Bosch Expert ACZ 85 RD4 Grout Segment Blade - 85 mm - 10 Pcs
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Product Information
Full details
The Bosch Expert ACZ 85 RD4 Grout Segment Blade is an essential tool for professional tilers and bathroom fitters who require maximum durability when removing grout or making fine adjustments to soft tiles. Built with advanced diamond technology, it offers up to 10 times the lifespan of standard carbide blades, though it is specifically optimized for mortar and soft materials rather than heavy-duty stone cutting.
All features
| Model Part Number | 2608902058 |
|---|---|
| Brand | Bosch |
Extended Product Information
FAQs
Can I use this blade on granite tiles?
No, this blade is specifically designed for grout, cement mortar, and soft wall tiles. Using it on extremely hard materials like granite will damage the diamond grit.
Does this fit my older oscillating tool?
This blade requires a Starlock mount. It will not fit standard OIS or non-Starlock systems unless a specific adapter is used.
How do I know when the blade is worn out?
You will notice a significant decrease in cutting speed and efficiency as the diamond grit wears away from the steel segment.
Can this be sharpened?
No, the diamond grit is a bonded layer and cannot be resharpened once the abrasive surface is worn down.
What is the primary benefit of the Starlock mount?
The Starlock mount provides a 3D interface that eliminates play and ensures 100% of the tool's power is transferred directly to the blade.
Troubleshooting
Blade feels like it is sliding or not cutting
Check that the Starlock mount is fully seated and clicked into place.
Excessive heat buildup during long cuts
Take intermittent breaks to allow the blade to cool; do not force the tool into the material.
Blade stopping or jumping during use
Clean out the grout channel to ensure no loose debris is obstructing the path of the blade.
Pros and Cons
Pros
- Significantly longer lifespan than carbide alternatives
- Excellent performance in tight corners
- High-efficiency power transfer via Starlock mount
- Rapid blade change capability
- High-quality diamond grit bonding for durability
Cons
- Not intended for hard porcelain or granite cutting
- Requires a Starlock-compatible multi-tool for best performance
- Higher initial cost compared to entry-level carbide blades
Setup, Compatibility & Care
To install the blade, align the Starlock mount on the tool with the blade attachment and press down until you hear an audible click. No screws or wrenches are required. The blade is compatible with all Starlock, Starlock Plus, and Starlock Max oscillating multi-tools. To ensure the longest life, avoid applying excessive pressure; allow the diamond grit to abrade the material naturally. After use, clear any residual mortar dust from the diamond edge using a soft-bristled brush to prevent buildup. Store the blade in a dry place to prevent corrosion of the steel body.