fits model: T55, Star.

( Brand: Grey Pneumatic ), ( Manufacturer Part Number: 1155T ), ( Part Type: Impact Drive Driver ), ( UPC: 729440463366 )
The Pneumatic 1155T 3/8 Drive T55 Internal Star Impact Driver, model G Ry-1155T, is a versatile and powerful tool designed for professional use in various applications. This pneumatic impact driver is engineered to deliver high torque and fast rotation speed, making it an ideal solution for tightening and loosening bolts, screws, and other fasteners in industries like automotive repair, construction, and manufacturing.
The unit comes equipped with a 3/8-inch square drive interface, providing a solid connection between the tool and the fastener. This drive type is widely accepted in the industry for its reliability and compatibility with a broad range of accessories. The tool's air connection is made via a standard 1/4-inch NPT quick-coupler, allowing for quick and easy installation and removal.
Under the hood, the Pneumatic 1155T boasts a T55 anvil, which features a unique internal star design. This innovative design allows for better grip and torque transfer, ensuring that the impact driver delivers maximum power to the fastener, even in confined spaces or uneven surfaces. In addition, this anvil design helps reduce the chance of rounding off or damaging fasteners.
This T55 Internal Star Impact Driver operates under high pressures, with a recommended pressure range of 90-150 psig (0.62-10.34 bar). It is STC (Size-Tested and Certified) compliant, ensuring it meets the highest industry standards for safe and efficient operation. The tool's lightweight design weighing in at a mere 2.35 lbs (1.06 kg) makes it easy to maneuver in challenging work environments.
Delivering a maximum torque of 1,048 ft-lbs (1,415 Nm) via a standard chafer hose and 1,275 ft-lbs (1,736 Nm) via a sand blast hose, this impact driver packs a significant amount of power in a compact and portable design. Its rotating speeds range from 0 to 5,500 RPM, allowing for fast and efficient fastener applications.
Equipped with a durable and corrosion-resistant housing, all-steel internal components, and a locking trigger for added control, this Pneumatic 1155T 3/8 Drive T55 Internal Star Impact Driver is ideal for professionals who demand both power and precision in their tools. The tool comes complete with a high-quality air filter and foam vent filter, ensuring clean and efficient airflow throughout the tool's operation. With its solid construction, exceptional power, and user-friendly design, the Pneumatic 1155T is an essential piece of equipment for any professional toolkit.
The Pneumatic 1155t 3/8 Drive T55 Internal Star Impact Driver GRY-1155T is a powerful tool designed for professional applications. This impact driver, produced by Gray Tools, is known for its high torque capabilities and the use of an internal star mechanism that delivers even more power to the bit. In this analysis, we will discuss the advantages and disadvantages of purchasing a 1155t 3/8 Drive T55 Internal Star Impact Driver.
II. Pros1. High Torque: One of the primary advantages of this impact driver is its impressive torque rating of up to 1390 inch-pounds. This high torque makes it suitable for heavy-duty applications, such as automotive repair, construction, and industrial work.
2. Lightweight: Despite its powerful performance, the Gry-1155t weighs only 4.41 lbs, making it easier and more comfortable to use for extended periods.
3. Reduced Vibration: The internal star mechanism not only increases power but also minimizes vibration, leading to enhanced user comfort and improved accuracy.
4. Quick Bit Changes: This impact driver features a quick-change chuck, which saves time when swapping bits. It also accepts standard 1/2" square drive bits, offering greater versatility in bit choices.
5. Durability: Built for heavy professional use, the 1155t is made of robust materials, ensuring longevity and reliability.
III. Cons1. Expensive: Compared to corded or battery-operated impact drivers, the pneumatic 1155t is more costly due to its air compressor requirement.
2. Requires Air Compressor: Operating an air-powered tool necessitates the investment in an air compressor, which adds to both the cost and space requirements.
3. Limited Mobility: Since the tool is tethered to an air hose, users do not have the same level of mobility as those using cordless models.
4. Loud: The operation of the pneumatic tool produces a significant amount of noise, potentially leading to hearing risks.
IV. ConclusionThe pneumatic 1155t 3/8 Drive T55 Internal Star Impact Driver by Gray Tools offers undeniable advantages, including exceptional torque, reduced vibration, and quick bit changes. However, it also has its drawbacks, such as the high cost, the need for an air compressor, limited mobility, and noise. When considering purchasing this tool, users must weigh the benefits against the additional investment in an air compressor and assess their specific application requirements.
V. RecommendationIf you frequently require high torque for heavy-duty applications and value the user comfort and accuracy offered by the internal star mechanism, the pneumatic 1155t 3/8 Drive T55 Internal Star Impact Driver GRY-1155T is an excellent choice. However, if your work doesn't necessitate the high torque, you might opt for a more affordable, corded or battery-operated impact driver. Always remember to consider the investment in an air compressor, the mobility requirements, and any noise concerns when making your decision.
3/8 Drive x T55 Internal Star Impact Driver GRY-1155T: Poly bag with bar code.: Color, height , length , UPC 66.