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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 6

840 products - Page 6

Politor Tool Ruby Stone Chip 3×6mm SA7501-Miniter Co., Ltd.

Miniter Co., Ltd.

Politor Tool Ruby Stone Chip 3×6mm SA7501

160+ people viewing

Last viewed: 49 minutes ago

■Features ・Polishing wood and polishing metal are different from vitrified whetstones, which have different coarse grains and grain sizes. ・Pleas...


Elastic stick whetstone FR stick hard #60 3×10mm RD2121-Miniter Co., Ltd.

Miniter Co., Ltd.

Elastic stick whetstone FR stick hard #60 3×10mm RD2121

200+ people viewing

Last viewed: 1 day ago

■Features ・This is a professional stick whetstone that pursues not only quality and grinding performance but also ease of use. ・We have a rich li...


Hard rub grinding wheel with shaft (for metal grinding) R4902 Grain size (#): 120-Cains Co., Ltd.

Cains Co., Ltd.

Hard rub grinding wheel with shaft (for metal grinding) R4902 Grain size (#): 120

240+ people viewing

This is a hard type Rabin whetstone that does not dig into burrs and has excellent grinding performance.

Price (without tax)

$ 18.53

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

K’s Material Co., Ltd.

Diamond/cutting whetstone/tipped saw grooving cutter

190+ people viewing

Last viewed: 1 day ago

The tip is U-shaped with less diamond chips. Economical with amazing cost performance.

Price (without tax)

$ 40.93

Tool steel Resibon high speed grinding wheel RK-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Tool steel Resibon high speed grinding wheel RK

260+ people viewing

Last viewed: 1 hour ago

■Standard product for high speed grindstones ・A wide range of lineup, compatible with various steel materials ・Suitable for non-ferrous metals an...


Aluminum Skill Net (Straight type) SN-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Aluminum Skill Net (Straight type) SN

150+ people viewing

■Glass cloth disc for cutting non-metallic materials ・Suitable for cutting non-metallic materials such as aluminum, brass, plastic, and FRP. ・Eco...


Abrasives Polishing tools Diamond whetstones-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Abrasives Polishing tools Diamond whetstones

280+ people viewing

Last viewed: 1 day ago

■Diamond whetstone A diamond whetstone is a cutting tool used for final finishing. It can be used to refine the surface by removing surface defects...


XEBEC heat-resistant grindstone-Xebec Technology Co., Ltd.

Xebec Technology Co., Ltd.

XEBEC heat-resistant grindstone

70+ people viewing

Last viewed: 1 day ago

■Summary The heat-resistant temperature is 200℃, so even ultrasonic tools can be used for long periods of time.

5 models listed

-XEBEC heat-resistant grindstone
-XEBEC heat-resistant grindstone
-XEBEC heat-resistant grindstone
-XEBEC heat-resistant grindstone
-XEBEC heat-resistant grindstone

Stainless steel cutting disc MC3105-Miniter Co., Ltd.

Miniter Co., Ltd.

Stainless steel cutting disc MC3105

130+ people viewing

Last viewed: 52 minutes ago

■Features -A cutting tool with excellent cutting ability. - Made of stainless steel SUS304 that is resistant to bending, it is extremely thin and s...


Polyter Tool Carbide Cutter Tip SA7701-Miniter Co., Ltd.

Miniter Co., Ltd.

Polyter Tool Carbide Cutter Tip SA7701

160+ people viewing

Last viewed: 37 minutes ago

■Features - A polytar cutting tool designed to minimize the loss of minute ultrasonic vibrations. ・Please use by attaching it to the special holde...


Stone Stick Black Arkansas Stone Premium Ultra Hard 13×25mm RD2211-Miniter Co., Ltd.

Miniter Co., Ltd.

Stone Stick Black Arkansas Stone Premium Ultra Hard 13×25mm RD2211

200+ people viewing

■Features ・Special whetstone used for precision polishing of cutlery, parts, etc. ・A natural stone made of silicate crystal particles with a micr...


Silicon rubber grinding wheel with shaft Outer diameter (mm): 3 Grain size (#): 25100 R1012-Cains Co., Ltd.

Cains Co., Ltd.

Silicon rubber grinding wheel with shaft Outer diameter (mm): 3 Grain size (#): 25100 R1012

270+ people viewing

It has excellent polishing power and durability because it uses a special silicone filler.

Price (without tax)

$ 9.30

Whetstone diamond wheel-Iida Iron Works Co., Ltd.

Iida Iron Works Co., Ltd.

Whetstone diamond wheel

340+ people viewing

Last viewed: 20 hours ago

Diamond wheels are for carbide. Some models come with a grindstone as standard equipment.


Tool steel Resibon Super Ace high speed grinding wheel RSA-K-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Tool steel Resibon Super Ace high speed grinding wheel RSA-K

230+ people viewing

■High-performance whetstone that can be used for everything from stainless steel to cast metals. ・Compatible with a variety of steel materials by ...


Aluminum Super Bio SV-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Aluminum Super Bio SV

190+ people viewing

■Recommended for difficult-to-cut materials such as stainless steel and aluminum ・Excellent performance on difficult-to-cut materials such as stai...


Abrasive material Polishing tool Elastic rubber grindstone-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Abrasive material Polishing tool Elastic rubber grindstone

220+ people viewing

Last viewed: 1 day ago

・Elastic rubber grindstone (with cowhide) Particle size: #100 Application: For metal polishing ・Elastic rubber grindstone (with sponge) Particle ...


Cutting blade Resin bond diamond blade φ150 MC4102-Miniter Co., Ltd.

Miniter Co., Ltd.

Cutting blade Resin bond diamond blade φ150 MC4102

150+ people viewing

Last viewed: 1 day ago

■Features -A cutting tool with excellent cutting ability. ・Please use with Miniter tabletop cutting machine WK-610. ・Resinoid bond with excellent...


Polyter tool cutter tip SA7711-Miniter Co., Ltd.

Miniter Co., Ltd.

Polyter tool cutter tip SA7711

140+ people viewing

Last viewed: 30 minutes ago

■Features - A polytar cutting tool designed to minimize the loss of minute ultrasonic vibrations. ・Please use by attaching it to the special holde...


Polishing Wood Stick Soft Flat 3×6mm RD3701-Miniter Co., Ltd.

Miniter Co., Ltd.

Polishing Wood Stick Soft Flat 3×6mm RD3701

160+ people viewing

Last viewed: 29 minutes ago

■Features - Optimum free polishing can be performed because the abrasive is absorbed less and the abrasive grains are properly retained on the surf...


Oil Stone A Coarse 13×25mm RD2401-Cains Co., Ltd.

Cains Co., Ltd.

Oil Stone A Coarse 13×25mm RD2401

230+ people viewing

Ideal for polishing knives, deburring and removing burrs from soft metal materials, etc.

Price (without tax)

$ 10.80

XEBEC elastic grindstone-Xebec Technology Co., Ltd.

Xebec Technology Co., Ltd.

XEBEC elastic grindstone

130+ people viewing

Last viewed: 2 hours ago

■Summary The rubber binder makes it soft against the workpiece and conforms to its shape. ■Precautions for use The tool will be damaged in the fol...

2 models listed

BS-2006M-XEBEC elastic grindstone
-XEBEC elastic grindstone

Outstanding sharpness New double-headed grinder grindstone Green Pro-Kuroda Co., Ltd.

Kuroda Co., Ltd.

Outstanding sharpness New double-headed grinder grindstone Green Pro

80+ people viewing

Last viewed: 10 hours ago

■Summary The number of sheets used can be significantly reduced. Minimizes the generation of dust and whetstone debris ■Applications ・Carbide too...

6 models listed

BLN-001-Outstanding sharpness New double-headed grinder grindstone Green Pro
BLN-002-Outstanding sharpness New double-headed grinder grindstone Green Pro
BLN-003-Outstanding sharpness New double-headed grinder grindstone Green Pro
BLN-004-Outstanding sharpness New double-headed grinder grindstone Green Pro
BLN-005-Outstanding sharpness New double-headed grinder grindstone Green Pro
BLN-006-Outstanding sharpness New double-headed grinder grindstone Green Pro

Whetstone Borazon wheel-Iida Iron Works Co., Ltd.

Iida Iron Works Co., Ltd.

Whetstone Borazon wheel

290+ people viewing

Last viewed: 1 day ago

Borazon wheels are for HSS. Some models come with a grindstone as standard equipment.


Tool steel dual disc DD-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Tool steel dual disc DD

250+ people viewing

Last viewed: 25 minutes ago

■Wide range of uses and long lifespan - Composite structure with special base material makes it soft and absorbs shock. ・Abrasive cloth can be use...


Cast iron mini skill touch MS-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Cast iron mini skill touch MS

270+ people viewing

Last viewed: 11 hours ago

■Mini size of Skill Touch suitable for polishing work in narrow spaces ・Ideal for working in narrow spaces ・Suitable for polishing various steel ...


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

Sowa Kasei Co., Ltd.

Abrasive polishing tool Daiwa Rabin

210+ people viewing

Last viewed: 22 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...


Rod file (knife sharpener) WHB-10BR-TSUBOSAN

TSUBOSAN

Rod file (knife sharpener) WHB-10BR

130+ people viewing

Last viewed: 1 day ago

■Applications The file body is already magnetized, so chips will not be scattered. ■How to use ・Wipe the dirt off the knife with a cloth. ・Hold ...


Cutting blade Grindstone blade A/WA φ150 MC4212-Miniter Co., Ltd.

Miniter Co., Ltd.

Cutting blade Grindstone blade A/WA φ150 MC4212

160+ people viewing

Last viewed: 1 day ago

■Features -A cutting tool with excellent cutting ability. ・Please use with Miniter tabletop cutting machine WK-610. - A thin, safe and sharp whets...


Stick whetstone Pinkstone PA #80 3×6mm RD1001-Miniter Co., Ltd.

Miniter Co., Ltd.

Stick whetstone Pinkstone PA #80 3×6mm RD1001

360+ people viewing

■Features ・This is a professional stick whetstone that pursues not only quality and grinding performance but also ease of use. ・We have a rich li...


Polishing stick felt stick 6×13mm RD3901-Miniter Co., Ltd.

Miniter Co., Ltd.

Polishing stick felt stick 6×13mm RD3901

170+ people viewing

Last viewed: 1 day ago

■Features ・A molded felt stick made of high-quality, fine-grained wool compressed to a high density. ・Excellent ability to hold abrasive and enab...








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