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How to choose an impact wrench: Buying guide

✅ Why Choose Carefully

THE'impact wrench It is the perfect tool for tighten screws, bolts and nuts to high torque, even on hard materials or resistant threads. It is designed to transfer high torque through rotating blows (impulses), reducing manual effort and stress on the wrist. It is indispensable in mechanical workshops, structural assembly, metal carpentry and construction sites.

🔍 Types of Impact Wrenches

🔋 Battery operated

The most versatile choice. Perfect for use on the job site or on the move. The 18V or 40V models guarantee power and autonomy professional.

⚡ Electric wire

It offers constant and continuous power. Ideal for stationary use in the workshop or on the bench.

💨 Tire

It works with compressed air. Very powerful, used in mechanical workshops, tyre shops and industrial environments. Requires compressor.

🛠️ What to Consider When Choosing

Diet

  • Battery: Freedom and Mobility

  • Electric: continuity and simplicity

  • Pneumatic: Extreme strength but air system necessary

    Tightening torque (Nm)

  • 150–250 Nm → general use and medium screwdriving

  • 300–600 Nm → professional use and structural bolts

  • Over 800 Nm → heavy applications, wheels, carpentry

    Speed and pulses per minute

  • Electronic or multi-stage regulation

  • Over 2000 ipm for fast and precise work

    Tool attachment and compatibility

  • 1/4” hex → standard inserts

  • 1/2” square → sockets and wrenches

  • Quick coupler or push-on chuck

    Ergonomics and comfort

  • Non-slip rubberized grip

  • Weight balance and brushless motor

  • Integrated LED light for working in low-light environments

👷 Which Impact Wrench to Choose Based on Use

For light assembly and home use

→ Cordless screwdriver 12V–18V, torque 150–200 Nm, 1/4” drive, lightweight and compact

For construction sites and professional use

→ 18V brushless screwdriver, adjustable torque up to 400–600 Nm, with double battery and case

For mechanical workshops and tire dealers

→ Pneumatic screwdriver 800–1200 Nm, 1/2” drive, metal body, high resistance

For structural work or heavy duty applications

→ 40V battery or industrial pneumatic model, over 1000 Nm, with anti-vibration technology and electronic protection

🛒 Where to buy it

The best professional impact wrenches – battery-powered, electric or pneumatic – are available at retail outlets EmmetiStore, with selected models from the best brands such as Makita, DeWalt, Bosch, Milwaukee, Stanley and Metabo. The EmmetiStore team will guide you in choosing the most suitable model, with compatible batteries, impact sockets, original spare parts and dedicated accessories.