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Milwaukee M12FDGS-0 12v Straight Die Grinder
Best for tradespeople and professional users needing portable, powerful grinding in restricted spaces.
Highlights
- 262mm overall length allows access to tight or awkward workspaces
- POWERSTATE™ brushless motor provides long-term durability and longer runtime per charge
- 3-mode speed control (0-10,000/15,000/21,000rpm) plus variable speed trigger for tailored performance
- Achieves up to 21,000rpm, matching or exceeding performance of some pneumatic models but fully cordless
- Electronic REDLINK PLUS™ intelligence manages power delivery and tool protection
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£129.95
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Quick Take
The Milwaukee M12FDGS-0 Straight Grinder is a compact, cordless die grinder designed for precise grinding, sanding, and finishing in tight or hard-to-reach areas. With its 12V brushless motor and variable speed control, it's well-suited for professionals and advanced users requiring portability without sacrificing power. Supplied body-only, it integrates into the Milwaukee M12 system for those already using Milwaukee batteries and chargers.
Points to Consider
- Compatible only with Milwaukee M12 lithium-ion batteries, which are not included
- No case or charger included in this body-only kit
- Maximum disc size is 50mm, which may limit very large or heavy-duty grinding tasks
- Produces vibration typical of die grinders (17.15m/s²); consider for extended use
- Only straight-shaft design - may not substitute for right-angle tools in certain jobs
Best Use Cases
- Metal fabrication: fine grinding, deburring, and finishing metal surfaces
- Automotive repair: porting, cleaning, and smoothing automotive parts and engine components
- Woodworking: touch-ups, shaping, and detailed sanding in confined spaces
- Construction: on-site grinding where power outlets are limited
- Maintenance teams: tool repair, maintenance, and surface preparation
Frequently Asked Questions
Q: Does this tool include a battery and charger?
A: No, the Milwaukee M12FDGS-0 is sold as a "body only" tool. You’ll need to use it with existing Milwaukee M12 lithium-ion batteries and a compatible charger. If you don't already have an M12 system, you'll need to purchase those separately.
Q: What size discs and accessories does it accept?
A: The grinder accepts discs and accessories up to 50mm in diameter. It comes with both 6mm and 8mm collets, so you can use a variety of common die grinder bits and mandrels - always check your accessory shaft size for compatibility.
Q: How does the speed control work?
A: There are three fixed speed modes (10,000, 15,000, and 21,000rpm) selectable on the tool, plus a responsive variable speed trigger for finer control. This helps to match tool speed to the material and the specific task for better results and tool life.
Q: How does it compare to pneumatic die grinders?
A: This cordless model offers comparable, and in some cases greater, power than many air-powered grinders, but without needing an air compressor or hoses. This can save setup time, increase portability, and suit job sites where compressed air isn’t available.
Q: What’s the maximum reach or overall length?
A: The tool measures approximately 262mm in length. This compact size is designed for accessing confined spaces where larger grinders or angle grinders can’t fit.
Q: Is the vibration level manageable for longer tasks?
A: The vibration rating is 17.15m/s², which is typical for tools of this type. For prolonged use, wearing suitable gloves and taking regular breaks is recommended to reduce fatigue, especially if you’re sensitive to vibration.
Full Specifications
| Battery | ||
|---|---|---|
| Voltage: | 12 V | |
| Battery Type: | Lithium-Ion (Li-Ion) | |
| Batteries Included: | No | |
| Features | ||
| Variable Speed: | Yes | |
| Brushless Motor: | Yes | |
| General | ||
| Power Source: | Cordless | |