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  3. Whetstones
Description 4 Manufacturers 810 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 September, 2026: 1.Falcon Tool Company Inc., 2.NORITAKE, 3.Gesswein Co, Inc..

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 September 2026

Derivation Method
Rank Company Click Share
1 Falcon Tool Company Inc.
43.6%
2 NORITAKE
20.5%
3 Gesswein Co, Inc.
17.9%
4 DISCO Corporation
17.9%

Derivation Method

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

810 products found - Page 4

810 products - Page 4

Offset whetstone G-BLACK fine grain whetstone-SHIN-EI GRINDING WHEELS MFG. CO., LTD.

SHIN-EI GRINDING WHEELS MFG. CO., LTD.

Offset whetstone G-BLACK fine grain whetstone

670+ people viewing

Last viewed: 1 day ago

■Applications Only for chamfering ■Features Cuts thread chamfering work process in half. There is no need for secondary deburring using paper abra...


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

Kuroda Co., Ltd.

Outstanding sharpness New double-headed grinder grindstone Green Pro

250+ people viewing

■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

Standard cutting whetstone sun cut with sharpness and durability-Sanko Made Co., Ltd.

Sanko Made Co., Ltd.

Standard cutting whetstone sun cut with sharpness and durability

700+ people viewing

Last viewed: 1 day ago

A good cut -sew that is not found in metal cut -and -sews that make use of the softness of the bond, which is a characteristic of the coding of the...

7 models listed

#46 φ100mm-Standard cutting whetstone sun cut with sharpness and durability
#46 φ105 (2G) mm-Standard cutting whetstone sun cut with sharpness and durability
#46 φ125mm / 150mm / 160mm / 180mm-Standard cutting whetstone sun cut with sharpness and durability
#46 φ125mm / 150mm / 180 (2g) mm-Standard cutting whetstone sun cut with sharpness and durability
#46 φ205mm-Standard cutting whetstone sun cut with sharpness and durability
#36 φ305mm / 355mm-Standard cutting whetstone sun cut with sharpness and durability

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

Yoshikawa Shoko Co., Ltd.

Resiton polishing whetstone DT Final Neo

360+ 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

Res-ID Resid Variastar with a beautiful glossy finish on one wheel-International Diamond Co., Ltd.

International Diamond Co., Ltd.

Res-ID Resid Variastar with a beautiful glossy finish on one wheel

310+ people viewing

Last viewed: 17 hours ago

Overview ■Development of Variastar Over the years, mold parts, precision parts, precision jigs and tools, etc. are required not only to have a roug...


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

360+ 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...


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

Oriental Diamond Tool Research Institute Co., Ltd.

Resin bond wheels

480+ people viewing

Last viewed: 2 hours ago

SHR (Super Heat Resisting Resin Bond) wheels have significantly improved the short lifespan, which was the weak point of resin bonds up until now, ...


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

330+ 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

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

Xebec Technology Co., Ltd.

XEBEC heat-resistant grindstone

240+ 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

Lightning Sharpness Serap Series Electroplated Diamond Compo EDCBX-Kuroda Co., Ltd.

Kuroda Co., Ltd.

Lightning Sharpness Serap Series Electroplated Diamond Compo EDCBX

350+ people viewing

Last viewed: 10 hours ago

■Summary Electroplated diamonds now available in the Serap Compo series ■Application work Alignment of metal parts and mechanical parts, lap fine ...

2 models listed

EDCBX-1525-100-□-Lightning Sharpness Serap Series Electroplated Diamond Compo EDCBX
EDCBX-2075-200-□-Lightning Sharpness Serap Series Electroplated Diamond Compo EDCBX

Resin CBN wheel for Sulfide centerless grinding GaiR i BG6-JTEKT Grinding Tools Co., Ltd.

JTEKT Grinding Tools Co., Ltd.

Resin CBN wheel for Sulfide centerless grinding GaiR i BG6

560+ people viewing

■Features Abrasive grain selection that maintains sharp cutting edges for a long time. The adhesion between the abrasive grains and the binder is i...


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

490+ people viewing

Last viewed: 10 hours ago

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


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

Sanken Aircraft Co., Ltd.

Flap disc ceramic type

480+ people viewing

Last viewed: 13 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

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

Japan Resibon Co., Ltd.

Cast iron Resibon Black Z RBZ

480+ people viewing

Last viewed: 1 day 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...


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

190+ 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)

$ 11.70

Finishing rubber whetstone Gomangoku stick (hard)-Nakajima Koki Co., Ltd.

Nakajima Koki Co., Ltd.

Finishing rubber whetstone Gomangoku stick (hard)

300+ people viewing

Last viewed: 1 day ago

■Applications Polishing, discoloration removal, stain removal, oxide film removal, fine chamfering, finishing, etc. ■Features - For finishing prec...

7 models listed

AL-12S-5FA#46 (Hard)-Finishing rubber whetstone Gomangoku stick (hard)
AL-12S-5FA#80 (Hard)-Finishing rubber whetstone Gomangoku stick (hard)
AL-12S-5FA#120 (Hard)-Finishing rubber whetstone Gomangoku stick (hard)
AL-12S-5FA#220 (Hard)-Finishing rubber whetstone Gomangoku stick (hard)
AL-12S-5FA#320 (Hard)-Finishing rubber whetstone Gomangoku stick (hard)
AL-12S-5FA#1000 (Hard)-Finishing rubber whetstone Gomangoku stick (hard)

Fiber Ceramic Fiber Whetstone CERATON Mini-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Fiber Ceramic Fiber Whetstone CERATON Mini

530+ people viewing

Last viewed: 19 hours ago

■Selaton mini A mini series that is a smaller version of Selaton. Sizes range from 0.3 x 0.3 mm to 1 x 2 mm and are ideal for fine lapping finishin...


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

Yoshikawa Shoko Co., Ltd.

Resiton Cutting Wheel Resiton Silver

390+ people viewing

Last viewed: 1 day 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

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

Sowa Kasei Co., Ltd.

Abrasive material Polishing tool Elastic rubber grindstone

Metal Processing Industry Use

380+ people viewing

Last viewed: 19 hours ago

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


Consumables for sharpening blades: Vittoria diamond whetstones-Tipton Corp.

Tipton Corp.

Consumables for sharpening blades: Vittoria diamond whetstones

100+ people viewing

Last viewed: 1 day ago

- Ideal for finishing and polishing PCD.


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

340+ 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

Offset whetstone G-BLACK whetstone-SHIN-EI GRINDING WHEELS MFG. CO., LTD.

SHIN-EI GRINDING WHEELS MFG. CO., LTD.

Offset whetstone G-BLACK whetstone

740+ people viewing

Last viewed: 1 day ago

■Applications For heavy grinding (general steel, high tensile steel, stainless steel) ■Features This is a high-performance offset whetstone that c...


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

K’s Material Co., Ltd.

Diamond/cutting whetstone/tipped saw grooving cutter

280+ people viewing

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

Price (without tax)

$ 40.93

Vitrified whetstone Centerless whetstone-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Vitrified whetstone Centerless whetstone

530+ people viewing

Last viewed: 2 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. ...


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.

310+ 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 ...


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

Yoshikawa Shoko Co., Ltd.

Resiton Cutting Wheel Resiton Gold

350+ 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

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

Naniwa Polishing Industry Co., Ltd.

Corner whetstone for cutlery Yamato

320+ people viewing

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


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

310+ people viewing

■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

Abrasive material Polishing tool Pink whetstone with shaft PA pink alumina-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Abrasive material Polishing tool Pink whetstone with shaft PA pink alumina

500+ people viewing

Last viewed: 9 hours ago

■Pink whetstone with shaft PA light pink alumina It has higher toughness, hardness, and better shape retention than WA, so it has a longer dressing...


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

K’s Material Co., Ltd.

Diamond/cutting whetstone/tipped saw for stone cutting

240+ people viewing

Last viewed: 6 hours ago

For cutting hard stones such as red granite

2 models listed

Flat for stone 105mm-Diamond/cutting whetstone/tipped saw for stone cutting
Flat for stone 125mm-Diamond/cutting whetstone/tipped saw for stone cutting

Price (without tax)

$ 60.94 〜







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