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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 12
878 products - Page 12
Miniter Co., Ltd.
240+ people viewing
Last viewed: 18 hours ago
■Features - Dressing and truing of various tools. A lineup of dressers that allow you to perform molding tasks quickly and easily. - This is a dres...
Miniter Co., Ltd.
210+ people viewing
Last viewed: 11 hours ago
■Features -A separate type fine grinding and polishing tool used in combination with a mandrail (shaft). ・Since mandrails can be used repeatedly, ...
Miniter Co., Ltd.
260+ people viewing
Last viewed: 18 hours ago
■Features - Dressing and truing of various tools. A lineup of dressers that allow you to perform molding tasks quickly and easily. ・A dresser that...
Miniter Co., Ltd.
180+ people viewing
Last viewed: 11 hours ago
■Features -A separate type fine grinding and polishing tool used in combination with a mandrail (shaft). ・Since mandrails can be used repeatedly, ...
Cains Co., Ltd.
300+ people viewing
Last viewed: 23 hours ago
Ideal for polishing knives, deburring and removing burrs from soft metal materials, etc.
Taiyo Mold Supplies Co., Ltd.
220+ people viewing
Last viewed: 1 day ago
An essential item for precision finishing. *Particle size: about #6000 ■Flat shape ・6×25×50 ・6×25×75 ・6×25×100 ・9.5×25×75 ・9.5×25×100 ・13×25...
Cains Co., Ltd.
210+ people viewing
Last viewed: 1 day ago
A straight type double-sided reinforced cutting whetstone. It has a sharp edge that you can tell the difference from the first cut. Despite being a...
Toyo Polishing Industry Co., Ltd.
270+ people viewing
■About resinoid whetstone ・This whetstone is made from synthetic resin such as phenolic resin and hardened at a temperature of around 200℃. ・It i...
Yagyu Shokai Co., Ltd.
330+ people viewing
Last viewed: 13 hours ago
■Applications For grinding cemented carbide, ceramics, hardened steel, glass, etc., removing minute burrs, engraving, etc. *For your safety, be su...
Sanko Made Co., Ltd.
300+ people viewing
Using our unique manufacturing method, we have achieved elasticity, an extremely soft cutting taste, and suppressed the harsh high-pitched sounds t...
JTEKT Grinding Tools Co., Ltd.
330+ people viewing
■Features This is a resin wheel with improved sharpness and service life, using CBN abrasive grains with good sharpness and improved abrasive reten...