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Modern cordless impact wrenches bring incredible capability and portability to high-torque fastening application. And they represent just one key product sector in the rapid advancement of mobile battery-powered tools.

Pneumatic and Electric Cordless

In the past, most heavy-duty impact wrenches were pneumatic, meaning they were powered by an air compressor. Pneumatic tools are still common in automotive shops and industrial settings where large air lines are readily available.

Meanwhile, cordless electric impact wrenches have surged in popularity thanks to their portability and freedom from hoses and noisy compressors. With high-capacity lithium-ion batteries, cordless models can run for hours without losing power. They're also considerably lighter than their air-powered counterparts.

For maximum convenience, some contractors opt for compact cordless impact wrenches that weigh under 5 lbs yet still pack over 400 ft-lbs of torque, more than enough for most automotive applications.

A Solution for Frequent Disassembly

So with all that torque packed into such a portable package, what are some key ways that cordless impact wrenches get used? One primary purpose is any situation requiring frequent disassembly and reassembly of large fasteners and fittings.

In automotive repair, this could mean everything from swapping tires to removing brake components, suspension arms, engine assemblies, and more. Rather than struggling with breaker bars or cutting tools, a few seconds with an impact wrench instantly breaks even the most stubborn connections. This massively reduces effort and repair time on the disassembly phase. Reassembly is easy as simply spinning fasteners back on without overtightening.

They can just as easily be used in an auto repair shop as they can at a remote job site miles away from the nearest power source. The battery-powered platform frees technicians to take these mighty tools anywhere to increase productivity instead of having to constantly reposition or run additional air lines.

On construction and industrial job sites, impact wrenches enable efficient building, modifying, and maintaining large machinery and structures held together by high-torque bolted connections. Whether working at ground level or high up on a scaffold, the portable cordless nature lets mechanics work unencumbered compared to air tools. Anchor bolts, structural steel fasteners, pipeline fittings, equipment mounts, and more can all be swiftly removed and retightened with the right impact wrench and socket set.

Power and Precision in One Package

While raw torque output is the biggest selling point, cordless impact wrenches also offer surprising control and finesse when needed. The impacts produced by the hammer mechanism only occur when you're trying to break a fastener loose or seat it down tight. Once the anvil begins spinning freely, the hammer mechanism disengages to allow smooth rotation without the jarring blows.

This dual mode operation is a major advantage over clunky impact sockets or sledgehammers, which are really only suitable for aggressive nut-busting tasks. With an impact wrench, you get the best of both worlds - massive loosening torque combined with the ability to neatly run a bolt down without damaging it.

Many impact wrench designs also incorporate a finely-tuned torque control system. By setting a specific torque value on the tool, you can automatically disengage the impacting mechanism once that threshold has been reached. This allows precise tightening of critical fasteners according to the manufacturer's torque specifications.

For instance, automotive technicians must follow strict torque procedures when servicing engines, transmissions and suspension components. Overtightened fasteners could distort metal components, while undertightened hardware could vibrate loose and cause serious damage or safety issues.

With the twist of a dial or push of a button, you can quickly dial in the ideal torque setting for the job at hand. No more cumbersome torque wrenches or irritating click signals to slow you down.

We are in constant pursuit of engineering breakthroughs that will make the RONGPENG R681 1/2" cordless impact wrench even smaller, lighter and longer-lasting.

Long service life, good quality, and the gun body is resistant to falling. An auto mechanic can use a battery for 4-5 full days. The body is lighter than most brands of lithium battery wrenches on the market, making it easy to use and reducing the fatigue of your opponent after long-term use.

It is used for the tightening of large hexagonal head high-strength bolts and the initial tightening of torsion-shear type high-strength bolts in the installation of steel structure bridges, road guardrail infrastructure, factory buildings, chemical industry, and power generation equipment, as well as for the torque or axial force of bolt fasteners. Strictly demanding occasions.

 Model: R681

Type: Cordless Impact Wrench

Anvil size: 1/2''

Maximum torque:850N.m

Maximum loosening torque:1000N.m

Rated Voltage: 20V Li-ion battery

Rated Input Power: DC

Battery Charge: 110V~240V,50/60Hz

Input Voltage: DC20V, 4.0 Ah

No-Load Speed: 0-2200rpm

Weight: 1.8kg

RONGPENG  has quickly risen to become an unrivaled global producer of air-powered devices including air tools, air spray gun, air nailer, airless paint sprayer, and etc.

RONGPENG  seeks independent sales agent to represent and market our industry-leading pneumatic tools. We support OEM, ODM, OBM customization, small order quantity is acceptable and samples are available.

Make any cooperation possible. Any services related to the product, inquire with us now! Rongpeng@Rongpeng.Com