Motegi MI-4021 Air Angle Grinder 105mm (4"), 10,000rpm, M10 x 1.5 Spindle, Lever / Roll Throttle
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The Motegi MI-4021 is a compact 105 mm pneumatic angle grinder running at 10,000rpm on 90psi shop air, made for grinding, deburring, weld dressing and rust removal in automotive, fabrication and maintenance workshops. Choose the MI-4021L with a lever throttle or the MI-4021R with a roll throttle.
Key Features & Benefits
- 10,000rpm free speed – fast stock removal for grinding and surface preparation.
- 105 mm (4") disc with M10 x 1.5 spindle – fits standard threaded grinding and cutting discs.
- Two throttle styles – lever (MI-4021L) or roll (MI-4021R) control to suit your grip.
- Efficient air use – 6CFM at 90psi runs on standard workshop compressors.
- Side handle and wheel guard – two-handed control and operator protection.
- Standard fittings – 1/4" PT air inlet with 3/8" I.D. air hose.
Technical Specifications
| Specification | MI-4021L | MI-4021R |
|---|---|---|
| Brand | MOTEGI | MOTEGI |
| Throttle Type | Lever | Roll |
| Disc Diameter | 105 mm (4") | 105 mm (4") |
| Spindle Thread | M10 x 1.5 | M10 x 1.5 |
| Free Speed | 10,000rpm | 10,000rpm |
| Working Pressure | 90psi | 90psi |
| Air Inlet | 1/4" PT | 1/4" PT |
| Air Hose | 3/8" I.D. | 3/8" I.D. |
| Air Consumption | 6CFM | 6CFM |
| Net Weight | 1.76 kg | 1.82 kg |
Applications
- Weld seam grinding and deburring
- Rust and paint removal
- Metal fabrication
- Automotive body and repair workshops
Why Buy from Techno Tools
- Genuine stock with local after-sales support
- Official tax invoice with every order
- Fast delivery across Malaysia; same-day dispatch for orders before 4:00 PM
Order by 4PM to get delivered next working day! We use 24 hours service with carriers in most cases so that you can get your order delivered on time.
Free delivery for orders above RM500 with a total weight under 22kg. Otherwise, delivery charges are calculated at checkout based on your order’s weight and delivery location.
Further details please click here for more info.
Please notify us within 14 calendar days of receiving your product to request a free exchange or full refund, if eligible. We will cover all return shipping costs, and no restocking fees will apply in this case.
Requests made after 14 days may be accepted at our discretion and will be subject to a 10% restocking fee. Techno Tools & Equipment reserves the right to reject any return request found to be ineligible.
Further details please click here for more info.