Norton 614636-87570 Machine Knife Stone 4x1.5 in Crystolon

Product Description

The NORTON 614636-87570 is a dual-grit machine knife stone designed for sharpening and honing industrial cutting blades and machine knives. Built from Crystolon silicon carbide abrasive, this stone delivers fast cutting action on hard tool steels and carbide-tipped edges. The two-sided coarse and fine grit configuration allows technicians to progress from rapid edge removal to a refined, work-ready finish without switching stones. At 4 inches by 1.5 inches, it is sized for bench use and compatible with standard machine knife sharpening fixtures. Maintenance technicians and tool room professionals routinely specify silicon carbide stones for blades that require consistent, repeatable edge geometry.

This stone is suited for industrial maintenance environments where machine knives, slitter blades, and similar production cutting tools require regular edge reconditioning. The compact form factor works well in tool crib settings and at machine-side workstations. It is sold individually by unit of measure, with a minimum order quantity of 5 units per case, making it practical for facilities that maintain a stock of sharpening consumables.

Key Features

• Crystolon silicon carbide abrasive for fast, aggressive stock removal on hard blade steels
• Dual-grit format — coarse side for edge repair and reshaping, fine side for finish honing
• 4 inches by 1.5 inches form factor sized for machine knife sharpening applications
• Consistent abrasive matrix ensures repeatable edge geometry across multiple sharpenings
• Packaged 5 per case for maintenance stocking programs

Compatibility

Designed for use with machine knives and industrial cutting blades requiring dual-grit sharpening stones; sold under model designation JB74.

Installation Notes

Machine knife sharpening stones are used by maintenance technicians and tool room personnel. Always secure the workpiece or stone fixture before applying edge pressure to prevent slipping. Use an appropriate honing fluid or water to flush swarf and extend stone life. Follow the equipment manufacturer's guidelines and applicable facility safety procedures when handling and reconditioning sharp-edged tooling.

Technical Specifications

• Model: JB74
• Size: 4 inches x 1.5 inches
• Material: Crystolon Silicon Carbide
• Grit: Coarse / Fine (dual-sided)
• Weight: 1.2 pounds
• Packaging Quantity: 5 per case
• Unit of Measure: Each

Standard Information

• Brand: NORTON
• Manufacturer Part Number: 614636-87570