![]() As a result, the twisting motion-known as reactionary torque-that you feel when using an electric drill is virtually eliminated. Fortunately, impact wrenches are extremely comfortable to use because the concussive blows smoothly transfer most of that high-energy torque directly to the fastener, not to your hand, wrist, or arm. However, all that brute strength isn’t very useful if you can’t control the tool. By comparison, cordless impact wrenches can easily produce torque outputs of over 250 foot-pounds, which is more than enough muscle to power-drive the fattest lags and bust loose rusty, corroded nuts. For example, most cordless drill/drivers produce about 50 foot-pounds of torque, and the average impact driver delivers about 125 foot-pounds. It employs both rotational force (torque) and short-burst concussive blows (impacts) to deliver an unparalleled amount of power. Unlike cordless drill/drivers and impact drivers, which excel at drilling holes and driving screws, the impact wrench is specially designed for tightening and loosening various hex-head bolts, nuts, and lag screws. What You Need to Know About Impact Wrenches How They Work Best Compact Impact Wrench: DEWALT Atomic 20V Max Compact 1/2-Inch Impact Wrench.Best for Mechanics: Milwaukee M18 FUEL Compact 1/2-Inch Compact Impact Wrench.Best Value: Ryobi 18V One+ 1/2-Inch Impact Wrench.High Torque for the Price: DEWALT 20V Max XR 1/2-Inch Impact Wrench.Best Overall: Milwaukee M18 Fuel 1/2-Inch Impact Wrench.Read on for some buying advice, followed by our findings and reviews of the best impact wrenches. We tested a range of impact wrenches-from a heavy-duty, high-torque model down to a compact, medium-duty model-and subjected them all to the same challenges to identify their strengths and weaknesses. Not being tied to a compressor with an air hose, these tools can easily go wherever they’re needed. In fact, cordless impact wrenches have a tremendous advantage: mobility. The good news is that cordless, battery-powered impact wrenches have gotten better as battery technology improves, which has brought prices down and made them viable alternatives to their pneumatic cousins. To run a typical 1⁄2-inch pneumatic impact wrench, you usually need an air compressor putting out close to 100 psi-a significant investment. Switch to our REDLITHIUM™ XC5.0 Battery Pack to instantly upgrade the runtime and durability of your Milwaukee M18™ cordless tools.Historically, impact wrenches were predominantly pneumatic, or air powered, which left them squarely in the domain of professional mechanics. An integrated temperature management system and individual cell monitoring help to maximize your battery's life. Built-in REDLINK™ Intelligence protects the battery from overloads, preventing you from damaging your cordless power tools in heavy-duty situations, while the discharge protection prevents cell damage. This protection routes water away from the electronics and out of the battery pack, extends your battery's run-time and life by minimizing heat, and prevents pack failures from vibration or drops. Each battery pack is durably built for heavy-duty use, runs cooler, and performs in climates below 0☏/-18☌. The rechargeable battery also offers you 5.0 amp-hours of runtime. The lithium-ion battery pack features superior pack construction, electronics, and performance giving you more work per charge and more work over pack life than any battery on the market. Our M18™ REDLITHIUM™ XC5.0 Battery delivers up to 2.5X more runtime, 20% more power and 2X more recharges than standard lithium-ion batteries. Self-Tapping Screw Mode is designed to reduce walking when starting self-tapping screws as well as reduce overdriving, breaking, and stripping out screws. For use with REDLITHIUM™ Compact Batteries or Extended Capacity Batteries (sold separately), which deliver more work per charge and more work over the life of the pack than competitive batteries on the market.The 4-Mode DRIVE CONTROL™ provides greater control over output speed and power for greater versatility by delivering 0-850 RPM in Mode 1, 0-2100 RPM in Mode 2, and 0-3000 RPM in Mode 3. REDLINK PLUS™ Intelligence is the most advanced electronic system on the market, preventing damage to the tool and battery caused by overloading or overheating. The POWERSTATE™ Brushless Motor delivers up to 0-3,000 RPM with constant power output to drive screws faster. At 1800 in-lbs of fastening torque, this tool drives screws faster but also provides greater control over power and speed thanks to its proprietary 4-mode DRIVE CONTROL™. The M18 FUEL™ ¼” Hex Impact Driver is the Most Powerful Tool in its Class. View All - Personal Protective Equipment.SHOCKWAVE™ Lineman's Sockets & Adapters. ![]() View All - Concrete Drilling and Chiselling.View All - Vacuums & Vacuum Accessories.
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