Air impact wrench

An air (pneumatic) nutrunner is a tool which allows to tighten or loosen threaded fastening elements without effort. For example, this equipment is used when working with nuts, bolts, screw anchors. It is powered by air supplied by a compressor.

Types of pneumatic nutrunners

In the manufacturers’ catalogues, there are products with following mechanism type:

• Air impact wrenches. They are highly effective when working with large fasteners. Besides, they help to loosen even those elements that are severely damaged by corrosion.
• Air ratchet wrenches. They help to perform the tasks as precisely and accurately as possible, therefore, are mainly used for working with small parts. They are cheaper than impact wrenches.

Depending on the body type, these tools can be:

• Straight. They are essential for fastening or unfastening the joints which are located in hard to reach places of the car.
• Angle. They are pistol-type tools and have an ergonomic handle, which makes them comfortable to use.

These items also vary in the maximum torque values, rotational speed and air consumption.

Maintenance tips

1. It is recommended to connect the tool to the air compressor fitted with a pressure controller. This will reduce the risk of the premature wear and tear.
2. You should use a special oil to maintain the equipment to prevent corrosion. The manufacturers often recommend applying silicone-free synthetic lubricant on the tool.
3. You should use the impact wrench only with special bits made of the materials with the increased elasticity. This helps to extend the service life of the tool shaft.
4. It is advisable to prevent the equipment from being damaged, getting wet or being exposed to high temperatures.

Professional help from Buycarparts.co.uk

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