Atlas Copco 8431 0278 70 | LUM22 HRX3-RE | Pnuematic Screwdriver w/ Trigger Start, 5.3 - 26.5 in lb

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*Manufacturer warranty only cover you for so long. FLEX Warranty extends and enhances your coverage for up to two years.

Atlas Copco 8431 0278 70 | LUM22 HRX3-RE | Pnuematic Screwdriver w/ Trigger Start, 5.3 - 26.5 in lb

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Atlas Copco 8431 0278 70

Lum22 Hrx3-Re, Pnuematic Screwdriver W/ Trigger Start, 5.3 - 26.5 In Lb


LUM models have a fast and accurate shut-off clutch for smooth performance and high quality tightening.
They are suitable for joints with demands on torque accuracy, providing accurate tightening time-after-time, independent of variations in joint stiffness. Electro Static Discharge (ESD) approved models and RE models are available in this range. RE models enable a signal to be received from the tool, in order to control batch count. All RE models need to be combined with an external RE control system. Shut-off tools are the best choice for machine screws, thread-rolling screws and thread-forming screws for plastic.
  • Designed with ergonomics in mind.
  • Supplies the accuracy demand for each application.
  • Certified for torque accuracy throughout its entire service life.
  • Easy to service and is supplied with comprehensive documentation.
  • Built to last in industrial environments.
  • Based on many years of experience in tool design.
  • Backed by a technical support organization unequaled in the industry.
*HR: Model with non-balanced grip can be used with high grip when feed force is needed or with low grip for minimal reaction force.
*HRX: Model with balanced grip perfectly balanced for standard pistol grip applications.
*HRF: Balanced grip with multiple air inlets for flexible connection.
*RE reporting models are available, designated with suffix ?RE. Soft stop options are available, designated with the suffix SS.

The LUM series is the workhorse of Atlas Copco's pneumatic screwdrivers. Designed to be comfortable to work with all day and to be durable in a tough production environment, they combine the best engineering, continuously refined and improved, to bring you superior ergonomics, durability and productivity.

Get your tool under our Flex Warranty!

We will fix it or replace it.

FLEX Warranty keeps your tools safe when manufacturer warranties come up short. Bad luck deserves good coverage.

*Manufacturer warranty only cover you for so long. FLEX Warranty extends and enhances your coverage for up to two years.

Features & Benefits

  • Great durability and productivity
  • Increased performance
  • Reversible
  • Superior ergonomics

Technical Information

Technical Specifications

Technical Specifications

SKU: 8431 0278 70
Manufacturer Atlas Copco
Model LUM22 HRX3-RE
Stock CodeC
Drive size 1/4'' hex
Drive Type 1/4'' hex
Free Speed (RPM) 2250
Length (mm) 187
Max Free Speed (rpm) 2250
Series LUM
Torque Range (In Lbs) 5.3 - 26.5
Torque Range (Nm) 0.6 - 3
Weight0.9 lbs

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