Optigrind
8" x 1" CBN Grinding Wheel for 8" Slow-Speed Grinders
Item
159099
Model Optigrind Wheel Kit
Cubic boron nitride (CBN) is the coating used on this OptiGrind® steel wheel. It is superior in every measurable way for grinding hardened steels – far better than aluminum oxide wheels and diamond coated wheels. How so? CBN is a good conductor of heat so most of the heat generated by...
Details
Cubic boron nitride (CBN) is the coating used on this OptiGrind® steel wheel. It is superior in every measurable way for grinding hardened steels – far better than aluminum oxide wheels and diamond coated wheels. How so? CBN is a good conductor of heat so most of the heat generated by grinding is dispersed quickly. The wheel is balanced, flat and true – it will never require dressing. The coating is tough – it will not come off (we’ve tried)! CBN is four times harder than aluminum oxide and while not as hard as diamond, CBN won’t form carbides with the steel it’s grinding as diamonds will, which means that it will last a long, long time. Finally, the wheel won’t break or fracture, won’t come apart, and generates little if any sparks. The OptiGrind is 170/200-grit, which is optimal for effective stock removal and sharpening without being overly aggressive. It is a full 1" wide with one flat face coated about 3/4" from the edge. We offer the OptiGrind® wheel and special flange as a single unit to fit a 5/8" arbor, such as the one on our Rikon (158512) Slow-Speed Grinder.
- Superior for grinding hardened steels
- CBN coating is four times harder than aluminum oxide coatings
- CBN coating won’t form carbides with steel as diamonds will during grinding
- 170/200-grit – optimal for effective stock removal and sharpening but not overly aggressive
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