Milwaukee 3/8 "Medium sized Pneumatic Impact Wrench (Model 9077)

Basic Info

Product features:9077 is known for its lightweight design and comfortable grip,which can significantly reduce user fatigue.It adopts a precision balanced impeller motor,providing smooth and fast response.The front end of the tool is equipped with a protective ring to protect the hands from surface damage caused by heat,and integrates a convenient power adjustment knob.The durable structure ensures its reliable operation even in harsh workshop environments.

Key attributes

Square Drive Size

3/8 inch

Max Reverse Torque

350 foot pounds

Weight

3.2 pounds

Free RPM

12000 RPM

Average gas consumption:

3.8 CFM @ 90 PSI

Length

6.2 inches

Inlet size

1/4 inch NPT

Reverse mechanism

lever type

Shell material

Aluminum alloy

Internal component material:

hardened steel

Customer reviews

Marcus Thorne · Fleet Maintenance Supervisor, Cross-Border Logistics Company

In our heavy-duty truck repair bay, this 1-inch wrench is a true workhorse. It consistently breaks frozen wheel hub bolts without any loss of impact power. It consumes less air than our previous brand yet delivers more torque. The oil-resistant housing design is practical and easy to clean. For us, dealing with large fleets daily, reliability is everything.

Isabella Rossi · Production Director of the Manufacturing Plant

The noise level is lower than that of similar products, with excellent vibration control. Employees have reported a significant reduction in hand fatigue. The durability is also outstanding, with no issues such as air leaks or gear wear after six months of use

David Chen · Heavy Machinery Maintenance Supervisor

For batch disassembly operations,its quick reversal function is highly practical.It delivers strong power without"biting,"features low socket wear rates,and offers competitive overall cost performance among industrial-grade tools

Product Description

Product features:

9077 is known for its lightweight design and comfortable grip,which can significantly reduce user fatigue.It adopts a precision balanced impeller motor,providing smooth and fast response.The front end of the tool is equipped with a protective ring to protect the hands from surface damage caused by heat,and integrates a convenient power adjustment knob.The durable structure ensures its reliable operation even in harsh workshop environments.

Product specifications:

The maximum torque output is approximately 350 foot pounds.The free speed is up to 12000 RPM,and the average air consumption is 3.8 CFM.The tool is approximately 6.2 inches in length and lightweight,weighing only about 3.2 pounds.Use 90 PSI standard air pressure.Equipped with a 3/8-inch square head drive shaft and a toggle switch for forward and reverse rotation.The air inlet is 1/4 inch NPT.

Product application:

Widely used in automobile repair shops for disassembling engine compartment components such as intake manifolds,water pump pulleys,transmission oil pan bolts,etc.Suitable for motorcycle and small engine maintenance.Used for medium torque fastening operations on production or assembly lines,such as equipment panel installation,bracket fixation,etc.