PSN-L Email List Message

Subject: RE: Tungsten Pins
From: "David Saum" DSaum@............
Date: Sat, 21 Jun 2008 18:30:08 -0400


I just got some 1/8" diam x 1.5" Mitsubishi C4 carbide rods
from eBay that seem to have a nice polish on them, but under
30x magnification they are covered with fine scratches.

Does anyone have any recommendations for polishing
techniques for carbide rods?  I am guessing that diamond
polish is required.

Dave

> From:    "Gary Lindgren" 
> Date:    Mon, 16 Jun 2008 14:44:34 -0700
>
> Hi Merdith,
>
> I just received my Tungsten Carbide 1/8" rods from Centennial Carbide. The
> surface finish is excellent and needs no further polishing. Not quite a
> mirror finish but very close. I got 10 rods and total cost was $17.30
> including shipping. I would stay away from materials with 'unknown'
> description. How do you repeat a result. There plenty of sources at good
> prices  for both rods and balls.
>
> Gary

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