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The Tormek Original Grindstone has evolved over the years to offer the best combination of efficient steel removal, smooth surface finish and a long life. SG-250 is delivered as standard with Tormek T-8.
This grinding stone is the ideal choice when you want both efficient steel removal and a fine finish in the same stone over a wide variety of materials, from carbon steel to high speed steel. It works with all types of tools and steel qualities including HSS.
The Tormek grindstone differ from a standard grinding wheel in more than one way. The unique composition of this stone, together with the Stone Grader SP-650 gives you two different cutting actions in one grindstone. The Stone grader polishes the surface of the grindstone from its normal 220 grit to a finish that works like a 1000 grit stone. This is a great advantage, since you can do the fine sharpening* with the same setting of the jig as used for the initial shaping* of the tool.
* A distinction should be made between the shaping and sharpening of a tool. When shaping you remove steel to achieve the shape and edge angle you want. When sharpening you just touch up an existing shape to renew the sharpness.