AKU Impact Wrenches Mighty Seven - power and mobility in one

- 🔹 Powerful impact wrenches with 1/2" and 3/4" square drives – an ideal choice for a wide range of professional applications in workshops and industry.
- 🔹 Brushless motor BRUSHLESS – modern technology ensures significantly higher efficiency, longer service life, and minimal heating under maximum load.
- 🔹 LED work area lighting – an integrated diode reliably facilitates work in dark and poorly accessible spaces.
- 🔹 Precise tightening force setting – models with a 3-position or 4-position switch allow for immediate adjustment of power to the given joint.
- 🔹 Automatic shut-off functions – the intelligent Auto-stop mode eliminates the risk of over-tightening joints and effectively prevents material damage.
- 🔹 Reverse release system – when the bolt is completely loosened, the wrench stops automatically, preventing accidental dropout and loss of the nut.
- 🔹 Square drive with locking ball – ensures fast, safe, and easy replacement of impact sockets for maximum workflow continuity.
- 🔹 Energy consumption optimisation – an advanced electronic circuit extends operation on a single battery charge by up to 50%.
- 🔹 Lightweight and ergonomic design – a perfectly balanced combination of extreme power and compact dimensions for fatigue-free all-day work.
Overview of AKU impact impact wrenches M7 |
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| Order number | Clamping | Breakaway torque (Nm) | Impact rate (ipm) | No-load speed (rpm) | Length (mm) | Weight (kg) |
| DW-401 | 1/2" | 894 | 1 500 / 2 500 / 3 000 | 1 100 / 1 600 / 2 200 | 150 | 1,48 |
| DW-401A | Discounted set: Impact wrench DW-401 + 2× 18 V, 5.0 Ah battery + fast charger + durable case | |||||
| DW-404 | 1/2" | 900 | 1 150 / 1 700 / 2 300 / 2 500 | 900 / 1 400 / 1 800 / 2 200 | 130 | 1,16 |
| DW-404A | Discounted set: Impact wrench DW-404 + 2× 18 V, 5.0 Ah battery + fast charger + durable case | |||||
| DW-402 | 1/2" | 1 700 | 1 800 / 2 000 / 2 200 | 900 / 1 000 / 1 700 | 233 | 3,33 |
| DW-402A | Discounted set: Impact wrench DW-402 + 2× 18 V, 5.0 Ah battery + fast charger + durable case | |||||
| DW-406 | 1/2" | 1 600 | 1 800 / 2 000 / 2 800 | 1 400 / 1 900 / 2 400 | 172 | 2,0 |
| DW-406A | Discounted set: Impact wrench DW-406 + 2× 18 V, 5.0 Ah battery + fast charger + durable case | |||||
| DW-601 | 3/4" | 1 900 | 1 800 / 2 000 / 2 200 | 900 / 1 000 / 1 700 | 238 | 3,37 |
| DW-601A | Discounted set: Impact wrench DW-601 + 2× 18 V, 5.0 Ah battery + fast charger + durable case | |||||
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Mighty Seven (M7) cordless impact wrenches represent the perfect synergy of the brutal power of pneumatic tools and the absolute freedom of cordless operation. They are designed to meet the most demanding requirements of professional auto mechanics, craftsmen, and industrial plants. Due to the absence of air hoses or power cables, you achieve maximum flexibility when working in the workshop, during installations, during roadside service, or anywhere in the field.
Industrial performance and Brushless motor technology
At the heart of M7 wrenches are the most modern brushless motors. This type of motor eliminates the mechanical friction of brushes, leading to a significant reduction in heating, minimal wear, and a noticeable extension of the overall service life of the machine. In combination with advanced electronic control units, these wrenches are able to manage energy efficiently. Top-tier 18 V Li-ion batteries provide stable, unwavering performance throughout the entire work cycle without an undesired memory effect.
To ensure continuous operation, we recommend original accessories:
- ✅ Battery DB-1825 (2.5 Ah) or high-capacity 5.0 Ah version – provide long endurance for demanding loosening and tightening sequences. View product
- ✅ Fast charger DC-18A – an intelligent charging station with protective elements that minimizes downtime in the workplace. View product
Perfect ergonomics and safety features
Mighty Seven tools are renowned for their emphasis on operator comfort. Ergonomically shaped, rubberised handles effectively dampen vibrations and ensure a firm and secure grip even with oily hands. Integrated LED lighting clearly illuminates the workspace directly in the axis of the bolt, which is particularly useful under vehicle chassis or in dark structural corners. A significant advantage is the precisely adjustable torque settings, allowing you to work with feel and avoid the risk of stripping threads on finer connections.
Smart compatibility and cost-saving accessories
If you already use cordless systems from other leading manufacturers in your workshop, Mighty Seven offers an elegant solution in the form of adapters. These allow you to operate M7 impact wrenches with your existing batteries, significantly reducing the initial investment:
- ✅ ADA01 Adapter – ensures full compatibility with batteries from selected brands (MIL/DEW). View product
- ✅ ADA02 Adapter – extends usability to other battery types (MAK). View product
- ✅ Professional forged impact sockets – for the safe transfer of enormous torque, visit our specialised section Impact sockets.
Main reasons to choose Mighty Seven (M7) cordless impact wrenches:
- ✔ Independence from compressors – start working immediately anywhere on a construction site or in the field without the need to drag heavy air hoses.
- ✔ Extreme power – with breakaway torques reaching up to 1 900 Nm, you can easily handle seized and stubborn connections on trucks.
- ✔ Cost savings – thanks to battery adapters, you don't need to invest in expensive new chargers and battery sets.
- ✔ Industrial durability – robust materials and top-tier craftsmanship guarantee long-term reliability in harsh auto workshop environments.

VENTILEK ADVISES:
Lads, let's be honest – having an air hose trailing behind you in the workshop can be infuriating, especially when you need to move around a car on a lift or quickly loosen a wheel outside in the yard. These pieces from Mighty Seven have such punch that they give pneumatics a run for their money. If you're looking for a lightweight powerhouse for passenger cars, the DW-404 weighs just over a kilo but delivers 900 Nm – your wrists won't ache even after a full day. And if you're working on vans or agricultural machinery, go for the 3/4" DW-601 version. That one could practically loosen a locomotive, and with those battery adapters, you'll save a heap of money!