TORMEK grinding and honing wheels

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SB-250 Tormek Blackstone View larger

SB-250 Tormek Blackstone

SB-250

New product

- Intended for exotic steel alloys
- can be used to touch up tungsten carbide tool where shape is already established
- grit: F220 (JIS 220)
- Width 50 mm
- Diameter 250 mm
- Central hole diameter 12 mm
- Compatible with Tormek T-7, T-8 (and other grinders like JET etc.)

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In stock

4 702 Kč tax incl.

More info

Tormek Blackstone Silicon has been developed for shaping and sharpening HSS and other exotic alloyed steels. It can also touch up tungsten carbide. It does not offer faster steel removal on ordinary carbon steel that the Tormek Original Grindstone.

- Intended for exotic steel alloys
- can be used to touch up tungsten carbide tool where shape is already established
- grit: F220 (JIS 220)
- Width 50 mm
- Diameter 250 mm
- Central hole diameter 12 mm
- Compatible with Tormek T-7, T-8 (and other grinders like JET etc.)

The combination of abrasive hardness, shape and grain size is optimized to work efficiently at the Tormek system´s low RPM. Its faster material removal is an advantage especially when shaping tools with a large bevel surface, where the grinding pressure is limited, for example, planer blades and woodturning skews.

The grit size 220 is the same as the Tormek Original Grindstone and can be altered to work like 1000 grit stone with the Stone Grader SP-650. Thanks to its sharp and relatively small grains, the Blackstone removes hard steel efficiently even at low grinding pressure. It can even touch up tungsten carbide, where the tool already has an established shape.


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SB-250 Tormek Blackstone

SB-250 Tormek Blackstone

- Intended for exotic steel alloys
- can be used to touch up tungsten carbide tool where shape is already established
- grit: F220 (JIS 220)
- Width 50 mm
- Diameter 250 mm
- Central hole diameter 12 mm
- Compatible with Tormek T-7, T-8 (and other grinders like JET etc.)

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