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Grinding disc Bosch X-LOCK R444 Expert for metal, 125 mm diameter, K60 grit. Designed for use with X-LOCK angle grinders, this disc provides material removal and surface preparation on steel and other ferrous metals. The R444 construction balances cutting speed and lifespan for general metalworking tasks such as deburring, weld removal and edge blending.

Advantages

The Bosch X-LOCK R444 Expert grinding disc offers consistent abrasive performance and a secure X-LOCK mounting for quick attachment and removal. Its K60 grit ensures effective material removal while maintaining a reasonable service life, and the 125 mm size suits common angle grinder applications. The disc is compatible with tasks on steel and other ferrous metals and supports controlled surface preparation.

Suitable for

Key specifications

How to use

Fit the disc to an X-LOCK-compatible angle grinder following the tool manufacturer's safety instructions. Ensure the grinder is disconnected from power when mounting. Secure the disc on the 22.23 mm arbor using the X-LOCK quick-change system. Operate the grinder at the recommended speed and apply steady, even pressure over the workpiece while keeping the disc angle appropriate for the task. Allow the abrasive to do the cutting; avoid excessive force that can overheat the workpiece or wear the disc prematurely. Wear suitable personal protective equipment including eye, hand and respiratory protection.

Recommendations

Use the Bosch X-LOCK R444 Expert K60 disc for medium material removal on steel and other ferrous metals. For stainless steel or non-ferrous metals, check compatibility and select a disc optimized for those materials. Replace the disc when wear reduces cutting performance or if the disc is damaged.