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This section provides an overview for hand lappers as well as their applications and principles. Also, please take a look at the list of 8 hand lapper manufacturers and their company rankings. Here are the top-ranked hand lapper companies as of April, 2025: 1.Best Diamond Industrial Co., Ltd, 2.Gesswein Co, Inc..
Table of Contents
Hand lappers are tools featuring an abrasive surface attached to a rod that are designed for manually polishing, smoothing, or grinding of surfaces. Also known as hand horns or hand stones in some contexts, these tools are ideal for detailed polishing and finishing tasks. They come with a variety of abrasives and particle sizes for different effects, providing a cost-effective solution for smaller jobs compared to motorized or mechanical polishing equipment.
While hand lappers are economical, their manual operation requires more time and effort, especially for larger surfaces. Users should take breaks to prevent fatigue and need proper skills and experience for effective use.
Hand lappers are versatile and used in metal processing, woodworking, automobile maintenance, and stonework for finishing and polishing tasks.
Useful for finishing metal surfaces, removing weld seams or burrs, thus enhancing the appearance and strength of metal parts.
Hand lappers achieve smooth wood surfaces for furniture, cabinets, and crafts, rounding edges and eliminating irregularities.
Crucial for polishing vehicle bodies, repairing scratches, and enhancing appearance, especially after paint jobs.
Essential for polishing and finishing stone surfaces in buildings and monuments, adding patterns and decorative touches.
Hand lappers work by applying abrasive particles against the target surface, using friction to remove irregularities, scratches, or dirt, resulting in a smooth and polished finish. The choice of abrasive material and the applied pressure are key to achieving the desired results.
Selection criteria include grain size, types of abrasives, and handle length, affecting the finish quality, material suitability, and user comfort:
Grain size indicates the abrasiveness level, with higher values providing finer finishes. Selection ranges from rough (#240) to precision (#400 or higher).
Boron carbide, with a Mohs hardness of 9.497, is a common choice for its durability, second only to diamond and cubic boron nitride. Diamonds are used for precise tasks, while alumina or ceramic abrasives are popular for general use.
The handle's length influences usability; longer handles are beneficial for large areas, whereas shorter handles offer better control for detailed work.
*Including some distributors, etc.
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BORIDE Engineered Abrasives, founded in 1983 with facilities in the USA, is a manufacturer of abrasive products for industrial and consumer applications. The company's polishing products include polishing stones, mounted points, coated abrasives, air grinders, and sharpening stones used in dry grinding, wet grinding, material removal or roughing, blending or intermediate cutting, or finishing and deburring. BORIDE Engineered Abrasives uses aluminum oxide and silicon carbide in production, and their manufacturing facility is ISO 9001:2015 certified. Their products can be ordered directly from their website or through their network of distributors and suppliers.
Varun Udyog, founded in 1992 and based in Mumbai, India, is a manufacturer and retailer of Tungsten Carbide Dies and Diamond Tools. The company is an ISO 9001-2015 certified manufacturer of electroplated diamond and CBN tools, resin/ metal bonded diamond and CBN tools, Tungsten Carbide Dies and Wear Parts, Wire Drawing Lubricants, Diamond Dressers/PCD/PCBN Tools and Diamond Paste / Micron Powder / Boron Carbide Tools. Varun Udyog supplies its products to customers in more than 15 countries.
Best Diamond Industrial Co., Ltd founded in New Taipei, Taiwan, in 1980, is a manufacturer of diamond and CBN grinding tools. The company’s product catalog includes ultrasonic micromotor systems, air grinders, wood brushes, and diamond-mounted points. Its cubic boron nitride (CBN) is used for grinding hard-to-grind ferrous materials where aluminum oxide or silicon carbide wheels fail to perform. The company is certified by SGS, IAF, and UKAS. It exports products to 30 countries.
August Rüggeberg GmbH & Co. KG founded in Hauptstraße, Marienheide, Germany, in 1799, is a manufacturer and distributor of surface processing and cutting equipment. The company manufactures drilling tools, composite brushes, grinding and polishing tools, and pneumatic drums. Its turnover in 2022 was €328 million and has 1,950 employees. The company also provides spare parts for its products in over 100 countries worldwide. Its diamond trim bruises are used for rounding the edges of tungsten carbide tools.
Eiko Electric Industrial Co. Ltd. has been a manufacturer, distributor, and supplier of electrical equipment since 1977 and is based in Tokyo, Japan. The company designs and develops automotive parts, hydraulic power units, and mechatronics products that have applications in the electrical sector. It also carries several sub-brands that focus on producing motion systems, and a couple of them design and manufacture customized equipment to serve numerous industries, such as medical devices, machine tools, and furniture.
Solar Diamond has been manufacturing diamond tools since 1982 and is based in Maharashtra, India. The company provides diamond dressers that are used to polish and shape edges of hard materials; CBN honing stones are used for smoothening surfaces, whereas PCD and PCBN cutting tools are used in high-precision machines because of their hardness and ability to perform at high speeds. The various tools, machines, and products have applications when working with carbide, glass, ceramics, metals, and stones and serve industries like metalworking, jewelry, engineering, automotive, aerospace, and more.
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.
Ranking as of April 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Best Diamond Industrial Co., Ltd |
50.0%
|
| 2 | Gesswein Co, Inc. |
50.0%
|
Derivation Method
The ranking is calculated based on the click share within the hand lapper page as of April 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
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
India
|
2 | 33.3% |
|
United States of America
|
1 | 16.7% |
|
Taiwan
|
1 | 16.7% |
|
Germany
|
1 | 16.7% |
|
Japan
|
1 | 16.7% |
99 products found - Page 2
99 products - Page 2
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A sharpening file for saws. In addition to sharpening saws, it can also be used for general metal processing. 1 box contains 6 pieces. *Hira and Ko...
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■Usage All mold materials from hardened steel to carbide ■How to use Power tools, ultrasonic waves, air polishing, manual work
9 models listed
