How much current does the motor require? Could it be powered with an arduino or would I need a separate motor controller?

For light loads 1/8-1/4A but can spike to 850mA if you try to stall it. Even at 3V, though the RPM's will be lower these motors have decent amount of torque. Probably best for ~5V applications, at 12V they scream. And likely best with a PWM controller, especially at higher voltages.

I can see two threaded holes on the same side as the shaft. What are the size of the Screws that fit the holes?

They will be metric. Most of these little motors use a 2.6 mm screw.

What’s the best way to make the shaft adhere to the whee I choose? It’s perfectly smooth and I can’t imagine it do anything but spinning in place.

You could grind a bit of a flat along the shaft. Then a set screw or for light duty, just some glue should drive it.

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Dc Motor 3V-12V 280 Micro Motor 42 x 24 mm for RC Boat Model Toys Diy (Pack of 5)

Dc Motor 3V-12V 280 Micro Motor 42 x 24 mm for RC Boat Model Toys Diy (Pack of 5)

Product ID: 35515903

Details

Brand
Swhmc
Material
Metal
Product Dimensions
0.94"W x
Speed
13000 RPM
Voltage
12 Volts

⚡3V-12V versatile voltage

📏Compact 42x24 mm size

🔄Up to 13,000 RPM high speed

281 Lei

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Description

🚤 Power your passion with micro motors that race ahead!

COMPACT YET MIGHTY - Sleek 42 x 24 mm design fits seamlessly into tight spaces without compromising power.
BULK PACK ADVANTAGE - Set of 5 motors means you’re always ready to upgrade, replace, or experiment without delay.
DURABLE METAL BUILD - Robust metal construction ensures longevity and reliable performance under pressure.
UNLEASH HIGH SPEED PERFORMANCE - Blazing speeds up to 13,000 RPM for ultra-responsive RC boats and models.
POWER YOUR PROJECTS WITH PRECISION - Wide 3V-12V voltage range adapts to your DIY needs effortlessly.

This pack of five 280 micro DC motors delivers versatile 3V-12V operation with speeds reaching 13,000 RPM. Measuring a compact 42 x 24 mm and built with durable metal, these motors are ideal for RC boats, model toys, and DIY projects requiring reliable, high-speed performance.

Specifications

ASIN	B01M0XOOS5
Best Sellers Rank	#185,437 in Toys & Games ( See Top 100 in Toys & Games ) #278 in RC Electric Motors
Brand Name	Swhmc
Customer Reviews	4.2 4.2 out of 5 stars (205)
Item Dimensions W x H	0.94"W x 1.88"H
Item Weight	0.46 Pounds
Manufacturer	Swhmc
Material Type	Metal
Model	43234-1915
Part Number	43234-1915
Speed	13000 RPM
UPC	744430896337
Voltage	12 Volts

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281 Lei

Duties & taxes included

In stock

Sold byAmazon RomaniaDelivered 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 Romania.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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2 months ago

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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