Diablo DCX045040N01F Steel Demon Flap Disc 40 Grit

Product Description

The DIABLO DCX045040N01F is a 4.5-inch Type 29 flap disc engineered for aggressive material removal on steel and metal surfaces. Built with a zirconium grain blend, this disc delivers significantly faster stock removal compared to standard grinding wheels. The overlapping flap design provides flex during use, producing a cushioned grinding action that reduces gouging and operator fatigue. Metalworkers, fabricators, and pipefitters reach for this disc when they need to grind and blend in a single pass without swapping attachments. It fits standard 4.5-inch angle grinders and is suited for grinding, blending, and finishing on ferrous metals.

This flap disc is designed for use on steel fabrication, structural metalwork, pipe, and weld seam removal applications. The Type 29 angled design makes it effective for both flat surface work and contour grinding on beveled or curved workpieces. It is a common choice in manufacturing shops, ironwork, and field fabrication environments where speed and surface finish quality both matter. The 40-grit rating places it firmly in the aggressive stock removal range, making it appropriate for heavy weld grinding, scale removal, and surface conditioning on carbon steel.

Key Features

• Zirconium grain blend for high-speed material removal on steel
• Type 29 angled disc geometry for flat and contour grinding
• 40 grit rating suited for aggressive stock removal and weld grinding
• Overlapping flap construction delivers a cushioned, flexible grinding action
• Combines grinding and blending steps in a single pass
• 4.5-inch diameter fits standard angle grinders

Compatibility

Designed as a Type 29 replacement flap disc for use on standard 4.5-inch angle grinders in steel and ferrous metal grinding applications.

Installation Notes

Disc installation and removal should be performed with the grinder disconnected from power or the battery removed. Mount the flap disc securely using the appropriate arbor nut and backing flange per the grinder manufacturer specifications. Always confirm the disc speed rating meets or exceeds the grinder RPM before operation. Wear appropriate PPE including face shield, gloves, and hearing protection during use.

Technical Specifications

• Disc Diameter: 4.5 inches
• Disc Type: Type 29
• Grit: 40
• Abrasive Grain: Zirconium Blend
• UPC: 008925094036

Standard Information

• Brand: DIABLO
• Manufacturer Part Number: DCX045040N01F