Bosch Expert Carbide-RIFF ACZ 85 RT3 Starlock Segment Saw Blade for Grout Removal and Abrasive Materials, 85 mm, 1 Piece

Standard bi-metal blades dull within minutes on grout, mortar, and fibre-reinforced panels. The Bosch Expert Carbide-RIFF ACZ 85 RT3 keeps cutting. Its rough tungsten carbide grit edge is engineered for materials that rapidly destroy conventional teeth, making it the go-to blade for removing tile grout, trimming cement-bonded fibre boards, and flush-cutting epoxy or glass-fibre reinforced plastic. The segmented circular shape allows plunge cuts and edge work without binding, while the Starlock mounting system delivers a secure, wobble-free fit on compatible oscillating multi-tools.

Highlights

• Rough carbide grit edge for long life in abrasive materials like grout, mortar, and soft brick
• 85 mm diameter with segmented circular design for flush cuts and plunge cutting
• Starlock interface fits Bosch Starlock, Starlock Plus, and Starlock Max multi-tools
• Ideal for grout removal, cutting slots in porous concrete, and trimming fibre-reinforced panels
• Part of the Bosch Expert for MultiMaterial series, engineered for demanding jobs

In daily use

Contractors and serious DIYers reach for this blade when renovating bathrooms or kitchens: it removes old grout quickly without damaging surrounding tiles, and it slices through cement-bonded fibre boards cleanly. The carbide grit edge resists wear far longer than standard blades, reducing blade changes and keeping the work moving. For flush cutting in tight spaces, the segmented shape allows the blade to reach into corners and along edges.

Full specifications

• Blade Type: Segment Saw Blade
• Cutting Material: Carbide-RIFF
• Tool Mounting System: Starlock
• Blade Diameter: 85 mm
• Primary Application: Grout removal
• Secondary Application: Cutting slots in abrasive materials, flush cutting
• Material Compatibility: Grout, mortar, porous concrete, soft brick, cement-bonded fibre boards, epoxy/glass fibre reinforced plastic
• Blade Material: Carbide
• Grit Type: Rough Carbide Grit
• Pack Quantity: 1 piece
• Compatibility: Starlock, Starlock Plus, Starlock Max multitools
• Product Series: Bosch Expert for MultiMaterial
• Model Designation: ACZ 85 RT3
• Cutting Edge Material: Tungsten Carbide
• Tool Type: Oscillating Multi-Tool
• Shape: Segmented circular

Final note

Choose the Bosch Expert Carbide-RIFF ACZ 85 RT3 for reliable cutting in the toughest abrasive materials, and experience fewer blade changes with consistent performance.