Tormek Original Grindstone SG-250
Are you looking for a reliable all-around grinding wheel for your Tormek T-8?
What if one stone could handle coarse shaping and fine sharpening without changing wheels?
Meet the Tormek SG-250 Original Grindstone, the versatile 220–1000 grit wheel included with every T-8. It’s built to deliver efficient steel removal, smooth surface finishing, and long service life.
With its aluminum oxide composition and stable, true-running structure, it works consistently across common tool steels, including HSS.
When one wheel handles most of your sharpening—from shaping to finishing—your workflow stays simple and your results stay predictable.

A Trusted All-Round Grindstone for the Tormek T-8
The SG-250 is the wheel you choose when you want one stone to handle both material removal and fine sharpening on the Tormek T-8.
- Adjustable grit performance (220–1000) using the SP-650 Stone Grader.
- Long service life, often lasting many years of regular use.
- Fully truable with the TT-50 Truing Tool for restoring flatness and aggressiveness.
- Works with most tool steels, including HSS.
- Included with the Tormek T-8; fits T-8, T-7, and earlier 250 mm systems.
Specs
Specifications — Tormek SG-250 Original Grindstone
- Diameter: 250 mm (9 13/16")
- Width: 50 mm (1 15/16")
- Weight: 5.18 kg (11.42 lb)
- Color: Gray
- Material: Aluminum oxide
- Grit: Adjustable range equivalent to 220–1000 grit
- Warranty: 2 years