If you've ever been anywhere near an automotive shop or watched a pit crew at just about any race, you've probably seen - or heard - one in action. What is an air impact wrench and how does it work?Īn air impact wrench is the classic automotive mechanic's tool. Also, read the manufacturer's manual for more specific information about safely using your new toy. How do you stay safe while using your air impact wrench? Nothing beats common sense - such as wearing appropriate eye and ear protection. Save the 3/4-inch and 1-inch drives for the heavy-duty jobs. What size drive do you need? Air impact wrench drives come in a multitude of sizes, but remember that 3/8-inch or 1/2-inch will do just fine for most garage applications. Make sure you invest in an adequate air source before investing in air tools. This means a 3-gallon pancake air compressor and a 1/4-inch hose probably won't cut it. How much air pressure do you need? A general rule of thumb is that most air tools need around 90 PSI of continuous pressure to do the job they were designed for. You're not going to need a heavy duty 1-inch drive air impact wrench with nearly 1,500 pound-feet of torque to loosen a rusted leg bolt on your barbecue grill. How much torque do you need? As you see above, torque varies greatly by manufacturer, wrench size and application. Are you a weekend wrencher tightening the occasional lug nut or loosening a stuck chassis bolt, or are you going to count on your tools to make a living? How will you be using it? You'll need to pick your air impact wrench based on the application you want to use it for. Ingersoll Rand also advertises a more expensive but quieter version - the 2235QTiMAX - if money isn't an issue.ĥ things you need to know before buying and using an air impact wrench That's why I recommend the Ingersoll Rand 2235TiMAX as the best overall air impact wrench. The company backs its product with a two-year warranty. Several of these reviewers note that it's not their first experience with Ingersoll Rand, and some say the air impact wrenches they bought decades ago still work like a charm. ![]() Nearly 2,000 reviewers on Amazon gave the Ingersoll Rand 2235TiMAX air tool an average rating of 4.8 out of 5, with many recommending it for daily use, touting its light weight and reliability. An adjustable four-position power regulator means you can switch between power modes and adjust torque output for each task, while a one-handed forward-reverse mechanism enables direction changes at the push of a button. Made in the USA, the Ingersoll Rand 2235TiMAX features a titanium hammer case and steel wear plate to withstand harsh work environments. Weighing just 4.6 pounds and advertised as having the best power-to-weight ratio in its class, the 2235TiMAX's 1,220 blows-per-minute twin-hammer impact mechanism with 1/2-inch drive delivers up to 1,350 pound-feet of torque for the toughest jobs. ![]() Our choice for best overall air impact wrench is the Ingersoll Rand 2235TiMAX.
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