what size clamp goes on the air inlet hose?

These are junk! They will not accept an 1/8" tool as advertised.

1/8" Collet? yes this is not 1/8" it's undersized. Has anyone tried finding a replacement 1/8" collet that works and fits inside? if so what one?

OP is correct that it will NOT accept a 1/8" diameter bit. 5 minute simple fix, run a 1/8" drill bit through it followed by a reamer. Working fine. I would agree that this isn't something that you should have to do but remember, it is made in CHINA.

Can it take a 1/4” collet?

I don’t think so. And it probably doesn’t have enough torque to work with a 1/4” shafted tool. Just my two cents. Great little air die though, for the price.

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1/8" (3mm) Air Micro Grinder, Pneumatic Pencil Die Grinder, 58000 RPM Free Speed

1/8" (3mm) Air Micro Grinder, Pneumatic Pencil Die Grinder, 58000 RPM Free Speed

Product ID: 24069413

Details

Brand
Valianto
Color
Sky Blue
Power Source
air-powered
Recommended Uses For Product
Grinding
Special Feature
Heavy Duty

💨2 CFM air consumption efficiency

⚙️58000 RPM ultra-high speed

🛠️1/8" (3mm) precision collet size

S$80

Duties & taxes included

In stock

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Description

⚡ Grind like a pro, finish like a boss!

VERSATILE MASTERY - Ideal for metal, plastic, stone, wood, jewelry, and automotive parts—your go-to tool for professional-grade precision.
ALL IN ONE PRO KIT - Comes with 17 essential accessories including 10 mounted stones and mini oiler—ready to tackle any detail job.
EFFORTLESS CONTROL - Variable speed throttle lets you dial in the perfect grind for every project with surgical precision.
DURABILITY MEETS COMFORT - Lightweight pencil design with a rear exhaust and hose protector reduces noise and chip scatter for safer, cleaner work.
PRECISION AT LIGHTNING SPEED - Experience 58,000 RPM free speed for flawless, high-speed metal and material finishing.

The Valianto 1/8" Air Micro Grinder is a lightweight, pneumatic pencil die grinder delivering an impressive 58,000 RPM free speed with 2 CFM air consumption. Featuring a 3mm precision collet and variable speed throttle, it offers superior control for detailed grinding, polishing, and cutting across metals, plastics, stone, and wood. The kit includes 17 professional-grade accessories, a hose protector, and rear exhaust design to minimize noise and debris, making it perfect for hobbyists and pros seeking high-speed precision and durability.

Specifications

ASIN	B017K9I7E4
Best Sellers Rank	#427,563 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #6 in Air Powered Grinders #143 in Power Die Grinders
Brand Name	Valianto
Color	Sky Blue Pencil
Customer Reviews	4.0 4.0 out of 5 stars (248)
Included Components	1 x Micro Air Grinder, 1 x Mini- Oiler, 1 x 52 'air hoses, 1 x Oil Pot(without oil), 2 x Hand Wrenches, 10 x Mounted Stones, 1 x 1/4' FNPT connector, The kit came in the blue plastic case, total 17pcs.
Item Weight	0.7 kg
Manufacturer	Valianto
Manufacturer Part Number	0186838
Maximum Rotational Speed	58000 rpm
Minimum Speed	58000 rpm
Other Special Features of the Product	Heavy Duty, Lightweight, Variable Speed
Power Source	air-powered
Recommended Uses For Product	Grinding, Polishing
Style Name	Pencil
UPC	703510806154

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