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  3. Whetstones
Description 4 Manufacturers 840 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 November, 2025: 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 November 2025

Derivation Method
Rank Company Click Share
1 Falcon Tool Company Inc.
48.3%
2 NORITAKE
20.7%
3 DISCO Corporation
17.2%
4 Gesswein Co, Inc.
13.8%

Derivation Method

The ranking is calculated based on the click share within the whetstone page as of November 2025. 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 (121 years ago)
  2. Gesswein Co, Inc.: 1868 (157 years ago)

Company with a History

  1. Gesswein Co, Inc.: 1868 (157 years ago)
  2. NORITAKE: 1904 (121 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

840 products found - Page 9

840 products - Page 9

Resiton polishing whetstone Resiton see-through disc-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton polishing whetstone Resiton see-through disc

250+ people viewing

Excellent finish. Excellent polishing properties. ■Features ・The polished surface can be seen through → You can sharpen while checking. ・Large c...

Price (without tax)

$ 3.71

Resiton Cutting Wheel Resiton Golden Egg-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton Cutting Wheel Resiton Golden Egg

290+ people viewing

Last viewed: 4 hours ago

Resiton Kin no Tamago is the most popular cutting wheel, gaining overwhelming support from users for its outstanding durability and sharpness. ■Fe...

Price (without tax)

$ 14.24

Resiton Cutting Wheel Resiton Kin no Tora-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton Cutting Wheel Resiton Kin no Tora

250+ people viewing

Super cutting wheel. For stainless steel and metal. Amazing durability. ■Features Smooth cutting and sharp machinability. Demonstrates its power o...

Price (without tax)

$ 4.26

Resiton Cutting Wheel Resiton Gold-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton Cutting Wheel Resiton Gold

240+ people viewing

A general steel cutting whetstone that increases productivity with reliable sharpness and outstanding wear resistance. The standard cutting wheel t...

Price (without tax)

$ 2.55

Resiton Cutting Wheel Resiton Silver-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton Cutting Wheel Resiton Silver

260+ people viewing

Last viewed: 22 hours ago

Demonstrates its power on heavy steel and special steel. For work that prioritizes cutting speed over number of cuts. ■Applications For cutting ro...

Price (without tax)

$ 2.69

Resiton polishing whetstone DT Final Neo-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton polishing whetstone DT Final Neo

250+ people viewing

Ideal for polishing and deburring all kinds of metallic steel materials. It is also durable, economical, and has an excellent finish. ■Application...

Price (without tax)

$ 1.57

Resiton Polishing Whetstone Hyper Green Seven-Yoshikawa Shoko Co., Ltd.

Yoshikawa Shoko Co., Ltd.

Resiton Polishing Whetstone Hyper Green Seven

230+ people viewing

Last viewed: 21 hours ago

The newly developed manufacturing method creates a special shape with a thickness of 7mm, greatly improving durability. We have succeeded in increa...

Price (without tax)

$ 1.20

Toyo Polishing Industry Co., Ltd.

Resinoid whetstone Flexible whetstone

210+ people viewing

Last viewed: 1 minute ago

■About resinoid whetstone ・This whetstone is made from synthetic resin such as phenolic resin and hardened at a temperature of around 200℃. ・It i...


Sanko Made Co., Ltd.

Elastic offset type grinding wheel Otohime

260+ people viewing

Using our unique manufacturing method, we have achieved elasticity, an extremely soft cutting taste, and suppressed the harsh high-pitched sounds t...


Taiyo Mold Supplies Co., Ltd.

Essential item for precision finishing: Arkansas stone

190+ people viewing

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...


JTEKT Grinding Tools Co., Ltd.

Gaial i

270+ people viewing

Last viewed: 1 day ago

■Features This is a resin wheel with improved sharpness and service life, using CBN abrasive grains with good sharpness and improved abrasive reten...


Iida Iron Works Co., Ltd.

Cup whetstone

300+ people viewing

Last viewed: 21 hours ago

PA is for high speed steel. GC is for carbide.


Iida Iron Works Co., Ltd.

Dish whetstone

180+ people viewing

PA is for high speed steel. A separate arbor is required to use a flat grindstone.


Iida Iron Works Co., Ltd.

Flat whetstone

230+ people viewing

PA is for high speed steel. A separate arbor is required to use a flat whetstone.


SSX grindstone is a strong grindstone for polishing automobile parts, electrical parts, roll shafts, bearings, tools, molds, etc.-TKX Co., Ltd.

TKX Co., Ltd.

SSX grindstone is a strong grindstone for polishing automobile parts, electrical parts, roll shafts, bearings, tools, molds, etc.

130+ people viewing

Last viewed: 17 hours ago

■Features The SSX whetstone, which uses special ceramic abrasive grains, is a whetstone for tools, molds, and precision grinding that has a remarka...


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

140+ people viewing

■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

170+ people viewing

■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

120+ people viewing

Last viewed: 1 day ago

■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

110+ 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

50+ 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.

160+ people viewing

Last viewed: 1 day 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

80+ people viewing

■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

160+ people viewing

■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

120+ 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

140+ people viewing

Last viewed: 23 hours ago

■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

60+ people viewing

■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

140+ people viewing

Last viewed: 1 day ago

■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

140+ people viewing

■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]

220+ people viewing

Last viewed: 1 day 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

120+ 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







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