Choosing a reliable 115mm angle grinder is essential for cutting, grinding and finishing tasks around the home, workshop, or site. This guide highlights five top options available to UK buyers, considering ergonomics, power, durability and value. Each profile includes key features to help you compare performance and choose the right tool for masonry, metalwork and more.
| Product | Brand | Power | Disc Diameter | Key Benefit |
|---|---|---|---|---|
| Makita GA4530R Angle Grinder Slim 720W 240V | Makita | 720 W | 115 mm | Slim body, angled side handle for control |
| Makita GA4530RKD Angle Grinder 115 mm 720 W | Makita | 720 W | 115 mm | Compact grip and enhanced comfort |
| Makita GA4530R/1 110V 115mm | Makita | 115V (power unspecified here) | 115 mm | Slim body and improved control |
| Bosch 1x EXPERT Carbide Multi Wheel Disc 115 mm | Bosch | Not specified | 115 mm | Carbide cutting for long life |
| KATSU Tools Corded 115mm 720W | KATSU Tools | 720 W | 115 mm | Narrow grip, budget option with versatile use |
The following sections present five 115mm grinders in detail. Each entry uses a customer-friendly heading, a linked image block, and a concise feature-based overview to help you decide which model best suits your tasks, whether you are cutting masonry, grinding rust, or polishing metal surfaces.
Makita GA4530R Slim 720W Grinder

Makita’s GA4530R combines a slim 720W motor with a compact 115 mm disc in a design tailored for long sessions on welds, masonry joints, and metal fabrication. The slim body reduces user fatigue, while the side handle’s 20-degree angle provides superior control during detailed cuts or grinding. Engineered for durable performance, this model is suitable for professional settings and serious DIY tasks alike. Its lightweight balance benefits overhead work and tight spaces, enabling precise material removal with minimal vibration.
Makita GA4530RKD 115 mm Grinder

This GA4530RKD variant emphasises ergonomic handling with a slim profile and a small-diameter barrel grip. The 720 W motor provides reliable cutting and grinding for welds, masonry edges, and maintenance tasks. The handle position at a higher 20-degree angle enhances control in confined spaces, reducing user fatigue during extended sessions. Its robust construction makes it a practical choice for fabricators and masons performing frequent 115 mm tasks.
Makita GA4530R/1 115mm Grinder

Makita’s GA4530R/1 offers a familiar slim build with a 115 mm disc and a 720 W rating. Designed for welders, fabricators and maintenance work, it combines practical features like a compact form factor and an angled side handle for better leverage. This model suits users who prioritise comfort and maneuverability on longer cutting and grinding tasks in metal and masonry projects.
Bosch 1x EXPERT Carbide 115 mm

Endurance is central to Bosch’s EXPERT carbide wheel disc offering for 115 mm grinders. While not a grinder itself, this accessory is designed to maximize life and performance when cutting a range of materials, from hardwood to nails in wood, and multi-material workpieces. The 22.23 mm bore ensures compatibility with standard locking nuts, reducing setup time and downtime on busy sites. This accessory is ideal for professionals seeking longer-lasting cuts and cleaner finishes on varied projects.
KATSU Tools 115mm 720W Grinder (Budget)

The KATSU Tools budget model targets DIY enthusiasts and light-to-medium tasks. It features a 720 W motor and a narrow grip, supporting comfortable handling for longer sessions. While it offers good value for basic grinding and cutting, users should consider heavier-duty work or demanding continuous use requirements when selecting this option. The tool is versatile for masonry, concrete, tile, metal, and polishing tasks in regular home projects or occasional professional settings.
Lucn 2000W 115mm Grinder

The Lucn 2000W model provides higher power for tougher tasks, delivering up to 12000 rpm. It is designed for heavy-duty cutting, grinding, and sanding, including metal work and masonry. The tooling includes optimized cooling to extend motor life and support prolonged use. This grinder targets professional tradespeople and serious DIYers requiring robust performance for frequent, demanding projects.
Buying Guide
Key considerations when selecting a 115mm angle grinder:
- Power and speed: Balance motor wattage with task demands. Higher power models handle thicker metal and tougher masonry more efficiently, while lighter tasks benefit from 720 W class tools.
- Ergonomics: Slim bodies, narrow grips and angled side handles reduce fatigue and improve control in tight spaces. Consider weight and balance for extended use.
- Durability and construction: Look for solid gear trains, solid housings and cooling features that extend tool life under heavy daily use.
- Disc compatibility: Ensure the grinder accepts standard 115 mm discs and appropriate locking nuts. Carbide or diamond discs suit specific materials and finish levels.
- Safety features: Side guards, paddle or slide switches, and anti-kickback designs contribute to safer operation on site.
- Accessories and spare parts: Availability of replacement brushes, service options, and compatible accessories affects long-term value.
- Voltage and regional availability: UK buyers should verify 230 V compatibility and local support, especially for models with 110 V variants.
Comparisons across brands show that Makita emphasizes ergonomic design and comfortable handling in 115 mm models, while Bosch offers carbide-based accessories and compact ergonomics for precision work. Budget options like KATSU Tools provide basic functionality for DIY use, whereas Lucn’s higher-powered variant targets demanding tasks with enhanced motor protection and cooling. When choosing, align the tool’s power, weight, and ergonomics with the typical materials and work hours you expect to tackle.