° ultra-fast response

⚙️Metal gears & shaft for durability

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Description

⚡ Gear up your DIY game with unstoppable micro servo power!

POWERFUL TORQUE - Delivers 1.9 kg/cm stall torque, perfect for precise micro-robotics and RC applications.
LIGHTNING FAST MOTION - Achieve rapid 0.08 seconds per 60° rotation for ultra-responsive control in your projects.
UNBREAKABLE PRECISION - Metal gears and shaft eliminate tooth breakage and heat deformation for long-lasting performance.
VERSATILE DIY ESSENTIAL - Ideal for RC planes, robot arms, gliders, and micro-robots—10-pack ensures you never run out of power.
PLUG PLAY COMPATIBILITY - Seamlessly integrates with Arduino, Raspberry Pi, and JR/FUTABA receivers via simple 3-pin PWM hookup.

The Smraza SG90 9G Micro Servo Motor Kit features upgraded metal gears and shaft for enhanced durability, a rapid 0.08s/60° running speed, and 1.9 kg/cm stall torque. Operating between 4.8V and 6V, it offers precise 180° motion control, compatible with Arduino, Raspberry Pi, and popular RC receivers. This 10-piece set is perfect for micro-robots, RC planes, and DIY projects demanding reliable, high-performance servos.

Specifications

ASIN	B07L2SF3R4
Best Sellers Rank	#31,423 in Toys & Games ( See Top 100 in Toys & Games ) #18 in RC Servos
Brand Name	Smraza
Customer Reviews	4.4 4.4 out of 5 stars (1,306)
Item Highlight	180°, 1.9kg·cm torque @6V, 0.08s/60° speed, 4.8–6V,metal motor gear & metal shaft for RC Airplane Robot Arm DIY
Item Weight	0.16 kg
Manufacturer	Smraza
Number of Items	10
Part Number	S51-4-U-F
Unit Count	10 Count

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€ 44.67

Duties & taxes included

In stock

Sold byAmazon SlovakiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Slovakia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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