8431 0278 51 | LUM12 HRX5 | Pneumatic Screwdriver, 0.4 - 5 Nm, 850 rpm

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The workhorse of Atlas Copco's pneumatic screwdriver line-up. 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.

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Order total must be over $999.99, under 20 lbs and shipping within continental USA

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.

Non-Returnable
Spare Parts, Specialty and Custom items are non-returnable and non-refundable
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Overview

Atlas Copco 8431 0278 51

Lum12 Hrx5, Balanced Grip Pnuematic Screwdriver W/ Trigger Start, 3.5-44.2 In Lb


The LUM pistol grip range comes in several different configurations:

  • 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 fl exible connection.
  • The LUM32 model has the highest force to weight ratio amongst the pneumatic screwdrivers. It is also a tool with low reaction force and fast shut-off because of the position of the clutch. RE reporting models are available, designated with suffi x –RE. Soft stop options are available, designated with the suffi xSS.
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Features & Benefits

  • Grip perfectly balanced for standard pistol grip applications.
  • Equipped with a spring-operated shut-off clutch
  • Reversible
  • Superior ergonomics
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Technical Specifications

Model
LUM12 HRX5
Stat 1
Trigger Start
Stat 2
3.5 - 44.2 In Lb
Drive size
1/4'' hex
Manufacturer
Atlas Copco
Length (mm)
186
Max Air Consumption (cfm)
13
Free Speed (RPM)
850
SKU
8431 0278 51
Stock Code
3
Air Inlet
1/8 in.
Style
Pistol Grip
Min Torque (In Lb)
3.5
Max Torque (In Lb)
44.2
Min Torque (Nm)
0.4
Max Torque (Nm)
5
Max Free Speed (rpm)
850
Weight (lbs)
1.5
Series
LUM
Min Hose Size (mm)
6
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Technical Documents

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