has a little screw on the opposite side of the trigger, what is that for?

It's an adjustable valve,you can adjust the speed of the grinding tool by turning this screw.

Can i use it with campbell hausfeld fp209501 110 max psi air compressor? as other belt sanders rated for more powerful compressors.

Yes, it can work with the tool which you mention. But please notice that the standard working pressure of this product is 90PSI, too high or low air pressure will make a poor performance!

Can this sander fit in a 3/4" square opening? To sand off aluminum burrs from the inside of a 1" square tube.

Yes it will do that, but a bit tight as the overall head width is just under 1/2".

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Pneumatic Tool Air Belt Sander,1/4" Air Inlet,Air Belt Sander (3/8" x 13") with 12pc Belts (#40，#60，80#，120#),3/8" Air Belt Grinder For Aluminium, Iron, Steel And Etc. Metal Polishing

Product ID: 214369037

Details

AC Adapter Current
4.5 Amps
Brand
Minimprover
Grit Number
80
Grit Type
Coarse Medium
Power Source
Air Powered

💨1/4" air inlet for efficient airflow

⚙️14000 RPM high-speed power

🛠️12 versatile sanding belts included

¥13407

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡️ Power through every project with precision and style!

ALL IN ONE SANDING KIT - Comes with 12 premium belts (#40 to #120 grit) to tackle every surface and texture.
BUILT TO LAST RESIST - Crafted from high-grade stainless steel for rust, corrosion, and pressure resistance.
ERGONOMIC FATIGUE FREE - Designed with a knurled, non-slip handle and metal trigger for comfortable, long shifts.
PRECISION AT LIGHTNING SPEED - Experience ultra-fast 14000 RPM for flawless metal and wood finishing.
VERSATILE INDUSTRY POWERHOUSE - Perfect for metal, wood, plastics, leather, and more—your go-to tool for professional-grade polishing.

The Pneumatic Tool Air Belt Sander features a robust 14000 RPM motor powered by a 1/4" air inlet, delivering high-speed, low-vibration sanding. Made from durable stainless steel, it includes 12 sanding belts ranging from coarse to very fine grits, making it ideal for polishing and grinding metals, plastics, wood, and more. Its ergonomic design ensures comfort during extended use, making it a versatile and reliable tool for professionals across multiple industries.

Specifications

ASIN	B08C6Z6LS3
Amperage Capacity	4.5 Amps
Best Sellers Rank	#146,569 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #47 in Power Belt Sanders
Brand Name	Minimprover
Customer Reviews	4.0 4.0 out of 5 stars (321)
Grit Number	80
Grit Type	Coarse, Medium, Fine, Very Fine
Item Weight	0.99 Kilograms
Manufacturer	Minimprover
Manufacturer Part Number	H042-14
Maximum Rotational Speed	14000 RPM
Model Number	4a0eeab9-1477-4b8a-8f7d-036712c543d3
Power Source	Air Powered
Shape	rectangular prism
UPC	779605311391
Unit Count	12.0 Count

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¥13407

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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