Dewalt DW8809 Zirconia Grinding Wheel 4.5x0.25 5/8-11

Product Description

The DEWALT DW8809 is a zirconia bonded abrasive grinding wheel engineered for aggressive material removal on angle grinders. Measuring 4.5 inches in diameter by 0.25 inches thick with a 5/8-11 arbor thread, this wheel mounts directly to standard right-angle grinders used across fabrication and construction trades. Zirconia alumina abrasive grain cuts faster and runs cooler than standard aluminum oxide, making it suitable for extended grinding sessions on ferrous metals, weld removal, and surface conditioning work. At 0.46 pounds, the wheel is light enough to keep tool fatigue manageable during overhead or vertical grinding tasks.

This grinding wheel is suited for metal fabrication shops, structural steel contractors, pipefitters, plumbers, and general contractors who need consistent stock removal on mild steel, stainless steel, and other ferrous materials. The 4.5-inch diameter fits the most common class of angle grinders found on job sites and in trade shops, and the 5/8-11 threaded arbor is the industry-standard mounting interface for that tool class. It is sold individually and is appropriate for both bench work and field grinding applications.

Key Features

• Zirconia alumina abrasive grain for faster cut rate and extended wheel life versus standard aluminum oxide
• 4.5-inch diameter fits standard compact angle grinders with 5/8-11 arbor
• 0.25-inch thickness provides a stable grinding profile for weld grinding and surface prep
• 5/8-11 threaded arbor — the industry-standard interface for 4.5-inch angle grinders
• Lightweight at 0.46 pounds, reducing tool-end fatigue during extended use

Compatibility

Designed as a direct-mount replacement or consumable grinding wheel for 4.5-inch angle grinders equipped with a 5/8-11 threaded spindle, which is the standard arbor size for this class of grinder across major tool brands.

Installation Notes

Installation and wheel changes must be performed by a qualified operator following ANSI B7.1 safe use standards for abrasive wheels. Always power down and unplug or de-energize the angle grinder before mounting or removing a grinding wheel. Inspect the wheel for cracks or damage before each use and never operate above the maximum RPM rating marked on the wheel. Ensure the guard is properly positioned before starting the grinder.

Technical Specifications

• Abrasive Type: Zirconia Alumina Bonded Abrasive
• Wheel Diameter: 4.5 inches
• Wheel Thickness: 0.25 inches
• Arbor Size: 5/8-11
• Weight: 0.46 pounds
• UPC: 028877441917
• Sold As: Each
• Minimum Order Quantity: 10

Standard Information

• Brand: DEWALT
• Manufacturer Part Number: DW8809