Your pictures shows a plastic connector between the motor and collet, how well do you think it handle the reciprocal motion?

It seems to be functioning quite well and I have put several hours on mine

What is the stroke length? How many strokes per minute minimum and maximum?

This is ultrasonic and not profiler

Is there any warranty?

I'm not sure if there is a warranty but considering the price is not even one quarter of the price on most ultrasonics l considerate a good investment are you smiling regularly with no issues

What kind of air coupler is used in this item?

That is an excellent question. The air coupler is not recognizable to me and doesn't fit any connections that I know of (industrial, automotive or ARO), and there is no way to switch it out, so probably going to have to return the item.

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SI FANG Turbine Reciprocating Pneumatic Ultrasound Grinder Micro Pneumatic Air Pencil Die Grinder Kit for Mould Metal Lapping Filing Grinding Buffing Polishing Sanding Tools

Product ID: 320778364

Details

Brand
SI FANG
Colour
Blue
Material
Metal Plastic
Power source
Air Powered
Style
Portable Micro

💨90 PSI air pressure, 0.08 m³/min air consumption

🔇Low vibration & noise

⚙️28,000 RPM max speed

€ 138.02

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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

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Description

⚡ Elevate your craft with ultrasonic precision — don’t let your projects settle for less!

OIL FREE OPERATION - No lubricating oil needed—maintenance simplified for busy pros.
COMPACT ERGONOMIC DESIGN - Lightweight 210mm pen-style tool for fatigue-free, detailed work in tight spaces.
HIGH TORQUE PNEUMATIC POWER - Turbo turbine engine delivers consistent speed and torque for industrial-grade surface treatment.
VERSATILE TOOL COMPATIBILITY - Supports various grinding bits and files for polishing, filing, lapping, and deburring.
PRECISION ULTRASONIC GRINDING - Achieve mirror-smooth mold and metal finishes with 30,000 RPN ultrasonic oscillations.

The SI FANG Turbine Reciprocating Pneumatic Ultrasound Grinder is a high-speed, air-powered micro grinder designed for professional mold, metal, and jewelry surface finishing. Operating at up to 28,000 RPM with 90 PSI air pressure, it delivers precise ultrasonic oscillations that reduce surface roughness rapidly without heat buildup. Its compact, low-vibration design supports various grinding tools without the need for lubricating oil, making it ideal for detailed polishing, filing, and deburring tasks in industrial and fine craftsmanship settings.

Specifications

ASIN	B07SJZKVX2
Brand	SI FANG
Brand Name	SI FANG
Color	Blue
Colour	Blue
Customer Reviews	4.1 out of 5 stars 61 Reviews
Item Weight	0.59 Kilograms
Item weight	0.59 Kilograms
Manufacturer	SI FANG
Material	Metal, Plastic
Material Type	Metal, Plastic
Maximum Rotational Speed	28000 RPM
Model Number	0c87c32d-ba14-47a3-bb38-e35c90594921
Number of Items	1
Number of Packs	1
Power Source	Air Powered
Power source	Air Powered
Style	Portable,Micro
Style Name	Portable,Micro
Unit Count	1.0 Count

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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I loved the variety of products available. Will definitely shop again.

2 months ago

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€ 138.02

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered 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 Croatia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

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