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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 3

810 products - Page 3

Cast iron Resibon Black Jet high speed grinder RBZ-K-Japan Resibon Co., Ltd.

Japan Resibon Co., Ltd.

Cast iron Resibon Black Jet high speed grinder RBZ-K

390+ people viewing

Last viewed: 4 minutes 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...


Precision electroplated wheels-JTEKT Grinding Tools Co., Ltd.

JTEKT Grinding Tools Co., Ltd.

Precision electroplated wheels

610+ people viewing

Last viewed: 6 hours ago

■Features This is an electroplated CBN wheel used for high precision profile grinding of CVT ball grooves, compressor vane grooves, etc. It is poss...


Both cut whetstones-Tie Sea Ins

Tie Sea Ins

Both cut whetstones

700+ people viewing

Last viewed: 17 hours ago

In 1947, the serious small cutting whetstone challenged by the grinding grinding whetstone tax, a single -handed whetstone tax, collaborated with b...

2 models listed

Both cut whetstones (with 10 pieces) (4562462810888)-Both cut whetstones
Both cut whetstones (with 200 sheets) (4562462810901)-Both cut whetstones

Price (without tax)

$ 13.00 〜

Offset grindstone ALCUT-SHIN-EI GRINDING WHEELS MFG. CO., LTD.

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

Offset grindstone ALCUT

690+ people viewing

Last viewed: 1 day ago

■Applications For aluminum ■Features Contains a special filler to prevent welding during aluminum grinding, allowing stable work to be done withou...


Easy to use, excellent sharpness, high efficiency surface grinding wheel FG Wheel-Kuroda Co., Ltd.

Kuroda Co., Ltd.

Easy to use, excellent sharpness, high efficiency surface grinding wheel FG Wheel

260+ people viewing

Last viewed: 9 hours ago

■Applications ・Rough processing of molds, jigs, machine parts, automobile parts, etc. ・Hardened steel with HRc45 or higher Tool steel (SKH, SKD, ...

4 models listed

BKA-001-Easy to use, excellent sharpness, high efficiency surface grinding wheel FG Wheel
BKA-002-Easy to use, excellent sharpness, high efficiency surface grinding wheel FG Wheel
BKA-003-Easy to use, excellent sharpness, high efficiency surface grinding wheel FG Wheel
BKA-004-Easy to use, excellent sharpness, high efficiency surface grinding wheel FG Wheel

Resinoid whetstone Naniwa elastic offset whetstone Z-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Resinoid whetstone Naniwa elastic offset whetstone Z

210+ people viewing

Last viewed: 1 day ago

■Summary - Provides elasticity and absorbs vibrations. No tapping occurs. ・Low noise and reduced work burden. ・The grooves on the surface that is...


Grinder tool set Rubber whetstone set for grinding WA Medium ZC4310-Miniter Co., Ltd.

Miniter Co., Ltd.

Grinder tool set Rubber whetstone set for grinding WA Medium ZC4310

330+ people viewing

■Features We have a lineup of rubber grindstones of representative sizes for each processing purpose. ■Compatible materials ・Tool steel, alloy st...


Double -sided reinforcement thinning whetstone NEX'US (Nexus)-Sanko Made Co., Ltd.

Sanko Made Co., Ltd.

Double -sided reinforcement thinning whetstone NEX'US (Nexus)

410+ people viewing

Last viewed: 6 minutes ago

Thin cutting whetstone series. There is an all -rounder type and a sharp -oriented type.

2 models listed

CD-Double -sided reinforcement thinning whetstone NEX'US (Nexus)
CD1-Double -sided reinforcement thinning whetstone NEX'US (Nexus)

Thin cutting wheel-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Thin cutting wheel

390+ people viewing

Last viewed: 18 hours ago

■Features -A cutting whetstone used when cutting precision is required or when cutting expensive materials. ・Used with high-speed cutting machines...


Fiber Ceramic Fiber Grindstone CERATON-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Fiber Ceramic Fiber Grindstone CERATON

740+ people viewing

Last viewed: 21 hours ago

■Ceramic fiber whetstone A high-strength and highly elastic whetstone created by combining alumina fiber and thermosetting epoxy resin in a well-ba...


Abrasives Jig grinding shaft included Internal whetstone Diamond/CBN electrodeposition type 3mm shaft included-Sowa Kasei Co., Ltd.

Sowa Kasei Co., Ltd.

Abrasives Jig grinding shaft included Internal whetstone Diamond/CBN electrodeposition type 3mm shaft included

570+ people viewing

Last viewed: 25 seconds ago


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

K’s Material Co., Ltd.

Diamond/cutting whetstone/tipped saw for tiles

200+ people viewing

Last viewed: 1 day ago

2 models listed

Tile Beauty II-Diamond/cutting whetstone/tipped saw for tiles
Tile 2000 Usuba-Diamond/cutting whetstone/tipped saw for tiles

Price (without tax)

$ 35.29 〜

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

Toyo Polishing Industry Co., Ltd.

Vitrified whetstone flat whetstone

590+ people viewing

■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. ...


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

Yoshikawa Shoko Co., Ltd.

Resiton Polishing Whetstone Hyper Green Seven

340+ people viewing

Last viewed: 1 day 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

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

440+ people viewing

Last viewed: 1 day 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

Consumables for sharpening blades: Vitrified thin whetstones-Tipton Corp.

Tipton Corp.

Consumables for sharpening blades: Vitrified thin whetstones

Architecture & Construction Use

170+ people viewing

Last viewed: 22 hours ago

• Used for sharpening metal saws. Abrasive grains are selected from PA and WA depending on the sharpening conditions. • Orders are accepted in 0.5...

6 models listed

Vitrified thin grinding wheel-Consumables for sharpening blades: Vitrified thin whetstones
Vitrified thin grinding wheel-Consumables for sharpening blades: Vitrified thin whetstones
Vitrified thin grinding wheel-Consumables for sharpening blades: Vitrified thin whetstones
Vitrified thin grinding wheel-Consumables for sharpening blades: Vitrified thin whetstones
Vitrified thin grinding wheel-Consumables for sharpening blades: Vitrified thin whetstones
Vitrified thin grinding wheel-Consumables for sharpening blades: Vitrified thin whetstones

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

180+ 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

Shape Gomangoku stick (soft)-Nakajima Koki Co., Ltd.

Nakajima Koki Co., Ltd.

Shape Gomangoku stick (soft)

270+ people viewing

With the Shape Gomangoku stick, you can efficiently and easily finish the inner diameter and inside of the groove, finish round shapes, corners, ir...

5 models listed

AL-BB-5-#46 (soft)-Shape Gomangoku stick (soft)
AL-BB-5-#80 (soft)-Shape Gomangoku stick (soft)
AL-BB-5-#120 (soft)-Shape Gomangoku stick (soft)
AL-BB-5-#220 (soft)-Shape Gomangoku stick (soft)
AL-BB-5-#320 (soft)-Shape Gomangoku stick (soft)

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

Sowa Kasei Co., Ltd.

Abrasives Polishing tools Diamond whetstones

450+ 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...


Super abrasive honing stone-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Super abrasive honing stone

450+ people viewing

Last viewed: 7 hours ago

■Abrasive grain A wide range of abrasive grains are used, including WA, GC, WA+GC abrasive grains, other alumina-based abrasive grains, other chrom...


Electroplated wheel-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Electroplated wheel

480+ people viewing

Last viewed: 1 day ago

■Features - Abrasive grains and electrodeposition method: Diamond or CBN abrasive grains are generally used as abrasive grains. - Electrodeposition...


Drill sharpener grindstone (for EA826EM) EA826EM-1-Cains Co., Ltd.

Cains Co., Ltd.

Drill sharpener grindstone (for EA826EM) EA826EM-1

370+ people viewing

Replacement whetstone for EA826EM

Price (without tax)

$ 7.61

Cutting wheel CBN blade M (metal bond)-Marto Co., Ltd.

Marto Co., Ltd.

Cutting wheel CBN blade M (metal bond)

480+ people viewing

Last viewed: 7 hours ago

■Features CBN (cubic boron nitride) and a layer of metal binder abrasive grains are continuously molded onto the outer periphery of the rigid and h...


For high lap stone-Ishikura Shoten Co., Ltd.

Ishikura Shoten Co., Ltd.

For high lap stone

410+ people viewing

Last viewed: 7 minutes ago

■Specifications Ideal for flat and curved surface polishing and small-edge polishing of various decorative stones, marble, and Mikage stone.

5 models listed

Particle size 60-For high lap stone
Particle size 120-For high lap stone
Particle size 320-For high lap stone
Particle size 500-For high lap stone
Particle size 1,000-For high lap stone

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

Tipton Corp.

Consumables for sharpening blades: Resin diamond whetstones

200+ people viewing

Last viewed: 3 hours ago

- Ideal for rough polishing of PCD.


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

350+ people viewing

■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 Gouken New <Arata>-Naniwa Polishing Industry Co., Ltd.

Naniwa Polishing Industry Co., Ltd.

Whetstone for knives Gouken New <Arata>

200+ people viewing

■Summary ・Craftsman specifications for high-quality blade attachment ・It is possible to quickly sharpen even highly hardened steel materials that...


XEBEC Stone Elastic Shaft Type Patent-Xebec Technology Co., Ltd.

Xebec Technology Co., Ltd.

XEBEC Stone Elastic Shaft Type Patent

330+ people viewing

Last viewed: 7 hours ago

■Summary ・Ideal for removing burrs that occur at the hole opening and exit side (back deburring) that occur after hole drilling, and for removing ...

7 models listed

CH-PB-3B-XEBEC Stone Elastic Shaft Type Patent
-XEBEC Stone Elastic Shaft Type Patent
-XEBEC Stone Elastic Shaft Type Patent
-XEBEC Stone Elastic Shaft Type Patent
-XEBEC Stone Elastic Shaft Type Patent
-XEBEC Stone Elastic Shaft Type Patent

Cutting wheel-Toyo Polishing Industry Co., Ltd.

Toyo Polishing Industry Co., Ltd.

Cutting wheel

470+ people viewing

Last viewed: 6 hours ago

■Features ・A whetstone used for cutting workpieces. ・Generally, Ф100 to Ф205 are used with a disc grinder, and Ф305 and above are attached to a c...


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

K’s Material Co., Ltd.

Diamond/cutting whetstone/tipped saw polishing whetstone

320+ people viewing

Last viewed: 7 hours ago

7 models listed

NEW SA Polisher G1-Diamond/cutting whetstone/tipped saw polishing whetstone
Dalai double cup-Diamond/cutting whetstone/tipped saw polishing whetstone
Ichigo Series Dry Cup Surface-Diamond/cutting whetstone/tipped saw polishing whetstone
Flat S-shaped diamond wheel-Diamond/cutting whetstone/tipped saw polishing whetstone
Diamond dry cup-Diamond/cutting whetstone/tipped saw polishing whetstone
Super F-II 180×6×22mm-Diamond/cutting whetstone/tipped saw polishing whetstone

Price (without tax)

$ 2.34 〜







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