SUNNEN 3G-P20-687AS Stone Honing Mandrel Truing Sleeve .681 .718

( Brand: Sunnen ), ( Manufacturer Part Number: 3G-P20-687AS ), ( Part Type: Sleeve ), ( Country/region Of Manufacture: United States )

Review SUNNEN Stone Honing Mandrel .681 Inch .718 And Truing Sleeve

The Sunnen 3G-P20-687AS Stone Honing Mandrel is a high-performance accessory designed for use with Sunnen's 3G honing machines. This mandrel is specifically engineered to work with truing sleeves with part numbers 718, making it an essential tool for those looking to hone engine cylinders, blocks, or other cylindrical components.

The 3G-P20-687AS Stone Honing Mandrel is made of robust, high-strength steel, ensuring durability and reliability during the honing process. It features a precise, CNC-machined bore to ensure a perfect fit with the corresponding truing sleeve. This mandrel's design allows for efficient and accurate honing, resulting in improved engine performance and extended component life.

The mandrel's tapered design facilitates easy installation and removal of the truing sleeve. It is also equipped with a securely fastened, center-locking nut that keeps the sleeve in place during the honing process, ensuring maximum stability and control. This feature is particularly valuable when honing larger components or those with heavy machining demands.

The Sunnen 3G-P20-687AS Stone Honing Mandrel is an indispensable tool for engine builders, machinists, and other professionals who require precise, high-quality cylinder honing. Its compatibility with Sunnen's 3G honing machines and truing sleeve part number 718 makes it a versatile and valuable addition to any workshop.

This mandrel is designed to work with various honing stones, allowing users to achieve a wide range of surface finishes and honing grades. With its rugged construction, easy installation, and excellent performance, the Sunnen 3G-P20-687AS Stone Honing Mandrel is a must-have tool for anyone seeking optimal engine performance and component longevity.

Pros and Cons of Buying a Sunnen 3G-P20-687AS Stone Honing Mandrel with Truing Sleeve (Model 681-718)

The Sunnen 3G-P20-687AS Stone Honing Mandrel with Truing Sleeve (Model 681-718) is a popular choice for engine builders and machinists seeking precision honing results. This mandrel is designed to ensure accurate and consistent engine cylinder bore sizes, essential for optimal engine performance. In this analysis, we will examine the key advantages and disadvantages of purchasing this Sunnen honing tool.

1. Precision and Consistency: The mandrel's truing sleeve system maintains accurate alignment of the stones during the honing process, ensuring consistent bore sizes and improved engine performance.

2. Versatility: This mandrel is compatible with various engine sizes and cylinder diameters, making it a versatile option for a range of applications.

3. Durability: Sunnen tools are renowned for their robustness and durability, and this mandrel is no exception. It is made from high-quality materials and is built to withstand the rigors of heavy-duty use.

4. Easy to Use: The mandrel's design simplifies the honing process, making it easier for users to achieve professional-level results, even for those with less experience.

5. Improved Engine Performance: By ensuring accurate cylinder bore sizes, this mandrel contributes to improved engine performance, including increased power output and reduced engine wear.

1. Expensive: The Sunnen 3G-P20-687AS Stone Honing Mandrel with Truing Sleeve (Model 681-718) is a premium tool, and its price reflects its high-end features and performance capabilities.

2. Requires Skill: While the mandrel simplifies the honing process, it still requires a certain level of skill and expertise to use effectively. Users may need to invest time and resources in learning how to use the tool properly.

3. Limited Stone Sizes: The mandrel is designed for use with specific stone sizes, which may limit its versatility for some users who prefer using different stone sizes for various applications.

The Sunnen 3G-P20-687AS Stone Honing Mandrel with Truing Sleeve (Model 681-718) offers numerous advantages, including precision, versatility, durability, ease of use, and improved engine performance. However, its high cost and requirement for skill may deter some potential buyers. Ultimately, if you are seeking a professional-grade honing tool with advanced features and capabilities, this mandrel is an excellent investment. For those with limited budgets or less experience, alternative options may be more suitable.

If you are an engine builder or machinist seeking a high-performance honing tool for precision results, the Sunnen 3G-P20-687AS Stone Honing Mandrel with Truing Sleeve (Model 681-718) is an excellent choice. Its robust design, versatility, and ease of use contribute to improved engine performance and consistent bore sizes. While its cost and skill requirement may be drawbacks, the benefits of this tool far outweigh the potential challenges for those in need of a professional-grade honing solution.

Details:

ALSO INCLUDED ARE 3 USED ML-7 / P20-J47 150 grit SILICON CARBIDE HONING STONES AND A .690 ID TRUING SLEEVE. AS WELL MANY OTHER DIFFERENT DIAMETER length P20 P28 MANDRELS AVAILABLE IN VARIOUS CONDITIONS. USED SUNNEN 3G-P20-687AS / ML-687M 3 STONE MANDREL WITH A DIAMETER RANGE OF .681 to .718. I ALSO HAVE SEVERAL OTHER 3G-P20-687 3 STONE MANDRELS.

part #: 3gp20687as price

• $150.00

specifications shopequipm:

• brand: Sunnen
• mpn: 3g-p20-687as
• part type: Sleeve
• country/region of manufacture: United States

returns shopequipm:

• policy: No Returns

offer shopequipm:

• started: March 13, 2025
• options: Ship-to-home
• quantity: 1
• sold: 0
• availability: In Stock

payments shopequipm:

• credit card: Mastercard
• other
• wallet: Paypal

general shopequipm:

• Automotive Tools Supplies > Shop Equipment Supplies > Other Shop Equipment
• condition: Used

seller shopequipm:

• city: New Hampshire
• rating: 100.0%
• # reviews: 1131

shipping shopequipm:

• service: USPS Ground Advantage
• cost: $15.00
• carrier: USPS
• class: Standard
• type: Fixed
• transit: 5-11 Days

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