K20-713AS SUNNEN Honing Mandrel

Review SUNNEN Honing Mandrel .713 Inch .744

SUNnen K20-713AS Honing Mandrel (713, 744)

The SUNnen K20-713AS Honing Mandrel is a high-quality precision tool designed for honing automotive engine cylinders. This specific mandrel model, identified by the numbers 713 and 744, is an essential component for machinists and engine builders who prioritize optimal engine performance.

Manufactured by SUNnen, a reputable name in the automotive honing industry, this honing mandrel boasts a robust yet lightweight construction. It is made of premium steel material, ensuring durability and resistance to wear and tear during the honing process. Its sleek, streamlined design not only enhances its functionality but also makes it an attractive addition to any workshop.

The K20-713AS Honing Mandrel is specifically designed to fit 713 and 744 engine cylinder bores. The mandrel's precise dimensions and engineering allow for accurate honing of these cylinder bores, ensuring a perfect finish and a near-perfect cylinder wall surface. This results in improved engine efficiency, better combustion, and enhanced overall engine performance.

The honing mandrel's external threading makes it easy to attach to honing machines, and its smooth, polished surface minimizes friction and wear during the honing process. The mandrel also features a balanced design, which reduces vibrations and ensures a consistent, even honing pattern.

The K20-713AS Honing Mandrel comes with a user-friendly, adjustable clamping system. This feature allows for easy and secure attachment to the honing machine, providing additional peace of mind and assurance during the honing process. The clamping system's flexibility also makes it compatible with various honing machines, increasing its versatility.

In summary, the SUNnen K20-713AS Honing Mandrel (713, 744) is a must-have tool for automotive engine builders and machinists who seek optimal engine performance. Its robust construction, precise dimensions, and adjustable clamping system make it an essential component for any professional workshop. With its commitment to quality and performance, SUNnen continues to set the standard in the automotive honing industry.

Pros and Cons of Buying Sunnen K20-713AS Honing Mandrel (713 744) for Crankshaft Grinding

The Sunnen K20-713AS honing mandrel (713 744) is a popular choice for crankshaft grinding applications. In this analysis, we will discuss the advantages and disadvantages of purchasing this honing mandrel to help you make an informed decision.

1. High-quality construction: The Sunnen K20-713AS honing mandrel is known for its robust and durable design. It is engineered using high-strength materials, ensuring long-lasting performance even in heavy-duty applications.

2. Versatility: This honing mandrel is suitable for various types of crankshafts, including those in automotive, marine, and industrial applications. It can accommodate a wide range of sizes, making it a versatile investment for shops that cater to a diverse clientele.

3. Precise fit: The Sunnen K20-713AS honing mandrel offers a precise fit, ensuring optimal accuracy during the grinding process. This leads to improved engine performance and reduced downtime for customers.

4. Easy to use: The mandrel features a user-friendly design, making it simple for operators to load and unload crankshafts. Its large diameter handle provides a comfortable and secure grip, allowing for efficient and effective honing.

5. Wide compatibility: This honing mandrel can be used with various grinding machines, including those manufactured by SUNNEN and other brands. This flexibility allows shop owners to make the most of their existing equipment.

1. Cost: The Sunnen K20-713AS honing mandrel is a more expensive option compared to some other brands and models. However, its high-quality construction and versatility may justify the investment for some shop owners.

2. Limited availability: This honing mandrel might not be readily available at all local retailers or suppliers. Shop owners may need to order it from the manufacturer or an authorized distributor, which could result in longer wait times.

3. Requires specialized tools: To use the Sunnen K20-713AS honing mandrel, users may need to invest in additional specialized tools, such as adapters or fixtures, which could add to the overall cost and complexity of the setup.

The Sunnen K20-713AS honing mandrel (713 744) offers numerous advantages, including high-quality construction, versatility, precise fit, ease of use, and wide compatibility. While it comes with a higher price tag compared to some other options, its robust design and versatility may make it a worthwhile investment for shops that cater to a diverse range of crankshaft grinding applications.

If you are a shop owner or engine builder looking for a high-performance and versatile crankshaft honing mandrel, the Sunnen K20-713AS (713 744) is an excellent choice. Its durable construction, wide compatibility, and precise fit make it a valuable addition to any grinding shop. While the initial investment may be higher than some alternatives, the long-term benefits and improved customer satisfaction can make the difference in a competitive market.

Details:

Range: .713 - .744 or 18.11 18.90mm. Condition: in good used condition with a decent amount of guide shoe remaining. For more engine rebuilding tools and equipment, manufacturer: Sunnen. Sunnen K20-713AS honing mandrel .713 - .744 , manufacturer.

Part number: k20-681as the as indicates soft shoes.

specifications lightument:

• brand: Sunnen
• mpn: K20-713as
• country of origin: United States

payments lightument:

• wallet: google-pay
• other
• credit card: discover

returns lightument:

• time: 30 days
• method: money back
• paid by: buyer
• policy: returns accepted

seller lightument:

• # reviews: 4510
• city: council grove, kansas
• rating: 100.0%

general lightument:

• category: Business & Industrial > Light Equipment Tools

offer lightument:

• availability: in stock
• options: ship-to-home
• sold #: 10
• in stock #: 1
• best offers: true
• started: march 27, 2026
• price: $39.00
• item condition: Used

shipping lightument:

• service: usps priority mail small flat rate box
• carrier: usps
• transit: 5-11 days
• type: calculated
• class: expedited