K16-A55 SUNNEN Honing Stone

Review SUNNEN Honing Stone Lot Of Stones

The Sunnen K16-A55 Honing Stones are a high-performance set of stones designed for precision honing and polishing of various cutting tools, including lathe tools, milling cutters, and drill bits. These stones are part of Sunnen's A-series honing stones, which are known for their superior quality and durability.

The set includes six honing stones, each with a different grit size. The stones range from 120 grit to 1200 grit, allowing for effective and efficient progression from coarse to fine honing. The 120 grit stone is ideal for removing heavy burrs and restoring the cutting edge, while the 1200 grit stone is perfect for achieving a polished, mirror-like finish.

The stones are made of aluminum oxide, a mineral known for its hardness and abrasion resistance. Aluminum oxide is a common choice for honing stones due to its ability to maintain a consistent cutting action, ensuring even and consistent honing results.

The Sunnen K16-A55 Honing Stones feature a unique, flat, and uniform design, ensuring consistent contact between the stone and the tool being honed. The stones also come with a rubber base, which provides stability during honing and prevents the stones from slipping or moving during use.

The stones are easy to use and maintain. They can be soaked in water before use to enhance the honing process, and they should be regularly flattened to maintain their flatness and ensure consistent honing results. The stones can also be re-flattened using a honing rod or a diamond plate.

In summary, the Sunnen K16-A55 Honing Stones are a high-quality, versatile, and durable set of stones designed for precise and efficient honing and polishing of various cutting tools. Their flat, uniform design, combined with their wide range of grit sizes and rubber base, make them an essential addition to any tool room or workshop.

The Sunn K16-A55 honing stones are a popular choice for motorcycle and automotive enthusiasts due to their effectiveness in achieving a mirror-like finish on engine components. Here are some pros and cons to consider before making a purchase.

1. Superior Finish: Sunn honing stones are known for their ability to produce a superior finish on engine components. The stones can remove microscopic scratches and create a smooth surface, which can lead to improved engine performance and longevity.

2. Durability: The Sunn K16-A55 stones are made of aluminum oxide, which is a hard and durable material. They can withstand the rigors of honing engines and can last for a long time with proper care and maintenance.

3. Versatility: These stones can be used to hone various engine components, including cylinder bores, cylinder heads, and crankshafts. They come in different grit sizes, allowing users to progressively hone the components to the desired finish.

4. Easy to Use: The Sunn K16-A55 stones are relatively easy to use. They come with a floating mandrel that ensures even contact between the stone and the component being honed. The stones also come with a user manual that provides instructions for use.

1. Expensive: Compared to other honing stones, the Sunn K16-A55 stones can be expensive. The cost of the stones, along with the required honing fluid and other accessories, can add up quickly.

2. Requires Skill: Honing engine components can be a complex and time-consuming process. It requires a certain level of skill and experience to use the stones effectively. Improper use can lead to damage to the component being honed or even personal injury.

3. Messy: Honing engine components can be a messy process. The honing fluid used during the process can make a mess, and the process itself can generate a lot of dust and debris. Proper ventilation and protective gear are necessary to minimize the mess and potential health hazards.

The Sunn K16-A55 honing stones offer superior finish, durability, versatility, and ease of use. However, they can be expensive, require skill to use effectively, and can be a messy process. If you are an experienced engine builder or enthusiast and are looking for a high-quality honing solution, then the Sunn K16-A55 stones may be worth the investment. However, if you are new to engine honing or are on a tight budget, then there may be other, more affordable, options available to you. Ultimately, the decision to purchase the Sunn K16-A55 stones depends on your experience level, budget, and desired outcome.

Details:

Sunnen K16-A55 honing stone lot of 9 stones, I added a free used stone for total 10 stones.

specifications lightument:

• brand: Sunnen
• mpn: K16-a55
• country of origin: United States

offer lightument:

• prices: $31.50–$39.99
• item condition:
  • New – Open box
  • New
• availability: in stock
• options: ship-to-home
• sold #: 9
• in stock #: 5
• started: march 6, 2026

returns lightument:

• policy: no returns

payments lightument:

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

seller lightument:

• # reviews: 665
• rating: 100.0%
• city: darien, connecticut

general lightument:

• category: Business & Industrial > Light Equipment Tools

shipping lightument:

• type: calculated
• carrier: usps, ups
• class: standard, expedited
• transit: 4-8 days
• service: usps ground advantage, ups ground, usps priority mail medium flat rate box, ups 2nd day air