An impact wrench is an essential air tool for any factory or workshop that needs to quickly tighten or loosen bolts and nuts. sometimes called an impact gun or air wrench, is a must-have tool for any home or professional workshop. This powerful air tool makes quick work of tasks like loosening stubborn bolts, changing tires, and removing rusted parts.

How an impact wrench works

An impact wrench uses compressed air to generate a tremendous amount of torque for driving and loosening fasteners. At the heart of the tool is a hammer and anvil mechanism. An electric motor spins a mass called a hammer, while the anvil stays fixed in place. As the hammer spins, its motion builds up kinetic energy. When one of the hammer's protrusions catches on the anvil, all that energy gets released at once, creating the tool's powerful turning force. For example, are loosened more easily. Due to the percussion mechanism, the devices are also relatively loud, but at the same time also maximally efficient.

The motor also spins a socket at the end of the tool, which transfers the torque to the fastener. A 1" impact wrench can typically deliver between 1000 foot-pounds of max torque. For comparison, that's up to 20 times more twisting force than you can generate with a standard ratchet!

Different Sizes of Impact Wrenches

Impact wrenches come in a range of sizes to suit different bolting needs:

3/8" drive: For medium duty tasks, with up to 50 ft-lbs of torque

1/2" drive: For heavy duty bolting, up to 650 ft-lbs of torque

3/4" drive: For the toughest jobs, over 700 ft-lbs of torque

1" drive: Top of the range industrial models, up to 1,000 ft-lbs of torque

The 1" drive size represents the most powerful class of impact wrench. It can deliver extremely high levels of sustained torque to loosen even rusted or over-tightened large bolts with ease.

Why a 1" Impact Wrench is a Workshop Essential

Now that you understand how this mighty air tool works, let's look at some of the top reasons every workshop needs an impact wrench in their arsenal.

Saves time. An impact wrench removes bolts in seconds that could take minutes with hand tools. You can blaze through jobs faster.

Loosens stuck fasteners. Nothing breaks loose corroded or over-tightened bolts better than an impact wrench. The intense burst of torque can free the most stubborn fasteners.

Prevents fatigue. Wrestling with stuck bolts manually can leave you exhausted. An impact wrench does the work for you.

Allows proper torque. Tightening bolts and nuts to their correct specs prevents parts failures. A torque stick ensures perfect tightness.

High power-to-weight ratio. These tools pack a huge punch for their relatively compact size, making them easy to handle.

Typical Applications for a 1" Impact Wrench

This versatility makes a 1" impact wrench useful for automotive work, factory, appliance repair, construction, machinery maintenance and anywhere else precise fastening is needed.

Automotive:

Changing tires

Removing brake caliper bolts

Servicing suspension components

Draining oil

Truck & Heavy Equipment:

Removing wheel lug nuts

Taking apart diesel engine components

Detaching tracks on construction equipment

Changing buckets on skid steers

Industry:

Removing and tightening bolts during pile press machinery maintenance. 

Assembling and disassembling heavy duty pipe clamps and rigging used when moving pipe stock around the yard.

Tightening and loosening mounting bolts for hydraulic power packs used to drive heavy equipment.

Mounting and dismantling driver guides and leaders on pile driving rigs.

Removing rusted or frozen bolts on cranes, conveyors, and other structural equipment during renovations.

Routine inspection and maintenance of pipe movers, skid-steer attachments, elevators and other mobile equipment.

Securing or removing ground anchors, scaffolding bases, and temporary structural supports.

For anyone who regularly works on machinery, vehicles or does construction, the 1" impact wrench will become your go-to for all sorts of bolting tasks. AEROPRO A312 1-Inch Air Impact Wrench has ultra-large 1925Ft-Lb of max torque output to conquer the most demanding tasks. The structure of the pinless percussion cylinder, with large torque and longer service life. Plastic steel handle, not easy to break. The ergonomic composite housing is lightweight for all day comfort yet able to withstand the harshest job site conditions.

The forward and reverse three gears reverse and adjust the speed to meet different torque requirements.  6" long shaft design, especially suitable for bolt tightening operations in pipe pile factories. 15° inclined joints, the air pipe will not get in the way. Bird-shaped trigger for more comfortable control (inner trigger is also available). Common socket sizes used with 1" impacts include 1-1/4", 1-1/2", and up to 1-3/4" sockets designed for large torque applications. Applied to industrial, automotive maintenance and any place that needs to handle heavy engineering.

Model:A312

Square Drive:1"

Capacity Bolt Size:1-3/4"(45mm)

Working Pressure:90PSI

Working Torque:1925Ft-Lb(2600 N.m)

Free Speed:4000RPM

Dimension:510*181*117mm

Air Consumption:42cfm

Air Hose:1/2''ID

Air Inlet:1/2"

Sug.Air Comp:5HP

Shaft Exposed Length:6''

Net Weight:25.8 Lbs (11.7kgs)

AEROPRO 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.

AEROPRO 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! Sales@Aeroprotools.Com