Pferd 67343 Flap Disc 40 Grit Zirconia Alumina Type 27

Product Description

The PFERD 67343 is a Type 27 zirconia alumina flap disc engineered for aggressive material removal on steel and stainless steel surfaces. Measuring 5 inches in diameter with a 7/8-inch arbor hole, it runs at a maximum of 12,200 RPM and carries a coarse 40-grit rating. The overlapping abrasive flaps conform to contours while delivering consistent stock removal across flat and slightly recessed surfaces. A fiberglass backing plate provides rigidity and durability under sustained grinding loads. The trimmable design allows the operator to expose fresh abrasive as the disc wears, extending usable life. Metalworkers, fabricators, and weld-grinding technicians are the primary users of this disc.

This flap disc is suited for grinding, blending, and surface preparation on mild steel and stainless steel workpieces. The Type 27 flat-profile geometry positions the abrasive surface parallel to the work surface, making it effective on flat stock, plate, and structural members. At 40 grit, it removes weld spatter, scale, and base material quickly. The SGP series designation indicates a general-purpose abrasive formulation appropriate for shop fabrication, maintenance welding, and light industrial metal prep applications.

Key Features

• Zirconia alumina abrasive grain for high cut rate and extended disc life on metal
• Type 27 flat-profile design for surface grinding and blending on flat workpieces
• 40-grit coarse grade for rapid material removal and weld cleanup
• Fiberglass backing plate provides structural rigidity under grinding pressure
• Trimmable construction exposes fresh abrasive as flaps wear down
• Rated to 12,200 RPM for use on standard 5-inch angle grinders

Compatibility

Designed for use on angle grinders accepting a 5-inch disc with a 7/8-inch arbor. Suitable for grinding and surface preparation on stainless steel and steel workpieces.

Installation Notes

This disc is installed by a metalworker or fabricator on a compatible angle grinder. Ensure the grinder is unplugged or the battery removed before mounting the disc. Verify that the tool's rated RPM meets or exceeds 12,200 RPM and that the guard is properly installed before operation. Always follow ANSI B7.1 safety standards for abrasive wheel mounting and use appropriate personal protective equipment including face shield and gloves.