Description
Makita
Makita M9100B MT Series Die Grinder — 6mm (1/4″), 480W
Part No: M9100B | Barcode: 88381816465 | Product Group: MT Series
The Makita M9100B is a compact MT Series die grinder built for precision grinding, deburring and finishing in tight spaces. A 480W motor spins burrs and small wheels at 33,000 rpm through a 6.35mm (1/4″) collet, while the slim aluminium barrel gives the control you need for detailed metalwork.
6.35mm (1/4″) Collet
480W
33,000 rpm
Max Wheel 20mm
Toggle Switch
1.4kg
Suitable For
Deburring
Weld Cleanup
Die & Mould Finishing
Porting
Metal Detailing
Key Features & Benefits
- High 33,000 rpm no-load speed — drives carbide burrs and mounted points efficiently for fast stock removal and a clean finish.
- 6.35mm (1/4″) collet capacity — accepts the most common burrs, mounted stones and small wheels.
- Slim aluminium barrel with stepped neck — improves balance and stability for controlled, detailed grinding.
- Anti-slip grip — keeps a secure hold during extended use and in awkward positions.
- Toggle switch — is easy to reach and operate with one hand while working.
- Lightweight 1.4kg body — reduces fatigue during fine, repetitive finishing work.
When to Use This Die Grinder
Reach for the M9100B when you need controlled high-speed grinding in confined areas — deburring fabricated parts, dressing welds, finishing dies and moulds, or porting. The slim barrel and 33,000 rpm make it ideal for detail metalwork where a 100mm or 125mm angle grinder is too large and too coarse.
Pro Tip: Match the burr to the job: use aluminium-cut (non-ferrous) carbide burrs on soft metals to stop the flutes clogging, and keep the grinder moving — letting a burr dwell at 33,000 rpm glazes the work and overheats the cutting edges.
Authorised Australian Dealer — This product is sourced directly from Makita Australia and is backed by full Australian manufacturer warranty and local support.
Product Specifications
| Model | Collet | Key Specifications |
|---|---|---|
| M9100B ★ | 6.35mm (1/4″) | 480W · 33,000 rpm · max wheel 20mm · 350mm · 1.4kg |
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