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Impact wrench - SeeSii tools

Cordless Impact wrench

Discover Seesii's range of Cordless Impact Wrenches, including the powerful 1/2 inch Brushless Impact Wrench. Perfect for any task, our Impact Guns and Impact Drivers offer unmatched performance and durability. Shop now and power up your toolkit with Seesii's top-rated power tools.

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  • Prix d'origine $149.99 - Prix d'origine $149.99
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    Seesii WH760 Cordless Impact Wrench- 1000Nm (738ft-lbs) 2*4.0AH Battery

    En stock

    ➤2*4000mAh Batteries:Seesii WH760 impact wrench with TWO 4.0AH batteries, reduces your frequent charging and saves time. ➤1000Nm Max Torque: Maxi...

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    Prix d'origine $149.99 - Prix d'origine $149.99
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    $149.99
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    Prix actuel $149.99
  • Prix d'origine $139.00 - Prix d'origine $139.00
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    $139.00
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    Prix actuel $139.00

    Cordless Impact Wrench 1/2 inch for Car Home SeeSii WH710

    En stock

    1. [1300Nm Max Torque] Transform your performance with our high-efficiency brushless motor, delivering unmatched power and efficiency. 2. [900Nm M...

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    Prix d'origine $139.00 - Prix d'origine $139.00
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    $139.00
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    Prix actuel $139.00
  • Prix d'origine $129.00 - Prix d'origine $129.00
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    $129.00
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    Prix actuel $129.00

    Seesii 1/2 impact wrench with battery and charger - WH700

    En stock

    1. [650N.m High Torque & Variable Speed] 479ft-lbs (650Nm) max torque, 2-speed selection(0-2600RPM/0-3300RPM) help you work at the right occasi...

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    Prix d'origine $129.00 - Prix d'origine $129.00
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    $129.00
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  • Prix d'origine $219.00 - Prix d'origine $219.00
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    Prix actuel $219.00

    Seesii WH1000 3/4‘’ 1600N.m Cordless Impact Wrench, 5.0Ah Battery, Brushless Motor, LED Light, 24x7 Customer Support

    Rupture de stock

    1. [1600Nm Max Torque] With an impressive 1600Nm (1180Ft-lbs) of power, you can conquer even the toughest tasks effortlessly. 2. [Speed control] Th...

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    Prix d'origine $219.00 - Prix d'origine $219.00
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    Épuisé
  • Prix d'origine $199.99 - Prix d'origine $199.99
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    $199.99
    $199.99 - $199.99
    Prix actuel $199.99

    Seesii WH800 1/2'' Impact Wrench, 960Ft-lbs(1300NM) 2x5.0Ah Battery, Brushless Motor

    En stock

    1. [1300Nm Max Torque] With a maximum torque of 1300Nm, this powerful tool can effortlessly meet the demands of any industrial task. 2. [Durability...

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    Prix d'origine $199.99 - Prix d'origine $199.99
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    $199.99
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    Prix actuel $199.99
  • Prix d'origine $89.00 - Prix d'origine $89.00
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    $89.00
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    Prix actuel $89.00

    Seesii RT400B 3/8" Cordless Ratchet Wrench, 6" Long Neck, 220RPM

    En stock

    ✔️【6" LONG REACH & COMPACT DESIGN】Seesii Extended Cordless Ratchet features a 6" long neck profile and a slim 3/8" compact head for easy access...

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    Prix d'origine $89.00 - Prix d'origine $89.00
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    $89.00
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    Prix actuel $89.00
  • Prix d'origine $89.00 - Prix d'origine $89.00
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    $89.00
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    Prix actuel $89.00

    Seesii QH140 16V Cordless Impact Driver Max Torque 1240 In-lbs,Two 2.0Ah Battery

    En stock

    【More Compact Than Classic Impact Driver】Compact (5.1”length) and lightweight (2.0 lbs - bare tool & battery) design fits into tight areas and ...

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    Prix d'origine $89.00 - Prix d'origine $89.00
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    $89.00
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    Prix actuel $89.00
  • Prix d'origine $129.00 - Prix d'origine $129.00
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    Prix actuel $129.00

    Seesii WH450 3/8" Cordless Impact Wrench, 330Ft-lbs(450N.m), 4.0Ah Battery, 4 Sockets

    En stock

    [450Nm High Torque] The SeeSii WH450 cordless impact wrench delivers a high torque of 450Nm (330ft-lbs), allowing for effortless tightening and loo...

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    Prix d'origine $129.00 - Prix d'origine $129.00
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    $129.00
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    Prix actuel $129.00
  • Prix d'origine $59.00 - Prix d'origine $59.00
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    $59.00
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    Prix actuel $59.00

    Seesii 4000mAh Li-ion Battery

    Stock bas

    This is a matching battery for Seesii Cordless ToolBattery capacity: 4000mAhVoltage: 21VWorking time: 40-60min (depending on product power)

    Prix d'origine $59.00 - Prix d'origine $59.00
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    $59.00
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    Prix actuel $59.00
  • Prix d'origine $89.00 - Prix d'origine $89.00
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    $89.00
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    Prix actuel $89.00

    Seesii QH150 Impact Driver Kit, 21V Max Torque 1590In-lbs(180N.m) Cordless Impact Driver Set with Two 2.0Ah Battery, 1/4" Hex Chuck Power Impact Drill

    En stock

    【More Compact Than Classic Impact Driver】Compact (5.1in length) and lightweight (2.0 lbs - bare tool & battery) design fits into tight areas an...

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    Prix d'origine $89.00 - Prix d'origine $89.00
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    $89.00
    $89.00 - $89.00
    Prix actuel $89.00

FAQ

What is a 1/2 impact wrench used for?

A 1/2 impact wrench is typically used for automotive applications like loosening and tightening lug nuts on car tires. It’s a versatile tool for mid-level torque tasks, making it suitable for handling various bolts and fasteners commonly found in vehicle maintenance and construction projects. While 1/2-inch models can handle most everyday automotive and light industrial tasks, they provide a good balance between power and control, making them a popular choice for both professionals and DIYers

When shouldn’t you use an impact wrench?

When deciding not to use an impact wrench, consider the specific material and application to avoid damage. Impact wrenches generate high torque, making them unsuitable for softer materials like wood, plastic, or delicate hardware where precision is needed. The hammering force can easily over-tighten or strip screws, causing irreparable damage. Additionally, avoid using impact wrenches on applications that require precise torque settings, such as small fasteners or fragile components. Instead, use hand tools or standard power tools for better control and to prevent mishaps.

How do I choose a good impact wrench?

When buying an impact wrench, consider the following key factors to ensure you select the right tool for your needs:

Power and Torque: Impact wrenches vary in torque, ranging from lighter 12V models ideal for small tasks to more powerful 18V or 24V tools capable of handling heavy-duty applications. High torque is essential for loosening tough bolts and nuts but may not be necessary for lighter tasks​

Size and Weight: The size of an impact wrench can influence its maneuverability, especially in tight spaces. Compact models are easier to handle and are less fatiguing, making them suitable for extended use​

Power Source: Consider whether you prefer a corded, cordless, or pneumatic model. Cordless wrenches offer more mobility and ease of use, while pneumatic models provide more consistent power and are typically favored in professional settings​

Chuck Size: Impact wrenches usually come with a square drive chuck that holds sockets securely. The most common chuck sizes are 1/2 inch and 3/8 inch, with larger sizes being better suited for bigger bolts​(

Ergonomics and Comfort: Look for features like a comfortable grip, oversold, and balanced weight distribution. This helps reduce hand strain and enhances control during use​.

What is the difference between a 1/2 impact wrench and a 3 4 impact wrench?

The main difference between a 1/2 impact wrench and a 3/4-inch impact wrench lies in their torque capabilities and applications. A 3/4-inch impact wrench typically delivers significantly higher torque, making it ideal for heavy-duty tasks such as loosening large bolts or working with industrial equipment. In contrast, a 1/2 impact wrench is more versatile and commonly used for automotive and general maintenance work because of its balance between power and size. The larger 3/4-inch impact wrenches are also physically bigger and heavier, making them better suited for professional use where extreme force is needed, while 1/2-inch models are more compact and easier to handle for everyday tasks

What is the difference between an impact driver and an impact wrench?

An impact driver and an impact wrench differ mainly in terms of power and application. Impact drivers are designed for driving screws and bolts into softer materials, making them ideal for woodworking or light-duty construction tasks. They use a 1/4-inch hex collet to hold bits, making it easy to swap out different driver bits. Typically, impact drivers generate less torque than impact wrenches, but they provide higher rotational speeds, making them more effective for driving smaller fasteners quickly.

On the other hand, impact wrenches are built for heavier-duty applications and use a square drive (e.g., 1/2-inch, 3/4-inch) to attach sockets, making them ideal for automotive work and loosening/tightening larger nuts and bolts. They generate significantly higher torque, allowing them to handle stubborn fasteners that a driver might struggle with. While impact drivers can reach up to 3600 RPM, most impact wrenches have lower speeds but much higher torque, making them more suitable for tasks like changing car tires or working on heavy machinery​

What types of electrician tools do electricians use?

When it comes to selecting electrician tools, electricians rely on a variety of equipment specifically designed to make their jobs safer and more efficient.

Key tools include digital multimeters for measuring electrical properties, non-contact voltage detectors for safely identifying live circuits, and clamp meters for measuring current without breaking the circuit. Hand tools like pliers, screwdrivers, and wire strippers are essential for everyday tasks, while larger tools like impact drivers and drills provide the power needed for more demanding applications.

Each tool has a unique purpose, from testing and measuring to installing and maintaining electrical systems. Choosing the right tools and ensuring quality can significantly improve job efficiency and safety.

What is a cordless impact wrench with a battery?

A cordless impact wrench with a battery is a cordless tool specifically designed to tighten or loosen bolts, nuts, and other fasteners using a rotating hammering motion. These tools are ideal for automotive applications, construction work, and various DIY projects because they provide portability and freedom from power cords. 

Compared to impact drivers, which are used for smaller fasteners, impact wrenches have higher torque output, making them suitable for heavy-duty tasks such as removing lug nuts or driving large bolts.

When selecting a battery-powered impact wrench, consider its torque capacity, speed settings, and the type of fasteners it is meant to handle. For instance, models like the DeWalt 20V Max XR offer up to 600 ft-lbs of fastening torque, making them a top choice for mid-torque applications​

How impact wrenches work

An electric impact wrench works by converting motor-driven rotary motion into impact force to tighten or loosen bolts and nuts. Here's a simplified explanation of its working process:

  • Motor Operation: The electric impact wrench uses a built-in DC motor. When powered on, the motor rotates, and this movement is transferred to the impact mechanism through a transmission system.

  • Gear Transmission: Inside the wrench, a gear system transforms the motor's high-speed rotation into low-speed, high-torque output. This conversion helps provide the force necessary for effective impact while maintaining control and stability.

  • Impact Mechanism: At the heart of the wrench is the impact mechanism, consisting of components like springs, striking blocks, and an output shaft. The rotational energy is converted into impact force by this mechanism, which is then delivered through the output shaft.

  • Force Transmission: The impact force is directed to the nut or bolt through the output shaft, delivering rapid, powerful torque. This force enables the tool to quickly tighten or loosen threaded parts.

  • Sensor Control: Many electric impact wrenches have sensors to monitor the applied impact force and torque. These sensors compare the output with preset values, ensuring the wrench doesn't exceed the desired torque limit, thus preventing over-tightening.

This process allows electric impact wrenches to efficiently perform bolt and nut fastening or loosening tasks, making them indispensable tools in assembly and maintenance work across various engineering fields.

Uses of impact wrenches

Electric impact wrenches are primarily used to tighten bolts, nuts, and other threaded connections that demand high torque. Powered by an electric motor, this tool operates by rotating its output shaft at high speed, which generates an impact force that increases the wrench’s torque. These wrenches are ideal for high-torque applications in industries like construction, automotive repair, aerospace, and power.

In construction, electric impact wrenches play a key role in tightening and loosening bolts, especially during the assembly and disassembly of large, high-strength hex bolts for projects like steel bridges, factories, chemical plants, and power generation equipment. They’re also essential for the initial screwing of torsion shear high-strength bolts.

In automotive repair, these wrenches are commonly used for tasks like removing and securing tires and engine components. 


In the aerospace industry, they are critical for assembling and disassembling precision parts such as wings and intakes. Additionally, electric impact wrenches are widely used in the power, railroad, and subway industries for connecting wires and securing bolts.

Despite their efficiency and high torque output, electric impact wrenches have some downsides, including loud noise, susceptibility to wear, and higher maintenance costs. However, these drawbacks don’t overshadow their value across multiple industries, where they are indispensable tools.

What people are suitable to use impact wrenches

Electric impact wrenches are essential tools across various industries, including construction, automotive repair, aerospace, electric power, and transportation sectors like railroads and subways. Their efficiency and convenience make them widely used for tasks involving the tightening and loosening of bolts and fasteners. Here’s a breakdown of how electric impact wrenches are utilized in different fields:

  • Construction Industry:
    In construction, electric impact wrenches are primarily used for tightening and removing bolts. Since construction structures often require adjustments and maintenance, these tools are frequently employed. Workers can choose from different types, such as rotary, punch-in, and angular wrenches, depending on the bolt size and job requirements.

  • Automotive Repair Industry:
    In the automotive repair industry, electric impact wrenches are vital for installing and removing vehicle components, especially engines and tires. Various types, including angular and battery-powered wrenches, offer adjustable torque and speed to handle a range of repair tasks efficiently.

  • Aerospace Industry:
    Electric impact wrenches play a critical role in the aerospace industry, where they are used for assembling and disassembling aircraft parts like wing intakes. These tools must be precise and reliable due to the complexity of the aircraft and the importance of safety.

  • Electric Power Industry:
    In the electric power sector, these tools are used to connect wires and tighten bolts in electrical equipment. Regular maintenance and replacement of components make electric impact wrenches indispensable for improving efficiency. High-torque rotary and angle wrenches are preferred for their control and power.

  • Railroad and Subway Industry:
    In the railroad and subway industries, electric impact wrenches are essential for securing track fasteners and connecting bolts on vehicles. Their precision and power help ensure the safety and stability of transport systems.

Other Industries:Beyond these industries, electric impact wrenches are used in heavy machinery, tower cranes, and wind turbines for bolt fastening. Their versatility and effectiveness make them an essential tool across many professional sectors.

What parameters to pay attention to when buying impact wrenches

  • Key Parameter I: Torque

Torque is the maximum force an electric impact wrench can apply. It's a critical factor, often measured in Newton meters (N-m) or, in the U.S., foot-pounds (FT-LBS). Torque plays a major role in determining how effectively the wrench performs. More torque means the wrench can apply greater force, which speeds up tasks like tightening or loosening fasteners. However, using too much torque can risk damaging the parts you're working on. Therefore, it's important to select a wrench with an appropriate torque level to balance efficiency and safety.

1Ft.Lbs=1.356N.m

  • Key Parameter 2: No-Load Speed

The no-load speed of an electric impact wrench refers to the motor's speed when it’s running without any load, typically measured in RPM (revolutions per minute). This figure represents the motor's performance in ideal conditions, with no energy loss, and is a key factor when evaluating the tool's efficiency. A higher no-load speed usually means the wrench can perform tasks faster, making it an important consideration when choosing the right tool for the job. Knowing this metric helps users select an electric impact wrench that fits their work environment, boosting productivity and ensuring safety. The no-load speed is measured under optimal conditions, where nearly all of the motor’s electrical power is converted to mechanical power, showcasing the tool’s peak performance.

  • Key Parameter 3: Impact Frequency

Impact frequency is an essential factor when evaluating the performance of electric impact wrenches. It refers to the number of impacts the wrench delivers per minute, measured in IPM (impacts per minute). A higher impact frequency translates to more impacts within a set time, boosting efficiency. For instance, an electric impact wrench with a high impact frequency can tighten or loosen bolts more quickly, making it ideal for tasks that require speed, like those on a construction site. On the other hand, precision work may benefit from a tool with lower impact frequency but higher torque, ensuring delicate components aren’t damaged.

  • Key Parameter 4: Brushless Motor

Brushless motors are commonly used in electric impact wrenches due to their advantages over traditional brush motors. Unlike brush motors, which use carbon brushes and commutators, brushless motors consist of a motor body and a driver. This integration allows for self-regulated operation, eliminating issues like oscillation or sudden load changes. Brushless motors use high-energy rare earth neodymium-iron-boron magnets, making them smaller and more efficient than three-phase asynchronous motors of the same power capacity.

Some of the key advantages of brushless motors include:

  • Longer lifespan: With no brushes or commutators, wear and tear are reduced, extending the motor's life.
  • Higher efficiency: Brushless motors experience less energy loss, allowing them to operate more efficiently and run longer.
  • Lower noise: Since there’s no friction between brushes and commutators, these motors run quieter, providing a more comfortable work environment.
  • Better heat dissipation: Brushless motors stay cooler during operation, reducing the risk of overheating.
  • Lower maintenance costs: These motors require little to no maintenance, reducing overall upkeep expenses.

However, brushless motors do come with a few downsides. They are typically more expensive and can be more complex to maintain due to their electronic control systems. Despite this, their clear advantages have led to the increasing use of power tools like electric impact wrenches.

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1/2 Impact Wrench丨Cordless & Electric Impact Wrench