Engineered by
Precision Surfacing Solutions

An industry leader in precision surfacing solutions

Lapmaster WoltersIn today's technologically advanced world, there are a growing number of applications where conventional machining techniques just aren't accurate enough to meet precision surfacing requirements. Precision surfacing with abrasive media, a technology developed and refined by LAPMASTER WOLTERS over the past decades, can often be the answer.

However, it takes more than the technology alone to produce precision surfacing specifications. It takes a company with extensive knowledge and experience with a broad range of materials and applications . A company capable of creating customized, turnkey precision surfacing solutions utilizing the latest conventional and superabrasive techniques. It takes LAPMASTER WOLTERS, your partner in precision surfacing technology.
For the last decades, industry has relied on LAPMASTER WOLTERS to solve the most challenging precision surfacing problems. With our intense experience, LAPMASTER WOLTERS has a proven history of successfully developing cost effective processing solutions for virtually any application. Whether its precision sizing, flatness, parallelism, or surface finish that's required, LAPMASTER WOLTERS has the solution!

LAPMASTER WOLTERS serves the Fine Grinding and Creep-Feed Grinding, Advanced Materials, Precision Optics, Bore Honing and Finishing, Lapping/Polishing, Deburring and Metallographic markets through an expanding network of sales and services offices located throughout the world. Sales and technical service is available either through your local LAPMASTER WOLTERS Sales Representative or through our main Sales and Technical Services Centers located in Mount Prospect, IL, Rendsburg, Germany, Plymouth, UK, Chennai, India, Tokyo, Japan and Shenyang, China. Our customer service staff is standing by to assist you. Training at one of our facilities or on-site training is also available.

History of Lapmaster:

1948 Established as division of John Crane in Chicago, IL
1954 Established Lapmaster UK
1960 Established Japanese Joint Venture
2003 Management Buyout
2004 Established Lapmaster India Chennai
2005 Established Lapmaster China Shenyang
2006 Lapmaster acquires Barnes Honing
2007 Lapmaster relocates to new facility in Mount Prospect, IL
2009 Lapmaster acquires Bates Technologies
2014 Lapmaster acquires Peter Wolters

History of Peter Wolters:

1804 Founded by Mr. Johann Peter Wolters
1936 Beginning of the licensed production of fine grinding, lapping and polishing machines
1943 Construction and distribution of lapping and polishing machines under own direction
1961 Delivery of the first lapping machine for silicon wafers to Wacker    
1974 Foundation of PETER WOLTERS of America Inc. in Plainville near Boston (USA)
1992 Foundation of PETER WOLTERS Asia Pte. Ltd. in Singapore
1998 Foundation of PETER WOLTERS Japan K.K. in Osaka (Japan)
2004 Sale of PETER WOLTERS to Novellus Systems, The product line SpeedFam-IPEC (former Spitfire) now belongs to Peter Wolters and is renamed as SpeedFam-PW
2005 Acquisition of Swiss Voumard Machines Ca, SA
2008 Acquisition of US product line micron
2012 Sale of Novellus Systems to Lam Research, PETER WOLTERS GmbH has a new parent company
2014 Sale of Voumard Product Line
2014 Lapmaster Group Holdings LLC  acquires Peter Wolters

History of Barnes Bore Honing

1907  Foundation of Barnes Drill
1926  Establishing Barnes Honing
1930  First vertical Honing machine
1965  First electric hone expansion
1983  First servo expansion system
1984  Establishing super-abrasive Honing
1985  HV-7000 modular Honing system
1992  First Push-Pull Honing system
2002  HV-9000 modular Honing system
2006  Barnes Bore Honing-Finishing acquired by Lapmaster

Precision Surfacing Solutions family of brands
Precision Surfacing Solutions Wheel BrandPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersPrecision Surfacing SolutionsPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersLapmaster WoltersPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersBarnes HoningPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersElb SchliffPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersISOGPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter Woltersaba GrindingPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersReformPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersKehrenPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersMicronPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter WoltersPeter WoltersPSSLapmasterBarnesISOGElbabaReformKehrenMicronPeter Wolters

    PRECISION SURFACING SOLUTIONS supports manufacturers in a wide variety of industries in which precision grinding, lapping, polishing, deburring and advanced materials processing equipment is commonly used. They all need high-quality, high-precision, stable and well-engineered machines to manufacture high-quality work pieces.

    Visit Site
  • Lapmaster Wolters

    Founded in Chicago in 1948 as a manufacture of lapping and polishing machines for the mechanical seal market, Lapmaster has grown to a worldwide solution provider for more than 20 industries like precision optics and advanced materials.

    Visit Site
  • Barnes Honing

    Since 1907 Barnes has been considered a world leader in developing innovative honing and bore finishing technology and processes. The earliest Barnes honing machines were the first to make honing a practical and efficient means of finishing automotive cylinder bores in a production environment.

    Visit Site
  • ISOG

    Since May 2020, the brand ISOG belongs to the globally active Precision Surfacing Solutions Group. With the addition of ISOG to the already existing strong brands within the Group, PSS further strengthens its position as a leading supplier of high quality, best in class technologies in the market of surface quality enhancement solutions.

    Visit Site
  • ELB-Schliff

    ELB-Schliff Werkzeugmaschinen GmbH has been producing surface and profile grinding machines for over 70 years. The company was founded by Edmund Lang in the city of Babenhausen which led to the name "ELB-Schliff".

    Visit Site
  • aba Grinding

    The aba company was founded in 1898 under the name "Messwerkzeugfabrik Alig & Baumgärtel Aschaffenburg", hence the initials aba. Today, the aba Grinding Technologies is exclusively focused on the advancement and production of precision surface and profile grinding machines.

    Visit Site

    REFORM Grinding Technology GmbH is specialized in the sales, development & production of grinding machines for various applications at its location in Aschaffenburg (Germany).

    Visit Site

    Founded in 1934, KEHREN is a well-established designer and builder of high-precision grinding machine tools and systems under the following categories: vertical grinding centers, vertical grinding centers with portal design, surface grinders with rotary tables and horizontal spindles, and surface grinders with dual rotary tables and vertical spindles.

    Visit Site
  • Micron

    Produced in Germany since 2009, MICRON machines are compact and dynamically rigid grinding machines especially designed for Creep Feed and Profile grinding. MICRON is an industry leader in grinding of Hydraulic components like stators, rotors and van pumps.

    Visit Site
  • Peter Wolters

    Founded in Germany in 1804 by Mr. Peter Wolters, Peter Wolters has been producing lapping, polishing and fine grinding equipment since 1936. In 2019 Precision Surfacing Solutions acquired the division Wafer plant and service business for photovoltaic and special materials of Meyer Burger. Further Information can be found at

    Visit Site