Norton 66253344384 Round Tip Cone 20 Grit 5/8-11 Arbor

Product Description

The NORTON 66253344384 is a Type 17R round tip cone abrasive designed for aggressive stock removal on metal and other hard materials. It uses a zirconia alumina abrasive material at 20 grit, placing it firmly in the very coarse grade range for fast cutting action. The 5/8-11 threaded arbor hole mounts directly to standard angle grinders and die grinders used by welders, fabricators, and maintenance technicians. With a maximum operating speed of 18,145 RPM, it is built for high-speed grinding applications where material removal rate matters most.

This round tip cone is suited for weld blending, deburring, and surface preparation on structural steel, fabricated components, and cast metal parts. The cone shape allows access to contoured surfaces, inside corners, and irregular profiles that flat wheels cannot reach efficiently. It is a common choice in metal fabrication shops, industrial maintenance environments, and any application requiring rapid material removal in confined or curved geometries.

Key Features

• Type 17R round tip cone geometry for access to contoured and recessed surfaces
• Zirconia alumina abrasive material for fast, aggressive cutting on metal
• 20 grit, very coarse grade for maximum stock removal rate
• 5/8-11 threaded arbor hole fits standard angle and die grinder spindles
• 18,145 RPM maximum operating speed for high-speed tool compatibility
• Minimum diameter of 3/4 inch for use in tight or contoured work areas

Compatibility

Designed for use on angle grinders and die grinders with a 5/8-11 threaded spindle. Suited for metal grinding, weld blending, and surface preparation applications requiring a round tip cone profile.

Installation Notes

Installation and operation should be performed by personnel familiar with abrasive wheel safety. Always confirm the tool spindle speed does not exceed the 18,145 RPM maximum rated speed of the wheel before mounting. Power down and disconnect the grinder before mounting or removing the cone. Inspect the abrasive for cracks or damage before each use and follow ANSI B7.1 safety requirements for the use, care, and protection of abrasive wheels.