Norton 66260273586 Surface Grinding Wheel 220 Grit 4 in

Product Description

The NORTON 66260273586 is a Type 1A1 diamond surface grinding wheel designed for precision flat grinding and finishing applications. Built with a synthetic diamond abrasive and a resinoid bond, this wheel delivers consistent material removal at a very fine 220 grit rating. It measures 4 inches in diameter, 1/16 inch thick, with a 1-1/4 inch hole size, and carries a soft hardness rating (Code R) with 100 percent superabrasive concentration. The 1/4 inch superabrasive depth provides extended wheel life during finishing operations. Suitable for use in both wet and dry grinding conditions, this wheel is sized for bench and surface grinders used in tool rooms, machine shops, and precision grinding environments.

This wheel is intended for finishing operations on hard and brittle materials where tight tolerances and fine surface finishes are required. Its Type 1A1 straight wheel profile fits standard surface grinder spindles with a 1-1/4 inch arbor. The very fine 220 grit makes it appropriate for final-pass material removal rather than aggressive stock reduction. Machinists, tool grinders, and precision fabricators working with carbide, ceramics, glass, or similarly hard substrates will find this wheel suited to their finishing stage workflow.

Key Features

• Synthetic diamond abrasive provides long-lasting cutting performance on hard, brittle materials
• 220 grit very fine grade suited for finishing and final-pass surface work
• Resinoid bond offers controlled cut rate with good surface finish results
• Type 1A1 straight wheel profile with no recess and no taper for broad spindle compatibility
• Rated for both wet and dry operation, supporting coolant use or dry grinding as needed
• Soft wheel hardness (Code R) helps prevent glazing when grinding hard workpiece materials

Compatibility

Designed as an OEM-style replacement or direct-fit grinding wheel for surface grinders and bench grinders accepting a 1-1/4 inch arbor hole and Type 1A1 straight wheel geometry.

Installation Notes

Installation should be performed by a qualified machinist or tool room technician. Power down and lock out the grinder before mounting or removing any grinding wheel. Inspect the wheel for cracks or chips before installation and perform a ring test per ANSI B7.1 guidelines. Use proper flanges and never exceed the wheel's rated maximum operating speed.