Tru-maxx 66254443423 Flap Disc 80 Grit 5 in Type 29

Product Description

The TRU-MAXX 66254443423 is a Type 29 zirconia alumina flap disc designed for aggressive material removal and surface blending on metal. The conical Type 29 profile maintains a consistent contact angle during use, making it well suited for beveling, weld removal, and edge deburring. It runs at a maximum of 12,200 RPM on a 5-inch angle grinder, mounts via a 7/8-inch arbor hole, and carries an 80-grit medium-grade abrasive on a poly-cotton backing supported by a fiberglass backing plate. Fabricators, welders, and metal finishing trades reach for this disc when working steel and stainless steel where a flat Type 27 profile is less effective.

This disc is intended for use on steel and stainless steel in fabrication, maintenance, and structural welding applications. The Type 29 geometry delivers higher stock removal rates on flat and contoured surfaces compared to a standard flat disc. Typical applications include beveling plate edges before welding, grinding down weld beads, and deburring cut edges on structural steel components. It is part of the GP-Z series and is packaged individually.

Key Features

• Type 29 conical profile for aggressive contact angle on flat and contoured surfaces
• Zirconia alumina abrasive delivers consistent cut rate on steel and stainless steel
• 80-grit medium grade balances stock removal with surface finish
• Poly-cotton flap backing with fiberglass backing plate for durability under load
• 12,200 RPM maximum speed rated for standard 5-inch angle grinders
• 7/8-inch arbor hole fits common grinder spindle sizes

Compatibility

Designed for use with 5-inch angle grinders equipped with a 7/8-inch arbor spindle. Suitable for material removal and finishing on steel and stainless steel. Rated for applications including beveling, weld removal, and edge deburring per the GP-Z series specification.

Installation Notes

Install this disc on a 5-inch angle grinder rated at or above 12,200 RPM. Confirm the grinder spindle thread and arbor size match before mounting. Inspect the disc for damage before each use and do not operate a cracked or delaminated disc. Wear appropriate PPE including a face shield, gloves, and hearing protection during operation, and ensure the grinder guard is in place.