---
product_id: 4321354
title: "Dia-Flat Diamond Lapping Plate for Flattening Conventional and Waterstone, 4 by 10 Inch"
brand: "dmt (diamond machining technology)"
price: "$483.73"
currency: USD
in_stock: true
category: "Dmt (Diamond Machining Technology)"
url: https://www.desertcart.us/products/4321354-dia-flat-diamond-lapping-plate-for-flattening-conventional-and-waterstone
store_origin: US
region: United States of America
---

# 95 micron diamond grit 40 sq. inch surface area ±0.0005-inch flatness precision Dia-Flat Diamond Lapping Plate for Flattening Conventional and Waterstone, 4 by 10 Inch

**Brand:** dmt (diamond machining technology)
**Price:** $483.73
**Availability:** ✅ In Stock

## Summary

> 💎 Flatten Faster, Sharpen Smarter — Stay Ahead of the Edge!

## Quick Answers

- **What is this?** Dia-Flat Diamond Lapping Plate for Flattening Conventional and Waterstone, 4 by 10 Inch by dmt (diamond machining technology)
- **How much does it cost?** $483.73 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/4321354-dia-flat-diamond-lapping-plate-for-flattening-conventional-and-waterstone)

## Best For

- dmt (diamond machining technology) enthusiasts

## Why This Product

- Trusted dmt (diamond machining technology) brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Precision You Can Trust:** Hand-certified flat to ±0.0005-inch for consistent, razor-sharp edges every time.
- • **Proudly Made in the USA:** Crafted with superior quality and reliability, this tool is a must-have for serious sharpening enthusiasts.
- • **Versatile & Professional Grade:** Aggressive 95 micron diamond grit quickly levels waterstone, oilstone, or Arkansas stone—perfect for chefs, woodworkers, and pros.
- • **Maximize Your Sharpening Efficiency:** Flatten waterstones and conventional stones faster than any other method with a generous 40 sq. inch surface.
- • **Unmatched Durability with Hardcoat Tech:** Revolutionary DMT Hardcoat ensures your lapping plate outlasts all competitors, saving you time and money.

## Overview

The DMT Dia-Flat Diamond Lapping Plate is a premium 4x10 inch flattening stone featuring a 40 sq. inch diamond surface with aggressive 95 micron grit. Engineered with revolutionary Hardcoat Technology and precision-ground flat to ±0.0005-inch, it delivers fast, reliable flattening of conventional and waterstones. Made in the USA, this durable tool is trusted by professionals for maintaining razor-sharp edges with unmatched efficiency and longevity.

## Description

Product Description The DMT Dia-Flat Lapping Plate easily flattens conventional and waterstones in less time than other methods. Revolutionary new DMT Hardcoat Technology is designed to outlast every other diamond sharpener. The Dia-Flat diamond sharpening plate ensures rigid flattening via a consistent diamond surface and precision-ground, hand-certified flat to +/- 0.0005-inch. For proper tool maintenance, woodworkers, chefs, and other professionals rely on the superior quality and versatility of USA-made DMT products. From the Manufacturer The DMT Dia-Flat Lapping Plate is designed to easily flatten all conventional and waterstones in less time than other methods. Using the new revolutionary DMT Hardcoat Technology this lapping plate outlasts any other diamond coating in the market. With a consistent, aggressive diamond surface and precision ground, hand certified flat to +/- 0.0005-Inch, the Dia-Flat assures rigid execution when flattening stones. Greater surface area for ease of use. Durable construction will provide years of consistent performance and reliable service. For proper tool maintenance, woodworkers, chefs, and other professionals rely on the superior quality and versatility of DMT products. Made in USA.

## Features

- DMT Lapping Plate: This 10 by 4 inch whetstone flattening stone features a generous 40-inch surface area and easily flattens conventional and waterstone faster than any other method
- Diamond Hardcoat Technology: This DMT diamond sharpening stone plate features a revolutionary new coating designed to outlast any other currently available on the market
- Premium Performance: Our diamond sharpening stones feature an aggressive (95 micron / 160 mesh) surface that quickly and easily flattens waterstone, oilstone, or Arkansas stone
- Durable Construction: This lapping plate is designed to provide years of consistent performance and reliable service as part of your sharpening stone set
- Made In The USA: DMT offers the most efficient flattening tools on the planet, tools like this diamond flat plate — the fastest, easiest, and most effective tool for flattening a stone or sharpening an edge

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B005FUHTDG |
| Best Sellers Rank | #162,354 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #271 in Sharpening Stones |
| Brand Name | DMT (Diamond Machining Technology) |
| Color | Gray |
| Customer Reviews | 4.5 4.5 out of 5 stars (222) |
| Global Trade Identification Number | 00017042007423 |
| Grit Type | Extra Fine |
| Included Components | Lapping Plate |
| Item Dimensions L x W x H | 7.4"L x 3.3"W x 4"H |
| Item Type Name | fixed blade,hunting knife,outdoor,camping |
| Item Weight | 4 pounds |
| Manufacturer | DMT |
| Manufacturer Part Number | DIAFLAT |
| Manufacturer Warranty Description | Manufacturer Warranty |
| Material Type | Micronized Monocrystalline Diamond |
| Model Number | DMTDIAFLAT |
| Number of Items | 1 |
| Number of Packs | 1 |
| UPC | 852848005194 017042007423 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** DMT (Diamond Machining Technology)
- **Color:** Gray
- **Grit Type:** Extra Fine
- **Item Weight:** 4 pounds
- **Manufacturer:** DMT
- **Material:** Micronized Monocrystalline Diamond
- **Number of Items:** 1
- **Number of Packs:** 1
- **Product Dimensions:** 7.4"L x 3.3"W x 4"H
- **Unit Count:** 1 Count

## Images

![Dia-Flat Diamond Lapping Plate for Flattening Conventional and Waterstone, 4 by 10 Inch - Image 1](https://m.media-amazon.com/images/I/71IPRuN55TL.jpg)

## Frequently Bought Together

- DMT Dia-Flat Diamond Lapping Plate for Flattening Conventional and Waterstone, 4 by 10 Inch
- SHAPTON Ha No Kuromaku Ceramic Whetstone (E-set) Medium Grit (#1000) + Fine Grit (#5000, #8000)
- SHAPTON K0709 Blade Blade, #320 Rough Blue Black

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-09-26*