A reliable cordless impact wrench from Grainger can help you get the big jobs done whether you work in construction, automotive, or another industry that requires powerful torque. New battery technology helps provide cordless impact wrenches with consistent power and quick recharge. Choose from the brands you use everyday and add this valuable tool to your toolbox. Find a cordless impact wrench that can fit your applications at Grainger.Close

Cordless Impact Wrenches, Cordless Shear Bolt Wrench, Drive Size 1/2 In., Drive Configuration Straight, Max. Torque 48 ft.-lb., Battery Included, Voltage 14.4, Series Standard, Cordless Tool Battery Type Li-Ion, Brushless Motor No, Anvil Impact Action Mechanical, Max. Blows per Minute 3200, Max. No Load RPM 2200, Cordless, Handle Type Pistol Grip, Battery Capacity 3.0Ah, Tool Length 14 In., Tool Weight 5 lb., Clutch Style Anvil, Battery Included 13P981, Battery Pack Replacement 13P981
As the output of an impact wrench, when hammering, is a very short impact force, the actual effective torque is difficult to measure, with several different ratings in use. As the tool delivers a fixed amount of energy with each blow, rather than a fixed torque, the actual output torque changes with the duration of the output pulse. If the output is springy or capable of absorbing energy, the impulse will simply be absorbed, and virtually no torque will ever be applied, and somewhat counter-intuitively, if the object is very springy, the wrench may actually turn backwards as the energy is delivered back to the anvil, while it is not connected to the hammer and able to spin freely.[citation needed] A wrench that is capable of freeing a rusted nut on a very large bolt may be incapable of turning a small screw mounted on a spring. "Maximum torque" is the number most often given by manufacturers, which is the instantaneous peak torque delivered if the anvil is locked into a perfectly solid object. "Working torque" is a more realistic number for continually driving a very stiff fastener. "Nut-busting torque" is often quoted, with the usual definition being that the wrench can loosen a nut tightened with the specified amount of torque in some specified time period. Accurately controlling the output torque of an impact wrench is very difficult, and even an experienced operator will have a hard time making sure a fastener is not under-tightened or over-tightened using an impact wrench. Special socket extensions are available, which take advantage of the inability of an impact wrench to work against a spring, to precisely limit the output torque. Designed with spring steel, they act as large torsion springs, flexing at their torque rating, and preventing any further torque from being applied to the fastener. Some impact wrenches designed for product assembly have a built-in torque control system, such as a built-in torsion spring and a mechanism that shuts the tool down when the given torque is exceeded. When very precise torque is required, an impact wrench is only used to snug down the fastener, with a torque wrench used for the final tightening. Due to the lack of standards when measuring the maximum torque, some manufacturers are believed to inflate their ratings, or to use measurements with little bearing on how the tool will perform in actual use.[citation needed] Many air impact wrenches incorporate a flow regulator into their design, either as a separate control or part of the reversing valve, allowing torque to be roughly limited in one or both directions, while electric tools may use a variable speed trigger for the same effect.
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Cordless impact wrenches are a great tool to use regardless – but they’re even better for people who enjoy working freely and without the restriction of a cord, or for people who need to be able to have tools that can travel with them throughout a workday. Cordless impact wrenches help to make work more convenient and an easy without sacrificing on any of the power that the air powered models are able to produce.

When compared to many other power tools, cordless impact wrenches are quite specialized in what they do. Large nuts and bolts may not need to be removed or tightened as often as smaller screws. But when you do need to adjust one, a cordless impact wrench will save you both time and energy. They can also loosen and tighten nuts and bolts much more accurately than hand tools such as sockets and ratchets, which is critical when it comes to working with larger bolts or on machinery.
However, since most lug nuts tend to sit in their position for quite some time before being removed, there are several things that must be factored into place. The first is that the lug nut could become too cold and freeze. This will affect how much power it takes to get the lug nut out of its place. There is also the chance that your lug nut could be stuck if one of the threads was broken or over-tightened the last time it was serviced.
cone wrench cone spanner A thin open-end wrench used to fit narrow wrench flats of adjustable bearing bicycle hubs. Called a "cone" wrench because it fits wrench flats of the cone section of a "cup and cone" hub, this tool is also used with some other adjustable hub bearings. The wrench is very thin so has little strength; to compensate, cone wrenches typically have a large head. Most bicycle front hubs use a 13 mm; most rears use 15 mm. specialty
As it is, the tool has a very effective 2-position power button. In position 1, the power is limited to 100 lb/ft for when you need accuracy and a gentle touch. Setting 2 unleashes the dogs of war and allows you to crank out the full 700 lb/ft of torque for unrivalled power. There is no rusted or over-tightened bolt on earth that is going to be able to resist that level of power!
Power. Yes, at the end of the day it’s all about that delicious power, baby! Let’s face it; if a regular wrench were enough for the job, you’d just use that. The fact that sometimes (often in fact) it’s a real struggle to loose some rusted on or tight bolts is the reason Impact Wrenches were invented. They put an incredible amount of power right into the palm of your hand.
For more than 100 years, professionals have relied on Ingersoll Rand for quality and performance on the toughest jobs. Our advanced engineering and manufacturing have a standard of excellence often copied, but never matched. When it comes to assembly tools, industrial tools, cordless tools and vehicle service tools, don't settle for less. Count on genuine Ingersoll Rand tools, accessories, and equipment.
A common hammer design has the hammer able to slide and rotate on a shaft, with a spring holding it in the downwards position. Between the hammer and the driving shaft is a steel ball on a ramp, such that if the input shaft rotates ahead of the hammer with enough torque, the spring is compressed and the hammer is slid backwards. On the bottom of the hammer, and the top of the anvil, are dog teeth, designed for high impacts. When the tool is used, the hammer rotates until its dog teeth contact the teeth on the anvil, stopping the hammer from rotating. The input shaft continues to turn, causing the ramp to lift the steel ball, lifting the hammer assembly until the dog teeth no longer engage the anvil, and the hammer is free to spin again. The hammer then springs forward to the bottom of the ball ramp, and is accelerated by the input shaft, until the dog teeth contact the anvil again, delivering the impact. The process then repeats, delivering blows every time the teeth meet, almost always twice per revolution. If the output has little load on it, such as when spinning a loose nut on a bolt, the torque will never be high enough to cause the ball to compress the spring, and the input will smoothly drive the output. This design has the advantage of small size and simplicity, but energy is wasted moving the entire hammer back and forth, and delivering multiple blows per revolution gives less time for the hammer to accelerate. This design is often seen after a gear reduction, compensating for the lack of acceleration time by delivering more torque at a lower speed.
The Milwaukee 2763-22 M18 is one of the best designs on the market today in terms of powerful and capable tools, which is why it made our cut for premium choice. The device is capable of generating an impressive 700 ft-lbs of maximum fastening torque and up to 1100 ft-lbs of nut busting torque. It makes innovative design and simplicity merge in a beautiful combination with the thoughtfulness put forth by the manufacturers and helps to make socket changes easier with its ½ inch anvil.
There are many reviews and head-to-head impact wrench tests that already exist. Most of these tests include the Skidmore Wilhelm torque testing equipment. By turning a large nut, you raise the needle on the PSI gauge. Then, dividing by a factor provides a “torque” number. While these tests do a great job at validating (or not) manufacturer calculated numbers, we felt there were better ways to demonstrate raw power. In short, we weren’t satisfied with doing the same ol’ same.
Wrenches are used for tightening and loosening nuts and bolts and they come in many sizes. An adjustable wrench allows you to work with many different sizes without having to change tools. Combo wrenches include a ratchet head at the other end and socket wrenches hold various sizes of fasteners in one head. Find a wrench set to meet your needs whether you need a set of 5 to keep on your boat, or larger set for working on the car or around the house. Find amazing deals on tools that last at Harbor Freight Tools.
Keep in mind that all rechargeable batteries slowly lose their charge when not in use, but some batteries lose their charge much faster than others. The capacity of a battery used in a power tool is usually expressed as the amount of amperage hours (Ah) that it can deliver. “Ah” is different than the overall amperage rating of the tool. Here, Ah represents how much energy flow the battery can hold, not the level of current during operation. Keep in mind that a higher Ah means longer battery use between charges.
Saltus wrench scaffolders spanner Similar in concept to a socket wrench. A Saltus wrench features a socket permanently affixed to a handle. Sockets are not interchangeable as with a socket wrench. The socket often rotates around the handle to allow the user to access a fastener from a variety of angles. Commonly a Saltus wrench is part of a double-ended wrench, with an open-end type head on the opposite side from the socket head. common
While pistol impact wrenches are bulkier, their grip style is more ergonomic to prevent strain on your hands, which in turn allows you to work for longer periods without fatigue. Some of these models can equip side handles which let you use your weight for greater leverage and to maintain a proper working angle. If you don’t need the special fit of an inline wrench, a pistol-style impact wrench is usually the ideal choice.
I bought this on a whim when I walked by it at my neighborhood Denver Walmart. I am a professional mechanic, and this tool has been perfect for light to heavy workload. Using it in a shop where I need it for at least ten cars a day, It works great for every task, especially taking lug nuts off of wheels. I did break it within a year, however, which is Campbell Hausfeld's factory warranty, and I contacted them and I got a completely free replacement, and really great service in the process. No, it's not the absolute best impact wrench, but it is worth much more than the price, as I have had many other brands for way too much money, and this one beats all of them that were worth even up to 300 bucks. Above all, the service and the warranty were the best parts of my experience, and I highly recommend it.
If you have the Matco MCL2012HPIWK impact wrench, then you should be proud of it. It won’t leave someone stranded by not doing work. In fact, when using the Matco Tools impact, it felt like it hit the hardest initially when removing a fastener, and this showed in our speed test. It does lack in the total power department, but that’s not the real reason this impact finished in 8th place.

Wrenches with one fixed and one adjustable parallel jaw can be used on various sizes of bolts and nuts within a limited range. On one type the jaws are at right angles to the handle; this wrench is known as a monkey wrench. On another type, originally called a Crescent wrench, the jaws are almost parallel to the handle. On both types the movable jaw is adjusted by turning a worm that engages a rack of teeth cut into the jaw.


Strong compact lightweight and forceful this 20-Volt cordless Strong compact lightweight and forceful this 20-Volt cordless impact wrench crams into tight spaces and delivers a hearty 1800 in. lbs. of torque. At just 3.4 lbs. DEWALT gives you the ability to deftly handle this tool for a variety of fastening jobs. When visibility diminishes ignite 3 front-facing LED ...  More + Product Details Close
For more  than 100 years, professionals have relied on Ingersoll Rand for quality and performance on the toughest jobs. Our advanced engineering and manufacturing have a standard of excellence often copied, but never matched. When it comes to assembly tools, industrial tools, cordless tools and vehicle service tools, don't settle for less. Count on genuine Ingersoll Rand tools, accessories, and equipment.
If you really (Really) need brute force, look at this Air Cat Nitro Cat. It delivers an amazing 1,000 blows-per-minute delivering all the speed of a 1/2-inch drive tool with 3/4-inch drive power. They are engineered with the Extreme hard-hitting, twin-clutch mechanism. The housing is aramid-reinforced and it keeps the weight at only 4.7 pounds. By the way, it has a torque rating of (get this) 950 foot-pounds. (Image/Summit Racing)
DeWalt’s 20-volt 880 Lithium-Ion cordless impact is a 1/2-inch drive job with a whopping 400 foot-pounds of torque rating. This tool has a variable-speed trigger with an electric brake; an ergonomic handle provides added control and comfort. It even includes an LED light with 20-second delay, providing greater visibility when working in dark areas. See the Summit Racing catalog for more info. (Image/Summit Racing)
Long before we received the first tool for the best cordless impact wrench shootout, we were analyzing and brainstorming to determine the best avenue for power testing on impact wrenches. In short, we didn’t find anything that existed. So, we built our own rig. While it may not look like much, there are months and months of drawings, fabrication, cutting, re-thinking, un-fabricating, and re-fabricating. Then came the testing, and back through the grind again.
tappet wrench ? A spanner of small to moderate size constructed similarly to an open ended wrench, but with a thinner cross section. Its purpose is to apply torque to the fasteners found on the valve trains of older engines, especially automobile engines, where the valve train required adjustment of the tappets (also known as lifters). Tappets, push rods, rocker arms and similar adjustable pieces are often equipped with locknuts which are thinner than standard nuts, due to space limitations. Frequently, the hex section of the adjustment is contiguous to the lock nut, thus requiring a thinner "tappet wrench" to be used. specialty
I definitely like the mobility of the electric impact, as a road mechanic it’s a lifesaver. That being said their’s nothing like being able to call in for some air support. I’ve had several air impact wrenches throughout the years, from 3/8″ up to 3/4″. I’d have to say Ingersoll Rand makes the best product. Their line of composite guns is my favorite by far. All the torque you need, without all the weight associated with some older models.
If someone or something throws a wrench into the works or throws a monkey wrench into the works, they cause problems which prevent something from happening in the way that was planned. Of course they may not sign the agreement by the sixteenth and that would throw a monkey wrench into the works. Note: Instead of saying the works, people often describe the situation in which the problem is caused. Most health-related problems, of course, are not life-threatening, but they can throw a wrench into an otherwise pleasant holiday. The US delegation threw a giant monkey wrench into the process this week by raising all sorts of petty objections. Note: The usual British expression is throw a spanner in the works.

box-end wrench ring spanner A one-piece wrench with an enclosed opening that grips the faces of the bolt or nut. The recess is generally a six-point or twelve-point opening for use with nuts or bolt heads with a hexagonal shape. The twelve-point fits onto the fastening at twice as many angles, an advantage where swing is limited. Eight-point wrenches are also made for square-shaped nuts and bolt heads. Ring spanners are often double-ended and usually with offset handles to improve access to the nut or bolt. common
A total length of barely 5 inches and a weight of less than 3 pounds means this tool is one of the few things around that is actually smaller than your Dad’s… ego. Jokes aside, if you need a tool to fit into tight spaces, this could be the one for you. It also boasts a comfortable ergonomic grip, a 3x speed power selector for effective control and the brushless engine we like to see.

Saltus wrench scaffolders spanner Similar in concept to a socket wrench. A Saltus wrench features a socket permanently affixed to a handle. Sockets are not interchangeable as with a socket wrench. The socket often rotates around the handle to allow the user to access a fastener from a variety of angles. Commonly a Saltus wrench is part of a double-ended wrench, with an open-end type head on the opposite side from the socket head. common
One issue noticed by a couple of the testers was the placement of the reversing switch. The switch seems to be right in the path of your trigger finger. Sometimes, when trying to go fast, the forefinger would push the switch into the neutral/locked position. This didn’t happen all the time, and it seemed to only be noticeable to those with larger hands.

Wrench, also called spanner, tool, usually operated by hand, for tightening bolts and nuts. Basically, a wrench consists of a stout lever with a notch at one or both ends for gripping the bolt or nut in such a way that it can be twisted by a pull on the wrench at right angles to the axes of the lever and the bolt or nut. Some wrenches have ends with straight-sided slots that fit over the part being tightened; these tools are known as open-end wrenches and are made in various sizes to fit specific bolt and nut sizes.

Keep in mind that all rechargeable batteries slowly lose their charge when not in use, but some batteries lose their charge much faster than others. The capacity of a battery used in a power tool is usually expressed as the amount of amperage hours (Ah) that it can deliver. “Ah” is different than the overall amperage rating of the tool. Here, Ah represents how much energy flow the battery can hold, not the level of current during operation. Keep in mind that a higher Ah means longer battery use between charges.
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