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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 10

879 products - Page 10

Resinoid whetstone Super Disc (for stainless steel)-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Resinoid whetstone Super Disc (for stainless steel)

130+ people viewing

Last viewed: 12 hours ago

■Summary - Sharp cutting ability, excellent safety and durability. ・For stainless steel, special steel, heat-resistant steel, steel, etc. ・Binder...


Cup whetstone for Daiichi machine side polisher Pink RA-80-P 75×38×10φ hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Cup whetstone for Daiichi machine side polisher Pink RA-80-P 75×38×10φ hole

190+ people viewing

Last viewed: 11 hours ago

■Summary ・This is a cup whetstone for the old Daiichi Kikai band saw side grinder. - Grain size hardness is 80-P. 2 pieces for 1 car.

Price (without tax)

$ 13.00

Super little cutting wheel 105×1.0 thickness×15φ-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Super little cutting wheel 105×1.0 thickness×15φ

160+ people viewing

■Summary Convenient for cutting sheet metal, round bars, pipes, angles, stainless steel products, and more. Use with electric disc grinder. It's su...

Price (without tax)

$ 1.92

Precision Cutting Precision Ferrous Metal Cutting Aka-Cut 700HV,150mm-AKASEL A/S

AKASEL A/S

Precision Cutting Precision Ferrous Metal Cutting Aka-Cut 700HV,150mm

30+ people viewing

■Aka-Cut 700HV,150mm Cut-off wheel for precision cutting of soft and hard steels with a hardness of 150-700HV (40HRC) .The cut-off wheel measures 1...


Grinding wheel that is strong for polishing high carbon steel, alloy steel, tool steel, and hardened steel WA grindstone series-TKX Co., Ltd.

TKX Co., Ltd.

Grinding wheel that is strong for polishing high carbon steel, alloy steel, tool steel, and hardened steel WA grindstone series

140+ people viewing

Grinding wheel for hardened steel such as high carbon steel, alloy steel, tool steel, etc.


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.

190+ people viewing

Last viewed: 3 hours ago

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


Resinoid whetstone Super Disc (for stone)-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Resinoid whetstone Super Disc (for stone)

120+ people viewing

■Summary ・Excellent ability to grind and polish non-metals. ・Excellent safety and durability. ・For stone, firebricks, roof tiles, tiles, glass, ...


Cup whetstone for Daiichi machine side polisher Pink color For Daiichi machine side polisher RA-80-P 90×38×10φ hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Cup whetstone for Daiichi machine side polisher Pink color For Daiichi machine side polisher RA-80-P 90×38×10φ hole

220+ people viewing

Last viewed: 1 day ago

■Summary ・This is a cup grindstone for the new Daiichi Kikai band saw side grinder. - Grain size hardness is 80-P. 2 pieces for 1 car.

Price (without tax)

$ 16.90

Delta cut cutting wheel offset type 107 x 1.0 thickness x 15φ-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Delta cut cutting wheel offset type 107 x 1.0 thickness x 15φ

190+ people viewing

■Summary - Convenient for cutting sheet metal, round bars, pipes, angles, stainless steel products, etc. ・Use with an electric disc grinder. - Sin...

Price (without tax)

$ 1.95

Precision Cutting Aka-Cut 400HV,150mm-AKASEL A/S

AKASEL A/S

Precision Cutting Aka-Cut 400HV,150mm

30+ people viewing

■Aka-Cut 400HV,150mm Cut-off wheel for precision cutting of non-ferrous metals with a hardness of 50–400HV (10HRC) .The cut-off wheel measures 150x...


Grinding wheel GC grindstone series that is strong for polishing cemented carbide, stone, ceramics, and glass-TKX Co., Ltd.

TKX Co., Ltd.

Grinding wheel GC grindstone series that is strong for polishing cemented carbide, stone, ceramics, and glass

170+ people viewing

Last viewed: 1 day ago

Grinding wheels for cemented carbide, stone, ceramics, glass, etc.


DPG WHEEL, a grinding wheel suitable for processing carbide, semiconductors, ceramics, and cermets-TKX Co., Ltd.

TKX Co., Ltd.

DPG WHEEL, a grinding wheel suitable for processing carbide, semiconductors, ceramics, and cermets

260+ people viewing

Last viewed: 2 minutes ago

■Features DPG (Diamond Pellet Grinding) wheels are capable of continuous high-precision grinding by using a soft bond that emphasizes sharpness and...


Resinoid grindstone Super Disc (for concrete)-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Resinoid grindstone Super Disc (for concrete)

140+ people viewing

■Summary ・High grinding and polishing work efficiency with sharp cutting ability. For all types of concrete repair work ・This specification and d...


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

200+ 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

Flat whetstone for circular saw sharpening, red WA 205×6.4×25.4φ hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Flat whetstone for circular saw sharpening, red WA 205×6.4×25.4φ hole

150+ people viewing

■Summary A flat whetstone for sharpening circular saws.

Price (without tax)

$ 22.10

Superabrasive cut-off wheels Diamond Cut-off Wheels Aka-Cut 3,000HV-AKASEL A/S

AKASEL A/S

Superabrasive cut-off wheels Diamond Cut-off Wheels Aka-Cut 3,000HV

50+ people viewing

■Aka-Cut 3,000HV Resin bond diamond cut-off wheel for precision cutting of very hard ceramics,e.g.aluminium oxide,silicon carbide,sintered carbides...


Grinding wheel NP pack Grinding wheel with shaft Blister pack-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Grinding wheel NP pack Grinding wheel with shaft Blister pack

220+ people viewing

Last viewed: 23 hours ago

■Summary ・For polishing and grinding of internal surfaces and details ・Particle size: #60 Hardness: P ・In addition to [WA], there are also [A] a...


Grinding wheel M series grinding wheel capable of polishing various materials including tool steel and alloy steel-TKX Co., Ltd.

TKX Co., Ltd.

Grinding wheel M series grinding wheel capable of polishing various materials including tool steel and alloy steel

150+ people viewing

■Features The conventional alumina abrasive grains A, WA, and SA are further subdivided according to the application. This makes it possible to obt...


Emery buff, elasticity due to coated abrasive paper | Grinding wheel strong for polishing cutlery and plating TRB whetstone-TKX Co., Ltd.

TKX Co., Ltd.

Emery buff, elasticity due to coated abrasive paper | Grinding wheel strong for polishing cutlery and plating TRB whetstone

230+ people viewing

■Features TRB (TKXRINGBUFF) whetstone is a whetstone with TKX's unique structure that has a rubber elastic layer and general whetstone characterist...


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

Naniwa Polishing Industry Co., Ltd.

Grinding wheel for desktop grinder [A] Resinoid shrink pack

120+ people viewing

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


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

270+ people viewing

Last viewed: 23 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

Shindaiwa Sharpening Machine Whetstone 125×4.0×12.0-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Shindaiwa Sharpening Machine Whetstone 125×4.0×12.0

150+ people viewing

Last viewed: 1 day ago

■Summary ・Whetstone for Shindaiwa sharpening machine. ・There are three thicknesses: 4.0mm, 4.8mm, and 8.0mm.

Price (without tax)

$ 11.05

Superabrasive cut-off wheels Diamond Cut-off Wheels Aka-Cut 2,000HV-AKASEL A/S

AKASEL A/S

Superabrasive cut-off wheels Diamond Cut-off Wheels Aka-Cut 2,000HV

40+ people viewing

■Aka-Cut 2,000HV Metal bond diamond cut-off wheel for precision cutting of medium hard and brittle materials such as concrete,rocks,tiles and simil...


Grinding wheel 99X, strong for polishing automobiles, electrical parts, roll shafts, bearings, tools, general machinery, molds, etc.-TKX Co., Ltd.

TKX Co., Ltd.

Grinding wheel 99X, strong for polishing automobiles, electrical parts, roll shafts, bearings, tools, general machinery, molds, etc.

140+ people viewing

■Features 99X abrasive grain is a new single-crystal abrasive grain with moderate self-sharpening action, and provides a sharp cutting edge compara...


Super whetstone [with stand]-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Super whetstone [with stand]

170+ people viewing

■Summary The Super Whetstone is a top-quality whetstone manufactured by Naniwa Abrasive Industry Co., Ltd., which has put together the technology t...


Grinding wheel for tabletop grinder [WA] Resinoid shrink pack LS-1022-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Grinding wheel for tabletop grinder [WA] Resinoid shrink pack LS-1022

120+ people viewing

■Summary ・Abrasive material: WA ・Binder: B (resinoid) ・Maximum circumferential speed: 3,000m/min (50m/s) ・Shape edge type 1D ■Applications Har...


Tenryu Saw Band Saw Flat Grindstone Golden For Tenryu Sharpening Machine ASN/100-M 255×13×60φ Hole-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Tenryu Saw Band Saw Flat Grindstone Golden For Tenryu Sharpening Machine ASN/100-M 255×13×60φ Hole

200+ people viewing

■Summary ・Flat type whetstone for Tenryu band saw sharpener. Grain size hardness is 100-M type. - For use with Tenryu micro sharpener.

Price (without tax)

$ 42.25

Shindaiwa Sharpening Machine Whetstone 125×4.8×12.0-Daigen Shokai Co., Ltd.

Daigen Shokai Co., Ltd.

Shindaiwa Sharpening Machine Whetstone 125×4.8×12.0

110+ people viewing

■Summary ・Whetstone for Shindaiwa sharpening machine. ・There are three thicknesses: 4.0mm, 4.8mm, and 8.0mm.

Price (without tax)

$ 11.70

Superabrasive cut-off wheels CBN Cut-off Wheels Aka-Cut 1,500HV-AKASEL A/S

AKASEL A/S

Superabrasive cut-off wheels CBN Cut-off Wheels Aka-Cut 1,500HV

120+ people viewing

■Aka-Cut 1,500HV Resin bond CBN cut-off wheel for precision cutting of very hard ferrous metals with a hardness of 700-1,500HV.High concentration.


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.

160+ people viewing

Last viewed: 1 day ago

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








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