
Ultrasonic Pneumatic Air Micro Reciprocating Oscillating File Grinder Pneumatic Air Pencil Die For Mould Polishing
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This is a pneumatic pencil grinder: a slim 210mm air-powered tool with a 1/8-inch (3mm) collet that spins up to 28,000 RPM at 0.6 MPa. It is built for fine work in tight spots — mold polishing, deburring, port cleanup and light die work — where a full-size die grinder will not fit. It runs on shop air through a 1/4-inch inlet, so it needs a compressor and hose, not a wall outlet. Compared with electric rotary tools it is lighter and narrower and does not heat up in the hand, but it gives up the variable speed dial and the portability.
In stockSold by Yisheng Department StoreReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
This pneumatic air file grinder is a pencil-style tool for mould and die polishing. It runs on compressed air and uses a reciprocating, oscillating action.
The body is made of metal and plastic and is 210 mm long. It has a 1/4" air inlet and takes 1/8" (3 mm) tools in its collet.



