Tru-maxx 66254443443 Flap Disc 60 Grit 4.5 in Type 29

Product Description

The TRU-MAXX 66254443443 is a Type 29 zirconia alumina flap disc designed for aggressive grinding and blending on metal surfaces. Measuring 4.5 inches in diameter with a 7/8 inch arbor hole, it mounts directly to standard angle grinders. The conical Type 29 profile keeps the abrasive surface angled into the workpiece, making it well suited for contoured surfaces and edge work. Rated at 13,300 RPM maximum, the disc uses a poly-cotton backing with high-density flap construction to maintain consistent cut rate as the abrasive wears. Medium grade 60 grit provides a balance between stock removal and surface finish on steel and stainless steel.

This flap disc is used in fabrication shops, maintenance operations, and field metalwork where angle grinder access is required. It is appropriate for grinding welds, deburring edges, and surface preparation on steels and stainless steel. The blue zirconia alumina abrasive resists heat buildup better than standard aluminum oxide, which extends disc life in continuous-use applications. Metalworkers, welders, pipefitters, and maintenance technicians are the primary installers and operators of this disc type.

Key Features

• Type 29 conical profile for aggressive stock removal on flat and contoured surfaces
• 60 grit medium grade zirconia alumina abrasive for balanced cut rate and finish
• 7/8 inch arbor hole fits standard angle grinder spindles
• 13,300 RPM maximum speed rating
• High-density poly-cotton backing for durability and consistent flap support
• Rated for use on steels and stainless steel

Compatibility

Designed for use on steels and stainless steel. Fits standard 4.5 inch angle grinders with a 7/8 inch arbor spindle.

Installation Notes

Install and operate this disc only on angle grinders rated at or above the disc maximum RPM of 13,300. Inspect the disc for damage before each use and do not use a disc that shows cracking, missing flaps, or a deformed backing plate. Always fit and tighten the arbor nut securely before powering on the grinder. Wear appropriate PPE including a face shield, gloves, and hearing protection during operation.