Description
Alpha
Alpha Diamond Segment Multi-Tool Blade — 90mm
Part No: STH90DB1 | Barcode: 9313601013265 | Series: Multi-Tool
An Alpha diamond segment multi-tool blade, 90mm, for precise removal of grout, thinset and soft masonry. Starlock fitment.
90mm
Diamond
Starlock
Cuts These Materials
Grout
Tile & Ceramic
Masonry
Thinset & Mortar
Key Features & Benefits
- Diamond-grit segmented edge — grinds out grout and thinset cleanly without chipping surrounding tiles.
- Long-life diamond coating — keeps cutting abrasive grout and masonry far longer than carbide.
- Starlock interface — locks the blade flat to the tool head for full power transfer and tool-free changes.
When to Use This Blade
Reach for the STH90DB1 when you need precise removal of grout, thinset and soft masonry. Confirm your multi-tool accepts Starlock blades.
Authorised Australian Dealer — This product is backed by full Australian manufacturer warranty from Alpha (Sheffield Group), with local support and service.
Browse our full range of power tool blades at Alltools Geelong.







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