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Bosch X-LOCK R444 Expert for Metal grinding disc, 125 mm diameter with coarse K24 grit, is designed for material removal and preparation tasks on metal surfaces. It fits angle grinders with the X-LOCK quick-change system and is suitable for work on steel, cast iron, aluminium and other non-ferrous metals where aggressive stock removal or deburring is required.

Advantages

The Bosch X-LOCK R444 offers a robust abrasive formulation for fast material removal, consistent performance on different metal types and compatibility with X-LOCK systems for quick and tool-free disc changes. Its 125 mm size provides a balance between access in tighter spaces and efficient surface coverage.

Suitable for

• Deburring metal edges
• Removing rust and scale from steel and cast iron
• Preparing weld seams and edges
• Shaping and rough grinding on aluminium and non-ferrous metals

Key specifications

• Brand: Bosch
• Model: X-LOCK R444 Expert for Metal
• Manufacturer part number (MPN): 2608619171
• EAN: 3165140960151
• Product type: Grinding/disc polishing wheel
• Diameter: 125 mm
• Grit: K24 (coarse)

How to use

Mount the disc onto an X-LOCK-compatible angle grinder following the tool manufacturer's safety instructions. Securely lock the disc with the X-LOCK mechanism, wear appropriate personal protective equipment (gloves, eye and ear protection, dust mask) and operate the grinder at the recommended speed. Apply steady, even pressure and move the disc across the workpiece to remove material or prepare edges; avoid excessive pressure that could overheat the disc or workpiece.

Recommendations

Use the R444 K24 disc for aggressive material removal and initial surface preparation. For finer finishing, switch to a higher-grit abrasive. Inspect the disc before use for damage and replace when worn. Follow the angle grinder and disc safety ratings and speed limits.