More about Tungsten Grinders


Piranha II tungsten grinder from Arc-Zone.comAs you know, carries the welding industry’s most complete line up of tungsten electrode sharpeners on the market, from inexpensive hand-held tungsten grinders like the Sharpie(tm) to more robust, precision grinders like the DGP. We also carry a mid-range of grinders like the Pirahna II. You’ve probably seen this grinder other places. In fact, we regularly see this grinder advertised in all the trade publications, and recently noticed a little inconsistency.

In the April 2007 edition of the American Welding Society Product Review section of the magazine, the Piranha II ad says:

“Perfect for nearly all welding applications this portable unit (under 7 lbs) is comapct and durable with no vibration. Grinds .040″ (1.0mm) through 1/8″ (3.2mm) tungsten at any angle from 15 to 45 degrees.”

Now we have nothing against the Piranha II. It’s a good, solid machine. We sell a lot of them. However, the Piranha II does not prepare 1/8″ (3.2mm) tungsten. It used to be manufactured to accommodate the 1/8″ diameter electrode, until it was discovered that the motor was not robust enough to handle that larger diameter– at least not for anything more than occasional use.

So, if you’re looking for a robust tungsten grinder that can handle 1/8″ diameter tungsten, check out the Piranha III, the Neutrix, or the Neutra Liquid Tungsten Grinder….


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