Norton 63642541406 Flap Disc 6 Inch 40 Grit Type 29

Product Description

The NORTON 63642541406 is a Type 29 ceramic alumina flap disc designed for aggressive stock removal on metal surfaces. Measuring 6 inches in diameter with a 7/8 inch arbor hole, this coarse-grade disc runs at a maximum of 10,200 RPM on compatible angle grinders. The cloth-backed flap construction layers abrasive material over a rigid backing, maintaining consistent cut rate as the disc wears. It is suited for heavy grinding, weld blending, and surface conditioning tasks performed by fabricators, ironworkers, and welders in shop and field environments.

This flap disc is applied in metal fabrication settings where fast material removal and surface finishing are required in a single step. The Type 29 conical geometry provides a larger contact angle than a flat Type 27 disc, making it effective for work on flat and contoured surfaces. Common applications include weld seam grinding, edge chamfering, and scale removal on carbon steel and stainless steel workpieces. Sold as a single disc with a minimum order quantity of 10 units per order.

Key Features

• Ceramic alumina abrasive delivers fast cut rates and extended disc life under high-pressure grinding
• Type 29 conical flap geometry suits flat and contoured workpiece surfaces
• Coarse 40 grit rating for aggressive stock removal and weld blending
• Cloth backing resists tearing and maintains flap integrity through the full disc life
• 10,200 RPM maximum speed rating compatible with standard 6 inch angle grinders
• 7/8 inch arbor hole fits standard grinder spindles without an adapter

Compatibility

Designed as an OEM-style replacement flap disc for use on 6 inch angle grinders fitted with a 7/8 inch arbor spindle.

Installation Notes

Installation and disc changes must be performed by a qualified operator with the grinder powered off and the power source disconnected. Verify that the grinder spindle speed does not exceed the 10,200 RPM maximum rating of this disc before mounting. Inspect the disc for cracks or damage before each use and do not use a damaged disc. Follow ANSI B7.1 safety requirements for the use, care, and protection of abrasive wheels.