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  3. Whetstones
Description 4 Manufacturers 879 Products
NORITAKE
Gesswein Co, Inc.
Falcon Tool Company Inc.
DISCO Corporation

4 Whetstone Manufacturers in 2025

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 January, 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 January 2026

Derivation Method
Rank Company Click Share
1 Falcon Tool Company Inc.
45.5%
2 NORITAKE
21.2%
3 DISCO Corporation
18.2%
4 Gesswein Co, Inc.
15.2%

Derivation Method

The ranking is calculated based on the click share within the whetstone page as of January 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

879 products found - Page 11

879 products - Page 11

Whetstone for knives Sharpen knives at home kirelu-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for knives Sharpen knives at home kirelu

160+ people viewing

Last viewed: 16 hours ago

■A sharpness that makes cooking fun A double-sided whetstone with the most important basic grain size, the "medium whetstone", and the "finishing w...


Grinding wheel for desktop grinder [A] Resinoid blister pack NP-2400-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Grinding wheel for desktop grinder [A] Resinoid blister pack NP-2400

190+ people viewing

Last viewed: 1 day ago

■Summary ・Abrasive material: A ・Binder: B (resinoid) ・Maximum circumferential speed: 3,000m/min (50m/s) ・Shape edge type 1D ・With 2 nylon bush...


Flat grindstone for EWG bandsaw automatic welding machine 205 x 13 x 60φ hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Flat grindstone for EWG bandsaw automatic welding machine 205 x 13 x 60φ hole

140+ people viewing

■Summary ・Flat type whetstone for Tenryu EWG band saw automatic welding machine. - Particle size is 54 and degree of bond is L.

Price (without tax)

$ 27.30

Shindaiwa Sharpening Machine Whetstone 125×8.0×12.0-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Shindaiwa Sharpening Machine Whetstone 125×8.0×12.0

120+ people viewing

■Summary ・Whetstone for Shindaiwa sharpening machine. -For 11BC deck saw. ・There are three thicknesses: 4.0mm, 4.8mm, and 8.0mm.

Price (without tax)

$ 12.35

Superabrasive cut-off wheels Diamond Cut-off Wheels Aka-Cut 50HV-AKASEL A/S

AKASEL A/S

Superabrasive cut-off wheels Diamond Cut-off Wheels Aka-Cut 50HV

60+ people viewing

■Aka-Cut 50HV Electroplated diamond cut-off wheel for precision cutting of soft materials like resin or plastic,e.g.electronic components.Low conce...


Porous grindstone that is effective in grinding soft materials such as urethane and rubber rolls.-TKX Co., Ltd.

TKX Co., Ltd.

Porous grindstone that is effective in grinding soft materials such as urethane and rubber rolls.

Paper & Pulp Industry Use

190+ people viewing

Last viewed: 10 hours ago

■Features Because pores are formed by foaming, the shape of the pores and abrasive grains is significantly different from conventional porous grind...


Whetstone for knives BASE-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for knives BASE

100+ people viewing

Last viewed: 3 hours ago

■Summary - Ideal for those purchasing a whetstone for the first time. A whetstone set with two types of basic particle sizes for knife sharpening. ...


Grinding wheel: Precision polishing/super finishing whetstone: Lab whetstone-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Grinding wheel: Precision polishing/super finishing whetstone: Lab whetstone

190+ people viewing

Last viewed: 21 hours ago

■Summary Labo whetstone is a super-finish whetstone for precision polishing developed exclusively for Lapping and Polishing. In conventional grindi...


Rough whetstone for Unisharp polishing machine 280 x 22 x 25.4 Amitec (for Takekawa) Round P type-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Rough whetstone for Unisharp polishing machine 280 x 22 x 25.4 Amitec (for Takekawa) Round P type

140+ people viewing

■Summary A rough whetstone for Amitec (Takekawa) polishing machines for planar blades, super-finish blades, etc.

Price (without tax)

$ 54.60

Whetstone for corners 19mm x 25mm x 6mm WA60N 2 pieces 1 set-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Whetstone for corners 19mm x 25mm x 6mm WA60N 2 pieces 1 set

170+ 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.

Price (without tax)

$ 8.71

Diamond Grinding Discs Dressing Stick #220 10x25x100mm-AKASEL A/S

AKASEL A/S

Diamond Grinding Discs Dressing Stick #220 10x25x100mm

80+ people viewing

Last viewed: 7 minutes ago

■Dressing Stick #220 10x25x100mm Recommended for dressing of Aka-Piatto and Aka-Piatto+ once in a while depending on the material prepared.It can a...


A grinding wheel that is strong for polishing stainless steel, cutlery, scissors, and iron-based materials that are difficult to cut. POS whetstone-TKX Co., Ltd.

TKX Co., Ltd.

A grinding wheel that is strong for polishing stainless steel, cutlery, scissors, and iron-based materials that are difficult to cut. POS whetstone

170+ people viewing

■Features POS whetstones have fine pores and thermal deformability suitable for soft workpieces, which prevents welding (clogging) of metal powder ...


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

Naniwa Polishing Industry Co., Ltd.

Whetstone for cutlery Goken Kagayaki Twin

200+ people viewing

Last viewed: 19 hours 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...


Whetstone for knives Ebi-jirushi professional super ceramic whetstone [with stand]-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for knives Ebi-jirushi professional super ceramic whetstone [with stand]

250+ people viewing

Last viewed: 4 hours ago

■Summary This product allows you to quickly and satisfactorily sharpen knives made of hardened steel (such as Aogami No. 2), which is difficult to ...


Made by Amitec Elstar rough whetstone for knife polishing machine 255×16×20-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Made by Amitec Elstar rough whetstone for knife polishing machine 255×16×20

140+ people viewing

■Summary ・This is a genuine Elstar rough whetstone for knife polishers made by Amitec. ・255×16×20, WA46-60.

Price (without tax)

$ 32.50

Diamond foil 150φ (outer diameter) ×6W×1.5X×16H (hole diameter) #500-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Diamond foil 150φ (outer diameter) ×6W×1.5X×16H (hole diameter) #500

140+ people viewing

■Summary This is a standard diamond foil mainly used for manual tip saw polishing machines.

Price (without tax)

$ 87.75

Diamond Grinding Discs Dressing Stick #220 25x25x150mm-AKASEL A/S

AKASEL A/S

Diamond Grinding Discs Dressing Stick #220 25x25x150mm

60+ people viewing

Last viewed: 13 minutes ago

■ressing Stick #220 25x25x150mm Recommended for dressing of Aka-Piatto and Aka-Piatto+ once in a while depending on the material prepared.It can al...


Grinding wheel that is strong for mirror polishing and vertical polishing of copper rolls, etc. SP whetstone-TKX Co., Ltd.

TKX Co., Ltd.

Grinding wheel that is strong for mirror polishing and vertical polishing of copper rolls, etc. SP whetstone

Printing & Office Machines Use

310+ people viewing

Last viewed: 1 day ago

■Features SP whetstone is an elastic whetstone with unique spongy physical properties made from polyvinyl formal (PVFM) as a binding material. The ...


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

Naniwa Polishing Industry Co., Ltd.

Corner whetstone for cutlery Yamato

210+ people viewing

Last viewed: 1 day ago

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


Square whetstone for cutlery Diamond square whetstone 135-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Square whetstone for cutlery Diamond square whetstone 135

250+ people viewing

■Summary ・With the excellent grinding power of carbide diamond abrasive grains, even blades made of hard steel can be sharpened quickly. ・The whe...


Rough whetstone for Unisharp polishing machine 255×16×20 Amitec (for Takekawa) Round P type-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Rough whetstone for Unisharp polishing machine 255×16×20 Amitec (for Takekawa) Round P type

150+ people viewing

■Summary A rough whetstone for Amitec (Takekawa) polishing machines for planar blades, super-finish blades, etc.

Price (without tax)

$ 38.35

Abrasive Cut-off Wheels Cut-off Wheels Aka-Cut Fe60-AKASEL A/S

AKASEL A/S

Abrasive Cut-off Wheels Cut-off Wheels Aka-Cut Fe60

50+ people viewing

■Aka-Cut Fe60 Cut-off wheel optimised for cutting of very hard ferrous metals,e.g.hardened steels with a hardness in the range of 500-1,000HV (60HR...


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

AKASEL A/S

Grinding Stones Al2O3 Grinding Stone Fe40,with base plate

30+ people viewing

■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...


Useful for mirror polishing and vertical polishing Grinding and polishing of copper rolls, creme-plated roll surfaces, high carbon steel, and alloy steel MF whetstone-TKX Co., Ltd.

TKX Co., Ltd.

Useful for mirror polishing and vertical polishing Grinding and polishing of copper rolls, creme-plated roll surfaces, high carbon steel, and alloy steel MF whetstone

150+ people viewing

Last viewed: 16 hours ago

■Features MF whetstones are used for roll surface grinding and polishing, and have a long lifespan and excellent grinding performance from the begi...


Whetstone for knives Ebi-jirushi pure white super finishing whetstone-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for knives Ebi-jirushi pure white super finishing whetstone

110+ people viewing

Last viewed: 12 hours ago

■Summary ・For main jobs ・For superior sharpness. - A whetstone that is resistant to clogging and crushing, and has excellent grinding and polishi...


Whetstone for cutlery Ebi-jirushi diamond square whetstone-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for cutlery Ebi-jirushi diamond square whetstone

280+ people viewing

Last viewed: 1 day ago

■Summary ・Quick finishing and high flatness accuracy. ・Using ultra-hard diamond abrasive material, it is possible to grind and polish all types o...


Rough whetstone for Unisharp polishing machine 255 x 16 x 25.4 WA60J for Marunaka Maru P type-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Rough whetstone for Unisharp polishing machine 255 x 16 x 25.4 WA60J for Marunaka Maru P type

120+ people viewing

Last viewed: 12 hours ago

■Summary A rough whetstone for polishing machines such as planar blades and super-finish blades. There is one for Shinx, one for Takekawa (Amitec),...

Price (without tax)

$ 38.35

Abrasive Cut-off Wheels Cut-off Wheels Aka-Cut Fe50-AKASEL A/S

AKASEL A/S

Abrasive Cut-off Wheels Cut-off Wheels Aka-Cut Fe50

40+ people viewing

■Aka-Cut Fe50 Cut-off wheel optimised for cutting of hard steels and other ferrous metals with a hardness of about 350–700HV (50HRC) .


Grinding Stones SiC Grinding Stone NF10,with base plate-AKASEL A/S

AKASEL A/S

Grinding Stones SiC Grinding Stone NF10,with base plate

30+ people viewing

■SiC Grinding Stone NF10,with base plate Silicon Carbide grinding stone with a metal base plate for grinding of non-ferrous metals.Our grinding sto...


Demonstrates its power in polishing and processing syringe needles, scalpels, and cutlery For precision finishing (blade polishing/finish polishing) Grinding wheel NB Whetstone-TKX Co., Ltd.

TKX Co., Ltd.

Demonstrates its power in polishing and processing syringe needles, scalpels, and cutlery For precision finishing (blade polishing/finish polishing) Grinding wheel NB Whetstone

Printing & Office Machines Use

250+ people viewing

Last viewed: 23 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...








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