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This section provides an overview for whetstones as well as their applications and principles. Also, please take a look at the list of 4 whetstone manufacturers and their company rankings. Here are the top-ranked whetstone companies as of March, 2026: 1.Falcon Tool Company Inc., 2.NORITAKE, 3.DISCO Corporation.
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Categories Related to Whetstones

A whetstone is, in the broadest sense, a tool, such as "a tool for cutting and polishing rocks and metals."
A whetstone is widely used in a variety of forms, from household to industrial applications.
For home use, a whetstone is commonly used to sharpen kitchen knives, often found in rectangular or block-shaped.
Industrial whetstone is often disk-shaped wheels with a mounting hole in the center that is attached to a power tool.
Whetstones are used in the following applications.
There are various types of bonding agents used in whetstones, depending on the application.
The most commonly used resinoid is made by a process called the "bakelite method."
Next, the principle of how whetstones grind workpieces is explained.
*Including some distributors, etc.
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Falcon Tool Company, Inc. is an American manufacturer based in Traverse City, Michigan, providing tools for industrial applications. The company’s product range includes files, commonly used in industrial jewelry, dental, and hobby industries, as well as abrasives and abrasive stones. The company also offers various cutting tools, including carbide burs and tungsten vanadium steel burs, commonly used for deburring, milling, and finishing. It further provides diamond tools, brushes and wood sticks, and related equipment, such as air grinders and air profilers.
Disco Corporation is a producer of precision cutting and grinding machines founded in Japan last 1937. Aside from manufacturing services, they also offer maintenance, training, refurbishment, and lease of precision cutting and grinding materials. This company is entirely based in Japan with Tokyo as the location for its Head Office. Its three branch offices are located in Osaka, Kyushu, and Sendai. They also have three plants, two of which are in Hiroshima namely, Kure and Kuwabata, while their Chino Plant is in Nagano.
NORITAKE CO., LIMITED, established in 1904 as Nippon Toki Kaisha, Ltd., is a Japanese manufacturer headquartered in Nagoya, Aichi, specializing in tableware and technological products. The company crafts fine porcelain and bone china Western-style tableware, glassware, and cutlery, catering to residential and commercial settings. The company also offers ceramics in various forms, including electronic ceramic powder and engineering ceramics, thick film circuit substrates, and vacuum fluorescent displays. Other offerings include provides grinding and polishing tools, such as grinding and cubic boron nitride (CBN) wheels, as well as coated abrasives. The company further offers filtration systems and thin cut master (TCM) machines.
Gesswein Co, Inc., established in 1914 and headquartered in Bridgeport, Connecticut, is a distributor of jewelers' tools and supplies. The company offers a wide range of products, including additive manufacturing tools, abrasives, bench tools, burs & drills, casting tools, cleaning tools, dust collection tools, engraving tools, power tools, and more. These products are utilized by professionals in the jewelry and metalworking industries for precision work. Gesswein Co, Inc. also provides various services, such as operations review, product sampling, account maintenance, quality control, and price matching.
Ranking as of March 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Falcon Tool Company Inc. |
43.2%
|
| 2 | NORITAKE |
21.6%
|
| 3 | DISCO Corporation |
18.9%
|
| 4 | Gesswein Co, Inc. |
16.2%
|
Derivation Method
The ranking is calculated based on the click share within the whetstone page as of March 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
Japan
|
2 | 66.7% |
United States of America
|
1 | 33.3% |
878 products found - Page 1
878 products - Page 1
Toyo Polishing Industry Co., Ltd.
170+ people viewing
■SuperFinish whetstone This grindstone is used to improve surface roughness by removing distortions, waviness, and damaged layers on the workpiece ...
TOMATEC Co., Ltd.
590+ people viewing
Last viewed: 1 day ago
■Next-generation functional materials TOMATEC is working to solve new needs and provides next-generation functional materials that are environmenta...
Naniwa Polishing Industry Co., Ltd.
210+ people viewing
Last viewed: 22 hours ago
■Summary Labo whetstone is a super-finish whetstone for precision polishing developed exclusively for Lapping and Polishing. In conventional grindi...
Xebec Technology Co., Ltd.
220+ people viewing
Last viewed: 9 hours ago
■Summary Ideal for use with pneumatic rotary tools ■Supported burr size Root thickness 0.2mm or less (easy to break with nails) ■Compatible model...
3 models listed
International Diamond Co., Ltd.
360+ people viewing
■Characteristics ・Continuous work is possible because it is a heat-resistant pound ・Long life due to thick abrasive layer ・Vivid colors with cle...
Sanko Made Co., Ltd.
600+ people viewing
Last viewed: 1 day ago
This one that arrived from the attachment of cutting ■ What is fast technique? ・ We have created the concept of the concept of cutting work faste...
Tie Sea Ins
370+ people viewing
A serious small cutting whetstone challenged by the grinding grinding whetstone tax, a grinding grinding whetstone in 1947. The number of limit cut...
3 models listed
TKX Co., Ltd.
280+ people viewing
Last viewed: 21 hours ago
■Features The NB whetstone is a semi-elastic whetstone made from a modified resin bond made by adding natural resin (shellac) to conventional resin...
Kuroda Co., Ltd.
150+ people viewing
Last viewed: 8 hours ago
■Applications ・Rough processing of molds, jigs, machine parts, automobile parts, etc. ・Hardened steel with HRc45 or higher Tool steel (SKH, SKD, ...
4 models listed
Dereco Japan Co., Ltd.
320+ people viewing
Last viewed: 20 hours ago
Orbit 360 is now available from Kintech Engineering. This is the most technologically advanced data logger in our history. It has been developed wi...
Mets Japan Co., Ltd.
160+ people viewing
We handle consumables and grindstones for small, medium, large, and extra-large sample cutting machines.
2 models listed
Outrun Co., Ltd.
660+ people viewing
■SDGs measures for small and medium-sized metal processing companies A diamond offset whetstone that replaces resinoid offset whetstones. The sharp...
Toyo Polishing Industry Co., Ltd.
340+ people viewing
■How to use diamond wheels and CBN wheels ・Generally, non-ferrous metals are called diamonds, and ferrous metals are called CBN. ・Diamond has a K...
Oriental Diamond Tool Research Institute Co., Ltd.
360+ people viewing
Last viewed: 1 day ago
Resin-based and metal-based bonds are often used for diamond wheels, but vitrified-based bonds have not generally been produced. However, our compa...
AKASEL A/S
40+ people viewing
■SiC Grinding Stone NF10 Silicon Carbide grinding stone for grinding of non-ferrous metals.Our grinding stones guarantee absolutely flat sample sur...
Ishikura Shoten Co., Ltd.
440+ people viewing
Last viewed: 10 hours ago
■Specifications Due to its flexible characteristics, it is especially suitable for polishing curved surfaces of stone. Please use it to drop the so...
Sowa Kasei Co., Ltd.
280+ people viewing
Last viewed: 13 hours ago
・Elastic rubber grindstone (with cowhide) Particle size: #100 Application: For metal polishing ・Elastic rubber grindstone (with sponge) Particle ...
JTEKT Grinding Tools Co., Ltd.
330+ people viewing
Last viewed: 1 day ago
■Features Like the electroplated wheel, this wheel is made of super abrasive grains that are strongly bonded to the base. Since the abrasive grains...
Toyo Polishing Industry Co., Ltd.
210+ people viewing
Last viewed: 19 hours ago
■SuperFinish whetstone This grindstone is used to improve surface roughness by removing distortions, waviness, and damaged layers on the workpiece ...
Naniwa Polishing Industry Co., Ltd.
310+ people viewing
Last viewed: 18 hours ago
■Summary ・Quick finishing and high flatness accuracy. ・Using ultra-hard diamond abrasive material, it is possible to grind and polish all types o...
Miniter Co., Ltd.
240+ people viewing
Last viewed: 1 hour ago
■Features - A whetstone made of compression molded nylon non-woven fabric coated with abrasive grains. (uni-polish) - Excellent heat dissipation ef...
Naniwa Polishing Industry Co., Ltd.
140+ people viewing
Last viewed: 10 hours ago
■Summary ・Resinoid cutting wheel "Akaebi" has been updated, and its life and sharpness have been significantly improved. ・Achieve comfortable wor...
Outrun Co., Ltd.
250+ people viewing
Last viewed: 58 minutes ago
■Whetstone with a cerium shaft that didn't seem to exist. The strongest item for glass polishing joins the group A whetstone made only of cerium ox...
2 models listed
International Diamond Co., Ltd.
410+ people viewing
Last viewed: 1 day ago
Overview ■Bisdi BN bond, suitable for iron type Bisdi BN Bond pursues a satisfying edge for iron-based bonding. This is a new bond that uses a spec...
Sanko Made Co., Ltd.
400+ people viewing
Last viewed: 1 day ago
A good cut -sew that is not found in metal cut -and -sews that make use of the softness of the bond, which is a characteristic of the coding of the...
7 models listed
Daigen Shokai Co., Ltd.
190+ people viewing
■Summary ・One set of two Teiken corner grindstones 19mm x 25mm x 6mm WA60N. - Polish the cutting edge of the case (box) that only has corners.
Glow Engineering Co., Ltd.
200+ people viewing
Last viewed: 12 hours ago
Grinders, which are excellent in wear resistance, greatly contribute to running costs.
4 models listed
Sanko Made Co., Ltd.
280+ people viewing
Last viewed: 1 day ago
Thin cutting whetstone series. There is an all -rounder type and a sharp -oriented type.
2 models listed