Description
Sunex Tools 1/2″ Drive Magnesium Composite Impact Wrench (SX1202) is engineered to provide high torque output within a lightweight, ergonomic frame. Designed for professional automotive and industrial environments, this tool delivers 1,650 ft-lbs of breakaway torque and 750 ft-lbs of working torque, making it suitable for removing stubborn fasteners and completing heavy-duty assembly tasks. By utilizing a magnesium alloy clutch housing, the tool achieves a power-to-weight ratio of 458 ft-lb/lb, ensuring that users can access significant power without the physical strain associated with heavier metal-bodied wrenches.
Key Features and Benefits:
- High-Efficiency Motor: Built around 7 spring-loaded rotor blades, ensuring faster startups and smoother power delivery for longer tool lifespan.
- Lightweight Magnesium Housing: Significantly lighter than steel or aluminum, offering superior heat dissipation properties and natural resistance to corrosion.
- 360-Degree Rotating Air Inlet: Enhances maneuverability, preventing the air hose from twisting or kinking when working in cramped spaces.
Specifications:
- Drive Size: 1/2″
- Breakaway Torque: 1,650 ft-lbs
- Working Torque: 750 ft-lbs
- Free Speed: 10,000 RPM
- Weight: 3.6 lbs
- Sound Level: 96.8 dBA
- Housing Material: Magnesium Alloy
- Handle Material: 40% Glass-Filled Nylon
- Rotor Type: 7 Spring-loaded blades
- Included in Box: Sunex SX1202 1/2″ Impact Wrench, Product Manual
How to Use:
- Air Supply Connection: Ensure your air compressor is set to 90 PSI. Connect a 1/4″ NPT air fitting to the 360-degree rotating air inlet using thread sealant.
- Lubrication: Before each use, add 2Ð3 drops of pneumatic tool oil directly into the air inlet to maintain the 7 spring-loaded rotor blades.
- Socket Attachment: Securely press a 1/2″ drive impact-rated socket onto the anvil. Ensure it clicks into place on the friction ring.
- Torque Selection: Use the one-hand switch regulator on the back of the tool to select your desired power level and direction (Forward or Reverse).
- Fastener Alignment: Place the socket firmly over the fastener. Keep the tool perpendicular to the work surface to prevent slipping.
- Operation: Squeeze the trigger to begin the impacting process. For loosening, apply steady pressure until the breakaway torque overcomes the fastener.
- Post-Use: Disconnect the air hose and wipe down the magnesium housing to remove any oils or shop debris before storage.
Benefits of Using Sunex Tools 1/2″ Drive Magnesium Composite Impact Wrench (SX1202):
- Ergonomic Advantage: Weighing only 3.6 lbs, it is the lightest tool in its performance class, reducing user fatigue and risk of repetitive strain.
- Effective Thermal Management: Magnesium housing effectively manages heat, keeping internal components at a stable temperature during prolonged use.
- Increased Productivity: The high 10,000 RPM free speed allows for faster rundown of fasteners, boosting overall shop productivity.
Features:
- Magnesium Clutch Housing: Provides a high strength-to-weight ratio while managing thermal loads during high-frequency use.
- 40% Glass-Filled Nylon Handle: Offers high impact resistance and protects the tool from chemical degradation caused by shop solvents.
- One-Hand Regulator Dial: Allows the operator to change torque settings and direction without needing to use a second hand.
- Swivel Air Inlet: A 360-degree rotating joint that minimizes hose interference and improves tool movement in tight spaces.
- Quiet Technology: Internal baffling reduces sound output to 96.8 dBA for a more manageable acoustic environment.
- 7-Blade Motor Configuration: Enhances internal air distribution for immediate torque and smoother rotation.
- Friction Ring Anvil: Enables quick socket changes while maintaining a secure hold during high-speed operation.






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