Cordless impact wrench DW-401 - 1/2"

Code: DW-401
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€155,57 / pcs €128,57 excl. VAT
Stock (3 pcs)
Delivery to:
17.06.2026
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Cordless Impact Wrench DW-401 - 1/2" — impact wrench with torque up to 894 Nm. Impact wrench with a 1/2" square drive.

Detailed information

Free shipping
Free shipping
For purchases over 5,000 CZK
We guarantee
We guarantee
Extended warranty and service
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Discount voucher
For every purchase
Return of goods within 30 days
Return of goods within 30 days
Completely at our expense

Product detailed description

Cordless Impact Wrench DW-401 - 1/2" is an M7 Mighty Seven impact wrench with a breakaway torque of up to 894 Nm. Impact wrench with a 1/2" square drive.

Key features and benefits

  • Impact wrench with a 1/2" square drive
  • 3-position switch allows precise adjustment of tightening force
  • Brushless motor with BRUSHLESS technology
  • The auto-stop function automatically shuts off the tool at low torque to prevent material damage
  • LED work surface lighting
  • For M7 18V platform batteries
  • Torque 894 Nm — power for demanding joints in professional operation.
  • Weight 1,48 kg — balanced body for longer work without fatigue.

Design and technology

Brushless motor with BRUSHLESS technology. The M7 design aims for long service life during daily professional use and easy maintenance.

Who is this tool for?

  • Car services and tyre services: fast and repeatable work in the workshop.
  • Assembly and production plants: reliable performance during series work.
  • Maintenance and field service: tools for demanding conditions.

Aku rázový utahovák DW-401 - 1/2Aku rázový utahovák DW-401 - 1/2

What's in the package

The product is also available in other variants: DW-401K, DW-401A.

What makes the M7 tool different?

Mighty Seven Industrial Co., Ltd. has been manufacturing pneumatic and cordless tools since 1965 at its headquarters in Taiwan. M7 provides custom production (OEM) for a number of premium global brands — the technology you buy directly from M7 is often found under another logo at a significantly higher price.

You obtain parameters comparable to the premium Western competition at a considerably more favourable price, with a 24-month warranty and original spare parts in stock in the Czech Republic — no weeks of waiting for an order from abroad.

Frequently asked questions

What is the warranty and where is the service handled?

The Cordless Impact Wrench DW-401 - 1/2" is covered by the standard 2-year warranty of Mighty Seven. Service and original spare parts are located directly in the CZ.

Which battery is required?

The tool operates on the Mighty Seven 18V Li-ion platform (DB-1825 / DB-1850P). The same battery powers other M7 cordless tools.

What size joints is the tool sufficient for?

Torque of up to 894 Nm covers both standard and tight joints in professional operation.

About Mighty Seven

Mighty Seven (M7) has been a Taiwanese manufacturer of professional pneumatic and cordless tools since 1965, with its own production and global distribution in dozens of countries. It emphasises professional quality at an affordable price — significantly lower than premium Western competition while maintaining comparable parameters.

The product is covered by a standard 2-year warranty from Mighty Seven. All service and spare parts are provided directly in the Czech Republic — without waiting for shipments from abroad.

Additional parameters

Category: AKU Impact Wrenches Mighty Seven - power and mobility in one
Warranty: 2 years
Weight: 1.48 kg
Length: 150 mm
Idle speed: 1100 rpm, 1,600 rpm, 2,200 rpm
Strokes per minute: 1,500 ipm, 2,500 ipm, 3,000 ipm
Clamping: 1/2"
Enabling moment: 894 Nm
In stock: External warehouse
? Battery: not included in the product
? Charger: not included in the product
? Suitcase: not included in the product
? Accessories: not included in the product

M7 - DW-401 - AUTO STOP

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Top tools, top service

Mighty Seven is an absolute leader in the manufacture of air tools and associated products. M7, as most customers call the company, offers its users the highest standard of quality tools that satisfy even the most demanding users around the world, literally. The entire M7 team is made up of an international network of experts, so the most certified designers work on the development of new products, sales and distribution are handled by a team of sales and logistics staff who have a choice of 6 global logistics centres in France, Germany, USA, Mexico, China and Taiwan to speed up the process, and reliability is handled by a number of service technicians trained directly by the manufacturer, who have a wide service network at their disposal. In addition, in the event of a longer repair, spare tools are available for the customer to borrow for the necessary period of time.

M7 Air Tools
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The products will satisfy anyone's needs

Mighty Seven's products meet the most demanding customer requirements and the M7 is designed for them. Reliable functionality is thus enjoyed by craftsmen, maintenance or service technicians with professional requirements, but the product also lives up to its name in the toughest industries that demand extreme durability and performance. The top quality of our products has already been appreciated by hundreds of thousands of satisfied customers, for whom the ISO 9001 quality system certification is a confirmation of our reputation. You too can become an enthusiastic user of this brand, the full range of Mighty Seven products can be found below.