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  3. Whetstones
Description 4 Manufacturers 878 Products
NORITAKE
Gesswein Co, Inc.
Falcon Tool Company Inc.
DISCO Corporation

4 Whetstone Manufacturers in 2026

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.

Table of Contents

Categories Related to Whetstones

Grinding Machinery
Vitrified CBN Grinding Wheels
Diamond Powder
Grinding Machines
Grinders
Tool Grinding Machinery
Cup Grinding Wheels
Carbide Bars
Grinding Wheel Dressing Stones
Offset Grinding Wheels
Oil Stones
Mounted Points
Abrasive Compounds
Knife Sharpening Machinery
Grinding
Disc Grinders
Polishing Services

What Is a Whetstone?

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.

Uses of Whetstones

Whetstones are used in the following applications.

  1. Cutting whetstones
    Cutting whetstones are often used in the plumbing industry.
    A cutter wheel, which is a disk-shaped whetstone, is attached to a pipe cutting machine called a tube cutter.
    The whetstones are rotated to cut the required length of piping work.
  2. Abrasive cloth paper (sandpaper)
    This is an abrasive tool made by bonding abrasives to cardboard, cloth, or other material with an adhesive.

Principle of Whetstones

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.

  • Normal Grinding Process
    In normal grinding, when the sharpness of the abrasive grains is worn, the grinding process becomes dull, the abrasive grains drop off and new grains appear on the surface.

    This ensures the necessary grinding force at all times.
    In this state, chips do not penetrate between the abrasive grains, so the surface roughness of the workpiece is excellent, and high quality can be obtained.
  • Improper Grinding
    If the bond of the whetstones is too soft for a hard workpiece, the abrasive grains will not be able to withstand the workpiece and will break.

    If this happens, the grinding surface will become rough, and the finished surface roughness will deteriorate.

    Conversely, when grinding soft workpieces such as aluminum or copper, chips can get between the grains and deteriorate the sharpness of the workpiece.

    Resistance during grinding increases, resulting in a rougher finished surface.

List of 4 Whetstone Manufacturers

*Including some distributors, etc.

Sort by Features

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  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

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  • United States of America
  • Japan
    • Falcon Tool Company Inc.
      • United States of America Address: 2615 Aero Park Drive Traverse City, Michigan, United States of America

      Manufacturer Overview

      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
      • Japan Address: 13-11 Omori-Kita 2-chome, Ota-ku, Tokyo, Japan

      Manufacturer Overview

      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
      • Japan Address: 3-1-36, Noritake-shinmachi, Nishi-ku, Nagoya, Aichi, Japan

      Manufacturer Overview

      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.

      Distributor Overview

      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.

Whetstone Manufacturer Ranking

*Including some distributors, etc.

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

  1. NORITAKE: 4,831

Newly Established Company

  1. NORITAKE: 1904 (122 years ago)
  2. Gesswein Co, Inc.: 1868 (158 years ago)

Company with a History

  1. Gesswein Co, Inc.: 1868 (158 years ago)
  2. NORITAKE: 1904 (122 years ago)

Whetstone Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Whetstone Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
Japan Japan 2 66.7%
United States of America United States of America 1 33.3%

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List of Whetstone Products

878 products found - Page 3

878 products - Page 3

Cup whetstone for chipper knife polisher Red WA36-J 205 x 100 x 25.4φ hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Cup whetstone for chipper knife polisher Red WA36-J 205 x 100 x 25.4φ hole

240+ people viewing

■Summary A cup whetstone for chipper knife polishing machines. Grain size hardness is 36-J.

Price (without tax)

$ 118.95

RCX WHEEL is a grinding wheel that shows its power in double-headed grinding and is strong in machining bearings and piston rings.-TKX Co., Ltd.

TKX Co., Ltd.

RCX WHEEL is a grinding wheel that shows its power in double-headed grinding and is strong in machining bearings and piston rings.

210+ people viewing

Last viewed: 1 day ago

■Features The RCX wheel is a receramic bonded super-abrasive DDG whetstone that is effective for double-headed polishing where the whetstones face ...


Ceramic angle grindstone (for metal polishing) A1114-Cains Co., Ltd.

Cains Co., Ltd.

Ceramic angle grindstone (for metal polishing) A1114

Metal Processing Industry Use

250+ people viewing

Grinding and polishing are possible at the same time due to the special bond and abrasive grains inside the elastic body.

Price (without tax)

$ 21.52

Tool Steel Art Disc AD-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Tool Steel Art Disc AD

320+ people viewing

Last viewed: 13 hours ago

■Standard product with beautiful finish - Uniform and beautiful finish even on uneven surfaces ・Low vibration and noise, making it easy for workers


XEBEC diamond-Xebec Technology Co., Ltd.

Xebec Technology Co., Ltd.

XEBEC diamond

Printing & Office Machines Use

150+ people viewing

Last viewed: 23 hours ago

■Summary Can efficiently polish carbide and hardened steel (SDK, STAVAX, etc.) exceeding HRC57

5 models listed

-XEBEC diamond
-XEBEC diamond
-XEBEC diamond
-XEBEC diamond
-XEBEC diamond

Corner whetstone for cutlery Yamato-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Corner whetstone for cutlery Yamato

250+ people viewing

■Summary - For sharpening everyday pocket knives, paring knives, outdoor knives used in active situations such as outdoors, small knives, etc. ・Ex...


Cast iron Resibon black cut RBC-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Cast iron Resibon black cut RBC

260+ people viewing

Last viewed: 4 hours ago

■Cutting wheel for castings that can cut corners ・Ideal for edge cutting of castings such as sprue cutting ・Because I have a strong back, I can c...


Wellken-Tie Sea Ins

Tie Sea Ins

Wellken

380+ people viewing

Last viewed: 20 hours ago

"Welken" is a significant increase in durability and sharpness. Work efficiency increases at 35% grinding (compared to our company). The grind dust...

3 models listed

-Wellken
U-1 (200 sheets) 105φ (4562462810321)-Wellken
U-2 (50 pieces) 180φ (4562462810338)-Wellken

Price (without tax)

$ 23.64 〜

Vitrified whetstone, whetstone with shaft, whetstone with integrated quill-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Vitrified whetstone, whetstone with shaft, whetstone with integrated quill

320+ people viewing

Last viewed: 1 day ago

■About vitrified whetstones ・This whetstone uses clay, glass, etc. as raw materials and is fired at a high temperature of 1,200 to 1,300 degrees. ...


Metal wheel ultra mate-JTEKT Grinding Tools Co., Ltd.

JTEKT Grinding Tools Co., Ltd.

Metal wheel ultra mate

320+ people viewing

Last viewed: 17 hours ago

■Features Adopts metal as the binder, has excellent heat resistance and thermal conductivity, and has a long life. However, metal wheels usually ha...


Vitrified whetstone irregular shape-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Vitrified whetstone irregular shape

410+ people viewing

Last viewed: 11 hours ago

■About vitrified whetstones ・This whetstone uses clay, glass, etc. as raw materials and is fired at a high temperature of 1,200 to 1,300 degrees. ...


Cutting wheel-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Cutting wheel

290+ people viewing

■Features ・A whetstone used for cutting workpieces. ・Generally, Ф100 to Ф205 are used with a disc grinder, and Ф305 and above are attached to a c...


Resinoid cutting wheel Resinoid blade (WA)-Marto Co., Ltd.

Marto Co., Ltd.

Resinoid cutting wheel Resinoid blade (WA)

300+ people viewing

Last viewed: 1 day ago

■Features This is an all-blade type (no base metal) cutting whetstone manufactured by using white alundum (high-purity fused alumina) as the abrasi...


Resin bond/metal bond wheels for profile processing-International Diamond Co., Ltd.

International Diamond Co., Ltd.

Resin bond/metal bond wheels for profile processing

430+ people viewing

Last viewed: 4 hours ago

■Features ・Resin bond has excellent sharpness and can be processed with less chipping. ・Metal Bond can achieve long-life machining due to its str...


Electroplated borazone grinding wheel with shaft N1360-Cains Co., Ltd.

Cains Co., Ltd.

Electroplated borazone grinding wheel with shaft N1360

410+ people viewing

Last viewed: 1 day ago

Ideal for ferrous steel materials that are difficult to machine with diamond tools.

Price (without tax)

$ 24.31

Cup whetstone for Tenryu side grinder, white, 125 x 50 x 15.88φ hole SW/WA100-P-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Cup whetstone for Tenryu side grinder, white, 125 x 50 x 15.88φ hole SW/WA100-P

330+ people viewing

Last viewed: 8 hours ago

■Summary ・Teiken This is a cup whetstone for the band saw side grinder made by Tenryu. - Grain size hardness is 100-P. 2 pieces for 1 car.

Price (without tax)

$ 33.15

Grinding Stones Al2O3 Grinding Stone Fe40,with base plate-AKASEL A/S

AKASEL A/S

Grinding Stones Al2O3 Grinding Stone Fe40,with base plate

40+ people viewing

Last viewed: 1 day ago

■Al2O3 Grinding Stone Fe40,with base plate Aluminium Oxide grinding stone with a metal base plate for general grinding.It is the optimal choice for...


A grindstone that can be used for both dry and wet processing, such as tool steel, alloy steel, bearing steel, etc. V BORON-TKX Co., Ltd.

TKX Co., Ltd.

A grindstone that can be used for both dry and wet processing, such as tool steel, alloy steel, bearing steel, etc. V BORON

260+ people viewing

Last viewed: 5 hours ago

■Features V-Boron is a single stone that can be easily dressed, and is a sharpening stone that emphasizes ease of use. It can easily grind difficul...


Abrasive polishing tool Daiwa Rabin-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Abrasive polishing tool Daiwa Rabin

270+ people viewing

Last viewed: 13 hours ago

■Daiwa Rabin By making full use of its elasticity, it can provide sharp and excellent polishing. Additionally, the surface can be polished uniforml...


Grindstone that is strong for machining carbide and ceramics | PPR grindstone for thread chamfering of chips-TKX Co., Ltd.

TKX Co., Ltd.

Grindstone that is strong for machining carbide and ceramics | PPR grindstone for thread chamfering of chips

230+ people viewing

Last viewed: 1 day ago

■Features The PPR whetstone can be used for a wide range of purposes, from rough polishing to final polishing. It can be used for a variety of poli...


Carbon steel Resibon Super Cut RSC for PC steel-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Carbon steel Resibon Super Cut RSC for PC steel

250+ people viewing

Last viewed: 1 day ago

■Cutting whetstone with overwhelming cutting power - Cuts PC steel quickly and easily with overwhelming cutting power ・Ideal for cutting PC steel ...


Cast iron Resibon Black Z RBZ-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Cast iron Resibon Black Z RBZ

240+ people viewing

Last viewed: 11 hours ago

■Whetstone for grinding castings ・Offset grindstone for casting ・Economical as it does not clog easily and can be used till the end ・Easy to sha...


Electroplated wheel-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Electroplated wheel

370+ people viewing

Last viewed: 23 hours ago

■Features - Abrasive grains and electrodeposition method: Diamond or CBN abrasive grains are generally used as abrasive grains. - Electrodeposition...


WES Wes-Tie Sea Ins

Tie Sea Ins

WES Wes

270+ people viewing

Last viewed: 8 hours ago

Almighty cutting whetstone. For 100 mm grinder. It is also characterized by less burrs and burns. Since the dust is 1/3 (compared to our company), ...

12 models listed

-WES Wes
WES-1 (200 sheets) 105φ (4562462810208)-WES Wes
WES-2 (10 pieces) 105φ (4562462810215)-WES Wes
-WES Wes
WES-3 (10 pieces) 125φ (4562462810239)-WES Wes
WES-3 (100 pieces) 125φ (4562462810246)-WES Wes

Price (without tax)

$ 14.18 〜

Flap disc ceramic type-Sanken Aircraft Co., Ltd.

Sanken Aircraft Co., Ltd.

Flap disc ceramic type

250+ people viewing

Last viewed: 18 hours ago

Ceramic abrasive grains break more finely than regular abrasive grains, so they maintain their sharpness and maintain their sharpness. ■Abrasive g...

3 models listed

HFD-100 CO 40 SP-H EC-Flap disc ceramic type
HFD-100 CO 60 SP-H EC-Flap disc ceramic type
HFD-100 CO 80 SP-H EC-Flap disc ceramic type

Diamond/cutting whetstone/tipped saw polishing whetstone-K’s Material Co., Ltd.

K’s Material Co., Ltd.

Diamond/cutting whetstone/tipped saw polishing whetstone

110+ people viewing

Last viewed: 1 day ago

7 models listed

NEW SA Polisher G1-Diamond/cutting whetstone/tipped saw polishing whetstone
Dalai double cup-Diamond/cutting whetstone/tipped saw polishing whetstone
Ichigo Series Dry Cup Surface-Diamond/cutting whetstone/tipped saw polishing whetstone
Flat S-shaped diamond wheel-Diamond/cutting whetstone/tipped saw polishing whetstone
Diamond dry cup-Diamond/cutting whetstone/tipped saw polishing whetstone
Super F-II 180×6×22mm-Diamond/cutting whetstone/tipped saw polishing whetstone

Price (without tax)

$ 2.34 〜

Tenryu Saw Tenryu Side Grinding Machine Cup Grindstone White 125 x 50 x 15.88φ Hole SW/WA100-N-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Tenryu Saw Tenryu Side Grinding Machine Cup Grindstone White 125 x 50 x 15.88φ Hole SW/WA100-N

240+ people viewing

■Summary ・Cup whetstone for band saw side polishing machine manufactured by Tenryu. - Grain size hardness is 100-N. 2 pieces for 1 car.

Price (without tax)

$ 33.80

New metal wheel Teramate MT3-JTEKT Grinding Tools Co., Ltd.

JTEKT Grinding Tools Co., Ltd.

New metal wheel Teramate MT3

360+ people viewing

■Features Because of their strength, metal wheels are often used for high-efficiency grinding in the tool and mold fields, ceramics, and aerospace ...


Metal bond wheels-Oriental Diamond Tool Research Institute Co., Ltd.

Oriental Diamond Tool Research Institute Co., Ltd.

Metal bond wheels

370+ people viewing

Last viewed: 1 day ago

This is a next-generation high-performance metal bond that boasts an excellent grinding removal rate that combines the sharpness of resin bond with...


Whetstone for cutlery Goken Kagayaki Twin-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for cutlery Goken Kagayaki Twin

210+ people viewing

Last viewed: 1 day ago

■Summary ・A twin type set of 2 pieces with the recommended particle size of "Koken Akira". - Smooth sharpening makes it possible to sharpen blades...








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