Removing mortar efficiently requires the right tools. This guide reviews top-performing mortar rakes and grinder blades available on Amazon UK, highlighting how each option works for brickwork, pointing, and re-pointing projects. Read on to compare depth, diamond content, and compatibility to choose a solution that delivers clean joints with minimal brick damage.
Summary of selected products
| Product | Brand | Key Benefit | Typical Use |
|---|---|---|---|
| Bosch 1x EXPERT ACZ 85 RD4 | Bosch | Durable diamond technology; fast blade changes | Mortar and soft tile removal with Starlock compatibility |
| Dunnet Tools Diamond Mortar Rake Disc | Dunnet Tools | Heavy-duty 115mm disc for deep mortar removal | Old mortar removal on brick/stone masonry |
| LEKOMESH Diamond Mortar Raking Bit | LEKOMESH | Deep-cut 100mm bit for precise joint cleaning | Masonry joints and repointing prep |
| Dapetz Mortar Rake | Dapetz | 8mm carbide-tipped for durability | Mortar removal between brickwork and stone |
| DTW Pro Mortar Rake Diamond Blade | DTW | Reasonable lifespan with good concentration | Mortar removal and joint cleaning for DIY projects |
Bosch Expert Mortar Blades
Product: Bosch 1x EXPERT ACZ 85 RD4 Grout Segment Blades
Brand: Bosch
URL: https://www.amazon.co.uk/dp/B094184PJ8?tag=bestbuyradar-21
Features: Lasts up to 10x longer than standard carbide blades, advanced Bosch Diamond Technology, Starlock mount enables fast blade changes within 3 seconds. This blade is designed for grout and soft tile removal with a secure power transfer, minimizing joint damage when used with compatible multitools.
The Bosch blade provides reliable longevity with a quick-change advantage, making it a strong choice for professional setups and serious DIY projects. Its diamond-enhanced edge improves resilience in masonry work while maintaining control at higher speeds. While optimized for grout and softer materials, careful handling helps prevent damage to surrounding bricks or tiles.
Dunnet Tools Diamond Mortar Rake Disc
Product: Dunnet Tools Diamond Mortar Rake Disc
Brand: Dunnet Tools
URL: https://www.amazon.co.uk/dp/B0B8DLWKYY?tag=bestbuyradar-21
Features: 115mm (4.5″) diamond-tipped blade designed for heavy-duty mortar removal in old brickwork and repointing. Laser-cut precision for clean joints, unbreakable diamond grit, and universal 115mm compatibility with 22.2mm arbor. Suited for deep mortar removal while minimizing damage to adjacent masonry.
In practice, this Disc excels where old mortar is deeply set and joints are wide. It delivers fast stock removal and a longer lifespan than many tungsten carbide options. It is best used with compatible angle grinders and requires proper personal protective equipment due to dust and vibration.
LEKOMESH Diamond Mortar Raking Bit
Product: Diamond Mortar Raking Bit
Brand: LEKOMESH
URL: https://www.amazon.co.uk/dp/B0C4DDS89Z?tag=bestbuyradar-21
Features: 8mm wide, 100mm working depth; vacuum-brazed #40/45 diamond grit for fast grinding with reduced vibration. Intended for deep joint work in brickwork and stone, ideal for repointing prep and renewal projects. Not a drilling bit but a grinding bit intended for angle grinders with appropriate arbor.
LEKOMESH’s tool stands out for deep-cut capability, allowing professionals to tackle extensive mortar joints without excessive passes. The vacuum-brazed diamond ensures sustained speed and durability, making it pragmatic for restoration workflows where precision is critical and time matters.
Dapetz Mortar Rake
Product: Mortar Rake 8mm Coarse Tungsten Carbide
Brand: Dapetz
URL: https://www.amazon.co.uk/dp/B018WBRB1Y?tag=bestbuyradar-21
Features: Tungsten carbide tipped for durability, 8mm diameter ideal for removing mortar between brickwork and stone, 35mm cutting length for standard repointing tasks. This tool balances aggression with control, enabling efficient removal in constrained joints while protecting adjacent materials when used properly.
Dapetz’s carbide-tipped profile provides consistent performance in demanding repointing contexts. It is a practical option for DIY enthusiasts seeking a robust bit that can handle frequent use, provided the user follows safety guidelines and uses appropriate grinding technique to avoid overheating or binding in tight joints.
DTW Pro Mortar Rake Diamond Blade
Product: DTW Pro Mortar Rake Diamond Blade
Brand: DTW
URL: https://www.amazon.co.uk/dp/B06XK8DR3V?tag=bestbuyradar-21
Features: Diamond concentration supports a reasonable lifespan with a 7mm segment height and 6.0mm width. Designed for DIY and semi-professional use, delivering effective mortar removal and joint cleaning. The blade’s diamond content helps maintain cutting efficiency over time, particularly on older joints and mixed masonry surfaces.
The DTW option offers a balance between aggressiveness and control, making it suitable for versatile projects where users need dependable performance without premium professional gear. It is a practical choice for homeowners undertaking repointing or restoration tasks, especially when combined with proper PPE and dust management strategies.
Buying Guide: key considerations for choosing mortar removal tools
Project scope and joint depth: For deep mortar joints, consider blades and raking discs with higher working depth (e.g., 100–115mm options) to reduce pass counts and speed up the job. Narrow 1/8″ joints may require finer blades to avoid over-cutting, while wider joints tolerate tougher discs.
Material and durability: Diamond blades and carbide-tipped tools generally outperform standard tungsten carbide in terms of lifespan and cut quality. Vacuum brazed or diamond-coated edges provide faster stock removal with less heat buildup, important for masonry materials that can overheat.
Tool compatibility: Check arbor size and tool compatibility (e.g., 22.2mm arbor, Starlock compatibility) before purchasing. Ensure the blade type matches your grinder or multitool—some blades are designed specifically for angle grinders while others are meant for oscillating tools.
Precision versus speed: For meticulous repointing prep, prioritize precision-focused blades that minimize damage to adjacent bricks. For removal-heavy projects, higher-speed diamond rakes offer faster removal but require careful control to prevent gouging or undercutting.
Safety and ergonomics: Use appropriate PPE, including eye protection, a respirator or dust mask, hearing protection, and gloves. Dust management and vibration reduction features can improve comfort and safety during long sessions.
Cost versus lifespan: Higher upfront costs often translate to longer blade life and fewer replacements. Evaluate total project needs, frequency of use, and the expected lifespan of each option when budgeting.