DMT Lapping Plate Review

First Impressions of DMT Lapping Plate

As a gear specialist constantly working with edged tools, I’ve long understood the importance of maintaining sharpening stones. Uneven stones translate to uneven sharpening, leading to poor edge geometry and ultimately, unsafe tools. That’s why I was excited to get my hands on the DMT Lapping Plate.

My need stemmed from precisely this issue: my water stones were becoming dished after extended use. I was spending more time trying to create a level edge than actually sharpening. The DMT Lapping Plate promised a solution – a precision-ground, diamond-coated surface to flatten and maintain my sharpening stones.

Upon unboxing, the DMT Lapping Plate felt substantial and well-made. Its weight communicated quality, and the continuous diamond surface looked evenly distributed. Compared to cheaper, often smaller, lapping plates I’ve seen, the DMT exuded confidence. I had considered a granite surface plate, but the diamond abrasive of the DMT Lapping Plate seemed more efficient. Initial impressions were positive; I felt this would solve my problem.


Real-World Testing: Putting DMT Lapping Plate to the Test

First Use Experience

I first tested the DMT Lapping Plate on a heavily dished 1000-grit water stone. I performed the lapping in my workshop, using a slurry of water and the stone’s own swarf. The process was surprisingly quick; within a few minutes, I could see the high spots being leveled down to meet the rest of the stone’s surface. The ease of use was notable, and I needed no special skills to achieve excellent results.

The results were immediately apparent after sharpening a test knife. The edge geometry was more consistent, and sharpening felt more efficient. I noticed no significant issues, and I considered my investment justified.

Extended Use & Reliability

After several months of regular use, the DMT Lapping Plate continues to perform flawlessly. I use it weekly to maintain my collection of water stones, Arkansas stones, and synthetic sharpening stones. There’s been no noticeable degradation of the diamond surface, even after heavy use with aggressive stones.

Cleaning is simple: a quick scrub with a nylon brush and some soapy water is all it takes. Compared to the frustration of trying to sharpen on uneven stones, the DMT Lapping Plate has drastically improved my sharpening workflow. This plate is far better than attempting to lap stones on a piece of glass with sandpaper; the DMT Lapping Plate offers speed, precision, and consistency.

Breaking Down the Features of DMT Lapping Plate

Specifications

The DMT Lapping Plate boasts impressive specifications. It measures 10″ X 4″ X 0.375″, providing ample surface area for lapping even large sharpening stones. The diamond grit is 120 micron/ 120 mesh, offering a balance between material removal and surface refinement. DMT’s Diamond Hardcoat Technology ensures the diamonds are firmly bonded to the plate’s surface. Critically, the plate is precision ground, hand certified flat to +/- 0.0005″. These specs are significant because they directly influence the accuracy and efficiency of the lapping process.

Performance & Functionality

The DMT Lapping Plate excels at its primary function: flattening sharpening stones. The diamond abrasive removes material quickly and evenly, restoring a true, flat surface. The large surface area allows for consistent contact with the stone being lapped, minimizing the risk of creating new unevenness. The plate easily met my expectations and has significantly improved the quality of my sharpening results.

Design & Ergonomics

The design is simple yet effective. The weight of the plate inspires confidence, and its dimensions make it easy to handle and maneuver. While a handle or rubber feet might be a welcome addition, the existing design is perfectly functional. There’s no learning curve; anyone familiar with sharpening can immediately use this lapping plate.

Durability & Maintenance

Based on my experience so far, the DMT Lapping Plate is built to last. The Diamond Hardcoat Technology appears to be very effective at preventing diamond loss. Maintenance is minimal, requiring only occasional cleaning. With proper care, I expect this plate to last for many years.

Accessories and Customization Options

The DMT Lapping Plate doesn’t come with any additional accessories, nor does it require any. Its design is focused and purpose-built for lapping. While there are no customization options, the plate’s quality and performance make them unnecessary.

Pros and Cons of DMT Lapping Plate

Pros

  • Exceptional Flatness: Precision ground to +/- 0.0005″, ensuring accurate lapping.
  • Durable Diamond Surface: DMT’s hardcoat technology promises long life.
  • Large Surface Area: 10″ x 4″ provides ample space for various stone sizes.
  • Fast Material Removal: 120 grit quickly flattens dished stones.
  • Versatile: Works with water stones, Arkansas stones, and synthetic stones.

Cons

  • Price: Relatively expensive compared to alternative lapping methods.
  • No Accessories Included: Lacks handle or rubber feet for enhanced grip and stability.


Who Should Buy DMT Lapping Plate?

The DMT Lapping Plate is perfect for anyone who regularly uses sharpening stones, especially water stones, and demands precise, consistent results. Professional knife sharpeners, woodworkers, and serious hobbyists will find this tool invaluable. Anyone struggling with dished sharpening stones or seeking to improve their sharpening technique should consider this product.

Those who are new to sharpening and use their stones infrequently might find the price difficult to justify. For occasional use, cheaper alternatives may suffice.

A must-have pairing is a stone holder to prevent movement during lapping.

Conclusion on DMT Lapping Plate

The DMT Lapping Plate is a high-quality tool that delivers exceptional performance. While the price is higher than some alternatives, the precision, durability, and efficiency justify the investment. The DMT Lapping Plate provides unmatched accuracy.

I would wholeheartedly recommend this product to anyone serious about maintaining their sharpening stones and achieving consistently sharp edges. If you value precision and efficiency in your sharpening routine, the DMT Lapping Plate is an essential addition to your toolkit. Don’t settle for uneven sharpening; invest in the DMT Lapping Plate and experience the difference.

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