M390 Steel Sharpening Test on Tormek T8 | Comparing Original vs Diamond Stones

In this video, we test the performance of the Tormek T8 sharpening system on M390 steel, using its original stone versus an upgraded diamond stone. Starting with a worn-down stone, we walk through flattening it, setting angles, and ultimately sharpening a high-quality pocket knife.

The results? A dramatic difference in sharpness, from 930 to just 50 on the sharpness tester! We also discuss the pros and cons of traditional stones versus diamond stones, including durability and wear. If you're curious about sharpening high-grade steels like M390 or looking for the best setup for your Tormek T8, this video is for you.

👉 Watch to see why upgrading to diamond stones might be worth it for your sharpening setup!

Timestamps:
00:00 - Overview of M390 Steel Sharpening
00:32 - Flattening the Original Stone
01:30 - Testing Knife Sharpness Before Sharpening
02:20 - Sharpening Results & Performance Test
02:50 - Why Diamond Stones Are Better

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