SUNNEN Cbn Honing Stones P28-NM57 220

( Brand: Sunnen ), ( Manufacturer Part Number: P28NM57 ), ( Country/region Of Manufacture: United States )

Review SUNNEN 220 Grit Cbn Honing Stones

Introducing the SUNnen P28-NM57 CBN Honing Stones, a premium set of honing stones designed for achieving exceptional precision and mirror-like finishes on various types of cutting tools. These stones are renowned for their durability and superior performance, making them an indispensable addition to any toolroom or manufacturing environment.

The P28-NM57 Honing Stones are part of SUNnen's P28 series, which is characterized by their large 12-inch diameter and 2-inch thickness. The stones offer an ample working surface, enabling efficient and effective honing processes for a wide range of tools. Their robust design ensures that they can withstand the rigors of daily use, providing reliable and consistent results.

These honing stones feature a 57-grit CBN (Cubic Boron Nitride) abrasive surface, which is known for its exceptional hardness and durability. CBN abrasives are highly effective in removing large amounts of metal quickly and efficiently, making them ideal for honing high-performance cutting tools. The 57-grit finish is perfect for shaping and refining edges, providing a smooth and polished surface that minimizes friction and maximizes tool life.

The P28-NM57 Honing Stones are designed to accommodate both rotary and hand-held honing machines, offering flexibility and versatility in various honing applications. Their large size and robust construction make them suitable for honing a wide range of tools, including lathes, milling machines, turning tools, and drills.

The stones come in a set of two, allowing for efficient honing of multiple tools simultaneously or for maintaining a backup stone for prolonged periods of use. The set includes a practical storage case, which ensures the safe transportation and storage of the stones when not in use.

In summary, the SUNnen P28-NM57 CBN Honing Stones are a high-performance set of honing stones that deliver exceptional precision, durability, and versatility. Their large size, robust construction, and effective CBN abrasive surface make them an invaluable asset for any toolroom or manufacturing environment, ensuring that your tools are always in top condition for optimal performance.

Sunnen P28-NM57 honing stones, also known as CBN (Cubic Boron Nitride) stones, are widely used in the automotive industry for machining and honing engine components. Here are some pros and cons that can help you make an informed decision before purchasing these stones.

1. Superior Finishing: CBN stones provide a superior finish compared to conventional aluminum oxide or diamond stones. They can remove microscopic scratches left by other honing processes, resulting in a smoother engine surface.

2. Longer Tool Life: CBN stones last longer than other types of honing stones due to their increased wear resistance. This can help save time and money in the long run.

3. Consistent Surface Finish: CBN stones are known for their ability to maintain a consistent surface finish, which is essential for the proper functioning of engine components.

4. Suitable for Hard Materials: CBN stones are effective in machining and honing hard materials, making them ideal for engine components that require precise finishing.

1. Expensive: Compared to aluminum oxide and diamond stones, CBN stones are more expensive. This can be a significant investment for small workshops or hobbyists.

2. Requires Special Care: CBN stones require special care during use, including the use of coolant and proper handling techniques. Improper use can lead to premature wear or damage to the stone.

3. Limited Availability: CBN stones may not be readily available in all areas, making it difficult for some users to obtain them.

4. Hazardous Material: CBN is a hazardous material and can pose health risks if inhaled or comes into contact with the skin. Proper safety precautions must be taken when handling and using these stones.

In conclusion, Sunnen P28-NM57 CBN honing stones offer superior finishing capabilities, longer tool life, consistent surface finish, and suitability for hard materials. However, they are expensive, require special care, and may not be readily available. If you are a professional workshop or working on high-performance engines that require precise finishing, the benefits of CBN stones may outweigh the investment. However, for hobbyists or small workshops, conventional aluminum oxide or diamond stones may be a more cost-effective option. Ultimately, the decision to purchase Sunnen P28-NM57 CBN honing stones depends on your specific needs and budget.

Details:

The Sunnen P28-NM57 220 grit CBN Honing Stones are high-quality honing stones specifically designed for automotive use. With a 220 grit abrasive surface, these stones are ideal for achieving precision honing and ensuring smooth finish on engine parts. Manufactured in the USA, these honing stones are made by reputable brand Sunnen and known for their durability effectiveness smoothing polishing engine components.

part #: p28nm57 price

• $109.99

specifications shopequipm:

• brand: Sunnen
• mpn: P28nm57
• country/region of manufacture: United States

returns shopequipm:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

shipping shopequipm:

• class: Standard, Expedited
• carrier: USPS
• cost: $7.96
• transit: 4-9 Days
• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail

general shopequipm:

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

offer shopequipm:

• started: June 17, 2025
• sold: 0
• quantity: 1
• best offers: True
• options: Ship-to-home
• availability: In Stock

payments shopequipm:

• credit card: Discover
• other
• wallet: Google-pay

seller shopequipm:

• rating: 100.0%
• # reviews: 2256
• city: Athens, Alabama

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