Genuine factory original equipment Niagara Brand Carborundum heavy-duty industrial bench / pedestal grinding wheel assembly (Model / MPN: HA68C | Part Number: 00683). This premium abrasive component safeguards your workshop's material finishing and tool-sharpening operations by providing an exceptionally uniform, cool-cutting coarse abrasive matrix designed to refine hardened metals. Featuring a 12-inch outer diameter with a thick-walled 2-inch width, it installs easily right onto your heavy-duty pedestal grinder or surface grinding machinery. Sourced from highly durable carborundum abrasive composites, this coarse-grit wheel provides ultra-smooth stock removal and micro-finishing, protecting delicate edge tools and high-strength components from dangerous friction-induced heat damage or surface glazing under rigorous continuous operational stress.

• Key Features: Specialized coarse grain matrix structure for precision sharpening, heavy-duty 2-inch thick configuration for extended surface contact, dependable thermal dispersion to prevent tool burn, and high-stability performance limits.
• Technical Specs: Brand: Niagara / Carborundum | Model / MPN: HA68C | Part Number: 00683 | Grade: Coarse | Outer Diameter (OD): 12 Inches | Thickness / Width: 2 Inches | Arbor Hole Size (ID): 1-1/4 Inches | Maximum Speed: 2,069 RPM.
• Condition Notes: This item is in new, old stock (NOS) warehouse condition. The product face and mounting blotters are physically flawless with zero edge chips, hairline cracks, structural fractures, or moisture compromises. The mounting core is completely clean and ready for direct installation.
• Installation Notes: Always perform a standard "ring test" by gently tapping the unmounted wheel with a non-metallic implement to verify internal structural integrity prior to seating. Slide onto a matching 1-1/4" machine spindle, ensuring the compressed safety blotters are placed securely on both sides of the wheel between the matching steel cleaner flanges. Tighten the arbor nut firmly enough to prevent slippage without over-torquing, position your tool rest within 1/8-inch of the abrasive face, and always operate behind protective machine shielding at full spin for at least one minute before applying workpieces. Never exceed the maximum structural rating of 2,069 RPM. Message with any questions!