Pferd 62154 Flap Disc 4.5 in 80 Grit Aluminum Oxide Type 27

Product Description

The PFERD 62154 is a Type 27 coated flap disc engineered for aggressive grinding and blending on steels and stainless steel. It features an aluminum oxide abrasive at 80 grit (medium grade), a fiberglass backing plate, and an arbor hole mount. The disc measures 4.5 inches in diameter with a 7/8 inch center hole and is rated to a maximum speed of 13,300 RPM. It fits standard angle grinders and is sized for everyday use by fabricators, welders, and metal finishing tradespeople who need consistent stock removal without switching tools.

This flap disc is suited for surface grinding, weld blending, and deburring on mild steel and stainless steel in both fabrication shop and field settings. The Type 27 flat profile is the standard choice for flat surface work and inside corners. The aluminum oxide abrasive in the PFERD A SG Steelox series delivers controlled cut rates on ferrous and stainless materials, making it a practical fit for structural steel work, pipe fabrication, and general metal finishing applications.

Key Features

• Aluminum oxide abrasive, 80 grit medium grade for balanced cut and finish
• Type 27 flat profile designed for flat surface grinding and weld blending
• Fiberglass backing plate provides rigidity and disc stability under load
• Rated to 13,300 RPM for use on standard 4.5 inch angle grinders
• 7/8 inch arbor hole fits most common angle grinder spindles
• Suitable for steels and stainless steel per PFERD A SG Steelox series designation

Compatibility

Designed for use on angle grinders accepting a 4.5 inch disc with a 7/8 inch arbor hole. Rated material applications include steels and stainless steel per the supplier specification for this series.

Installation Notes

Installation is performed by a qualified operator or grinding equipment technician. Confirm the grinder's rated RPM meets or exceeds the disc's maximum RPM rating before mounting. Power down and unplug or lock out the grinder before mounting or changing the disc. Always install and torque the backing flange and nut per the grinder manufacturer's guidelines, and inspect the disc for cracks or damage before each use.