AB Tools Air Impact Wrench - 3/4" Drive - 2000 Nm or 2500 Nm

Name: AB Tools Air Impact Wrench - 3/4" Drive - 2000 Nm or 2500 Nm
Brand: AB Tools
SKU: 4jnwghzxhb
Availability: InStock

Professional air impact wrench for commercial or occasional use. This 3/4” drive air impact wrench...

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Product Information

Full details

This 3/4" drive air impact wrench from AB Tools is designed for professionals and serious DIYers needing powerful torque for demanding automotive and industrial tasks. Its key benefit is the high nut-busting torque of up to 2500 Nm, enabling quick removal of stubborn fasteners, while its composite design offers better access in tight spaces. A potential caveat is its weight and the need for an adequate air supply.

All features

Model Part Number	AU881
Brand	AB Tools

Extended Product Information

FAQs

What is "Nut-Busting Torque" (NBT)?

Nut-Busting Torque refers to the maximum torque the wrench can deliver to loosen a seized or overtightened fastener. It's often higher than the standard working torque.

What size air hose should I use?

A 10mm dimension air hose is recommended for optimal performance and consistent air delivery.

How often should I lubricate the tool?

It is recommended to lubricate the air motor daily with appropriate air tool oil for best results and to prolong its lifespan.

Can I use this wrench with regular (non-impact) sockets?

While it can fit 3/4" drive CR-V steel sockets, using impact-rated sockets is highly recommended for safety and durability when using an impact wrench.

What is the required air pressure?

The recommended working air pressure is between 6-8 kg/cm², which is approximately 90 PSI.

Does this wrench come with a socket set?

This product is the impact wrench itself and does not typically include a socket set. You will need to supply your own 3/4" drive sockets.

How do I switch between forward and reverse?

There is a lever located on the back of the impact gun head that allows you to easily switch between forward and reverse rotation.

Troubleshooting

Wrench not providing enough torque

Check air pressure is at 90 PSI, ensure air hose is 10mm or larger, verify air compressor is delivering sufficient CFM, and lubricate the tool.

Wrench runs slowly or intermittently

Inspect air line for kinks or leaks, check air filter for blockages, and lubricate the tool's air motor.

Difficulty switching between forward and reverse

Ensure the tool is fully powered off before attempting to change direction. Check the reversing lever for obstructions or damage.

Excessive noise or vibration

Confirm the composite grip is securely attached. Check internal components for wear if the issue persists after lubrication.

Pros and Cons

Pros

Exceptional nut-busting torque for stubborn bolts.
Compact and lightweight composite body for improved maneuverability.
Ergonomic grip reduces user fatigue during prolonged use.
Variable speed and reversible control for versatility.
Integrated muffler for quieter operation.

Cons

Requires a consistent and adequate air supply (8 CFM minimum).
Heavier than some electric or battery-powered alternatives.
May be overkill for light-duty tasks.
Noise level, while muffled, is still present (90 Db(A)).
Requires proper air tools maintenance.

Setup, Compatibility & Care

Setup:

Ensure your air compressor can supply at least 8 CFM at 90 PSI.
Connect a 3/8" BSP air inlet hose to the wrench.
Recommended air hose dimension is 10mm for optimal performance.
Ensure the working pressure is maintained between 6-8 kg/cm² (90 PSI).

Compatibility:

Compatible with all standard 3/4" drive sockets (impact or CR-V steel).
Requires a standard air compressor setup with appropriate fittings.

Care:

Regularly lubricate the tool with air tool oil as per manufacturer recommendations to ensure longevity and performance.
Keep the air inlet free of debris.
Clean the exterior with a damp cloth; avoid submerging the tool in water.
Store in a clean, dry environment when not in use.