Bosch AVZ 70 RT4 Carbide-Riff Grout and Mortar Remover - 2609256C51

The Bosch AVZ 70 RT4 oscillating multitool blade is designed for efficient removal of mortar and t...

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B&QB&Q - Starlock Avz 70 Rt4 Carbide-Riff Grout And Mortar Remover 3 Max 2609256C51
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Product Information

Full details

The Bosch AVZ 70 RT4 is a versatile, high-performance Starlock accessory designed for professionals and DIY enthusiasts tackling tile renovation, grout removal, and mortar cleanup. Its key benefit lies in the robust carbide grit construction and a 3-in-1 design that allows users to route joints, access tight corners, and sand away residual adhesives efficiently; however, it is important to note that this blade requires a compatible Starlock oscillating multitool to achieve optimal power transfer.

All features

Model Part Number2609256C51
BrandBosch

Extended Product Information

FAQs

Is this blade compatible with all oscillating tools?

It is compatible with all tools utilizing the Starlock mounting system. Older non-Starlock tools may require a specific adapter.

Can I use this on natural stone tiles?

The blade is primarily designed for grout, mortar, epoxy, and cement-bonded materials. Using it on very soft or highly polished natural stone may cause surface scratching.

How do I remove residue from the blade?

Use a stiff wire brush to gently scrub the carbide surface while the tool is unplugged to dislodge trapped mortar.

What is the diameter of the blade?

The blade features a 7 cm (70mm) diameter.

Does this work for removing epoxy grout?

Yes, the carbide grit is effective at grinding down epoxy and glass-fiber reinforced plastics.

Troubleshooting

Blade vibrates excessively or cuts slowly

Ensure the Starlock mount is fully seated and locked; check if the carbide grit has become clogged with debris.

Blade is difficult to attach to the tool

Clear any dust or residual material from the tool's spindle and the blade's star interface.

Pros and Cons

Pros

  • Durable carbide construction ensures a long lifespan
  • Versatile design reduces the need to switch between multiple accessories
  • Starlock system allows for quick and secure blade changes
  • Excellent for precision work in tight corners

Cons

  • Not compatible with older non-Starlock mounting systems without an adapter
  • Single-piece pack may require spares for large-scale projects
  • Carbide grit can be aggressive on delicate surrounding surfaces if not handled carefully

Setup, Compatibility & Care

To install the blade, align the star-shaped mounting interface of the AVZ 70 RT4 with your oscillating tool's spindle and press until it clicks into place. This blade is part of the Starlock ecosystem, which is backward-compatible with many Bosch StarlockPlus and StarlockMax tools.

Care Instructions:

  • Avoid applying excessive downward pressure; let the carbide grit do the work to prevent overheating.
  • Clean the blade after use with a wire brush to remove trapped mortar dust.
  • Inspect the blade for carbide grit wear periodically; if the grit is stripped, replace the blade to maintain efficient cutting speeds.

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