fits model: St-780, St780.

( Brand: Sunnen ), ( Manufacturer Part Number: ST-780 ), ( Country/region Of Manufacture: United States ), ( Type: Truing Sleeve )
The ST-781 Sunnen Truing Sleeve, also compatible with the ST-780 model, is an essential tool for any professional or enthusiast working with cylindrical or tapered bores. This truing sleeve is designed to ensure precise and accurate honing, resulting in improved engine performance and longevity.
The ST-781 is made from high-quality, heat-treated steel, providing durability and resistance to wear and tear. Its tapered shape allows for easy installation and removal, making it suitable for various applications. The sleeve is precision-machined to ensure a perfect fit, reducing the risk of damage to the bore and ensuring accurate truing results.
The ST-781 features an integrated set screw design, providing secure and reliable grip during the honing process. This design also allows for easy adjustments, ensuring that the sleeve is correctly aligned with the honing tool. The sleeve's surface is highly polished, reducing friction and ensuring smooth operation.
The ST-781 Sunnen Truing Sleeve is easy to clean and maintain, with a design that allows for easy removal of debris. It is also compatible with a wide range of Sunnen honing tools, making it a versatile addition to any workshop or garage.
In summary, the ST-781 Sunnen Truing Sleeve is a high-quality, durable, and versatile tool that is essential for anyone looking to achieve precise and accurate honing results. Its precision machining, integrated set screw design, and easy maintenance make it a reliable and convenient option for any application.
The ST-781 Sunnen and ST-780 truing sleeves are both high-quality tools used for grinding and truing cylindrical surfaces, such as those found in hydraulic cylinders, piston rings, and engine components. Both tools are manufactured by Sunnen, a reputable company known for its precision machinery.
Pros of ST-781:1. Higher accuracy: The ST-781 features a tighter tolerance, which means it can achieve a higher level of precision when truing and grinding cylindrical surfaces.
2. More versatile: The ST-781 has a larger diameter capacity compared to the ST-780, making it more suitable for larger components.
3. Improved performance: The ST-781 has a more powerful motor and a more robust design, which results in improved grinding and truing performance.
Pros of ST-780:1. Lower cost: The ST-780 is usually less expensive than the ST-781, making it a more budget-friendly option.
2. Smaller size: The ST-780 is smaller and lighter in weight, making it easier to handle and transport.
3. Sufficient for most applications: The ST-780 has a sufficient diameter capacity for most truing and grinding applications, making it a suitable choice for many users.
Cons of ST-781:1. Higher cost: As mentioned, the ST-781 is generally more expensive than the ST-780, which may be a concern for users with a tight budget.
2. More complex setup: The ST-781 has more features and capabilities, which can make the setup and operation more complex compared to the ST-780.
Cons of ST-780:1. Lower accuracy: Due to its tighter tolerance, the ST-780 may not be able to achieve the same level of precision as the ST-781, which could result in less accurate truing and grinding.
2. Limited diameter capacity: The ST-780 has a smaller diameter capacity compared to the ST-781, which may limit its suitability for larger components.
Conclusion:Both the ST-781 and ST-780 are high-quality truing and grinding sleeves manufactured by Sunnen. The ST-781 is the more advanced and capable tool, featuring a tighter tolerance, larger diameter capacity, and more powerful motor. However, it also comes with a higher cost and more complex setup. On the other hand, the ST-780 is a more budget-friendly option with a smaller size and sufficient diameter capacity for most truing and grinding applications.
Recommendation:If budget is not a concern and precision is your top priority, the ST-781 is the recommended choice. However, if you are looking for a more affordable option with sufficient capabilities, the ST-780 is a suitable choice. It's important to consider your specific needs and requirements before making a decision.
Have included rates for priority and medium flat rate box, so you can choose which one is best your area. Sunnen st-781 truing sleeve ST780 st781 - used selling as is.
Please review all photos to see what is or not included. Will combine shipping when possible to us. Its time to pass on these vintage treasures and put them use.
WYSIWYG what you see is get. The photos you are seeing is actual part being sold.