Sargent
An American hand-tool brand with roots in nineteenth-century New Haven manufacturing and a current focus on professional crimping, stripping, plumbing, electrical, datacom, automotive, and industrial tools.
Last updated October 14, 2026
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Overview
Sargent is an American professional hand-tool brand whose present-day products are manufactured by Elm City Tools, the trading name of Oetiker Tool Corporation, a member of the Oetiker Group. The brand is associated with rugged, trade-oriented tools made in the United States, particularly crimpers, wire-preparation tools, pliers, punches, cable tools, and plumbing tools. Its current headquarters and manufacturing operation are in Wallingford, Connecticut, near the historic New Haven industrial base from which the brand developed. The Sargent name has several overlapping historical lineages. The current Sargent Tools business identifies its origins with the William Schollhorn Company, established in the New Haven area in 1870. Schollhorn and related predecessor operations produced scissors, planes, pliers, pruning shears, punches, leather-working tools, and other specialty implements. The company became associated with William Bernard, whose patented parallel-action and combined plier designs helped establish a durable technical foundation for the business. Some Bernard pliers were later supplied to the U.S. military during the First World War. A separate but closely related New Haven industrial lineage came from Sargent & Co., the hardware and tool manufacturer established by Joseph Bradford Sargent and his brothers after they acquired control of a New Britain, Connecticut supplier and moved operations to New Haven in 1864. Sargent & Co. became a major American maker and distributor of locks, architectural hardware, planes, woodworking tools, and general hardware. The company’s historical catalogs covered a very broad range of products. Its planes, parallel-action pliers, punches, and other tools are now collected as examples of American industrial toolmaking. Sargent Manufacturing acquired the William Schollhorn Company in 1948, bringing the two lineages together within a larger manufacturing organization. During the twentieth century, Sargent gradually shifted from a broad hardware portfolio toward more specialized product categories. Vintage woodworking lines, including hand planes, were eventually discontinued, while the company concentrated more heavily on architectural hardware, locks, and specialty hand tools. The hand-tool division entered crimping technology in the 1960s, a strategic move that shaped the modern Sargent brand. In 1987, Rostra Tool Company was formed through the purchase of Sargent Manufacturing’s hand-tool division. The Rostra operation retained the Sargent tool heritage and continued producing specialized tools for electrical, communications, automotive, plumbing, and industrial applications. Oetiker acquired Rostra Tool Company in 2014. Under Oetiker ownership, the operation became Oetiker Tool Corporation and later adopted the Elm City Tools name in 2022. The rebranding gave the tool business greater operating autonomy while preserving the Sargent and Oetiker product brands. In 2024, Elm City Tools moved into a newly constructed facility in Wallingford, Connecticut, intended to increase production capacity and support additional staffing. Today, Sargent is positioned as a professional and industrial hand-tool brand rather than a general consumer hardware label. Its product range includes electrical and electronic crimpers, wire strippers, terminal tools, modular-plug and coaxial tools, cable-preparation equipment, automotive connector tools, wire-rope cutters and swagers, industrial pliers and punches, and PEX plumbing tools. The company emphasizes domestic manufacturing, application-specific engineering, calibration, compatibility with particular connector and plumbing systems, and distribution through trade and industrial channels. It also offers custom tool design, prototyping, validation, serial production, and private-label manufacturing through Elm City Tools.
History
Sargent’s history is best understood as the convergence of several New Haven-area toolmaking and hardware businesses rather than as the uninterrupted history of one legal corporation. The modern Sargent Tools brand traces its manufacturing heritage to 1870, when the business that became the William Schollhorn Company began operations in Connecticut. Early products included scissors, wooden planes, pliers, pruning shears, punches, and specialty tools. The company later worked with William Bernard, an engineer and salesman associated with patented parallel-action and combined plier mechanisms. These designs helped establish the company’s reputation for mechanically distinctive hand tools, and Bernard pliers were reportedly issued to U.S. infantry during the First World War. In 1891 the business was incorporated as the William Schollhorn Company. By 1935 it had moved to Chapel Street in New Haven and was producing a broad range of tools, including carpenter planes, leather-working tools, punches, pliers, and pruning equipment. This operation became particularly important to the later Sargent brand because Sargent Manufacturing acquired William Schollhorn in 1948. The Sargent name itself has an older New Haven hardware history. Joseph Bradford Sargent and his brothers George and Edward developed a wholesale and commission hardware business in New York and acquired control of a New Britain, Connecticut supplier in 1857. In 1864 they moved the operation to New Haven and incorporated Sargent & Co. The new factory benefited from harbor access, rail connections, and an expanding industrial workforce. Over time Sargent became a significant American producer and distributor of locks, architectural hardware, general hardware, planes, and other tools. Historical catalogs show an unusually broad product assortment, while company facilities grew into a large multi-building manufacturing complex. Sargent’s early business included sales representation for other hardware and tool manufacturers. After the company’s relationship with Mallory, Wheeler & Co. ended, Sargent began making its own locks. It also sold or represented lines associated with plane makers including Leonard Bailey and Stanley-related businesses before developing its own planes. By the late nineteenth and early twentieth centuries, Sargent catalogs included bench planes, block planes, transitional planes, pliers, punches, and many other tools. The brand became especially associated with sturdy cast-metal tools and parallel-action pliers. The company’s scale brought both economic importance and labor conflict. Sargent employed a large workforce in New Haven and experienced a strike in 1902 connected with demands for union recognition and higher wages. During the First and Second World Wars, portions of the plant were adapted for war-related production, and women entered the workforce in greater numbers as men left for military service. After the Second World War, management increasingly narrowed the portfolio. Sargent became better known for locks, door hardware, and related engineering, while some vintage tool lines were reduced or discontinued. Production of planes ended by the mid-1960s. The hand-tool side of the business nevertheless developed a new strategic direction. Sargent entered crimping technology in the 1960s, applying its manufacturing expertise to tools used for electrical connections, communications cabling, and other specialized applications. In 1967, Sargent & Co. was sold to Walter Kidde, beginning a period of ownership by several corporate and financial groups. The architectural hardware business was eventually acquired by ASSA ABLOY in 1996, but the hand-tool business followed a separate path. In 1987, Rostra Tool Company was established through the purchase of Sargent Manufacturing’s hand-tool division. The operation transferred employees and equipment from the former Sargent tool group and continued developing professional tools for electrical, electronic, cable, automotive, plumbing, and industrial users. The Sargent name remained attached to the product line even as the operating company changed. Oetiker acquired Rostra in 2014. Oetiker’s ownership connected the Sargent tool range with a global manufacturer known for engineered clamping and connection systems. The tool operation later operated as Oetiker Tool Corporation and, in 2022, was rebranded Elm City Tools. The company continued to manufacture Sargent and Oetiker branded tools, while also offering custom design, prototyping, validation, production, and private-label services. In 2024, Elm City Tools moved to a newly built Wallingford facility designed to increase capacity and support growth. The current Sargent brand is therefore a living continuation of an American specialty-tool tradition, but not a direct synonym for every business historically called Sargent. Its present assortment is centered on professional tools: terminal and connector crimpers, wire strippers, coaxial and CATV tools, automotive tools, PEX installation tools, pliers, punches, and wire-rope equipment. The brand’s differentiation rests on domestic production, long manufacturing continuity, trade-specific designs, mechanical reliability, and compatibility with defined connector, cable, and plumbing standards.
- 2024
Elm City Tools opens a new Wallingford facility
[3]The company moved to a newly constructed facility intended to double production capacity and support additional staffing.
- 2022
Oetiker Tool Corporation becomes Elm City Tools
[3]The Oetiker-owned tool operation adopted the Elm City Tools name while retaining the Sargent and Oetiker tool brands.
- 2014
Oetiker acquires Rostra Tool Company
[3]Oetiker acquired Rostra, strengthening its tool capabilities and bringing the Sargent hand-tool operation into the Oetiker Group.
- 1996
ASSA ABLOY acquires the Sargent architectural-hardware business
[6]ASSA ABLOY acquired SARGENT and related companies, primarily in the locks and architectural-hardware business. The hand-tool lineage had already separated through the Rostra transaction.
- 1987
Rostra Tool Company is formed from Sargent’s hand-tool division
[3]The hand-tool division of Sargent Manufacturing was purchased and reorganized as Rostra Tool Company, with employees and operations transferred to Branford, Connecticut.
- 1967
Sargent is sold to Walter Kidde
[6]The Sargent family and shareholders accepted an offer from Walter Kidde, beginning a period of corporate ownership changes.
- 1960
Sargent enters crimping technology
[3]Sargent began developing crimping tools, establishing the specialty connection-tool focus that remains central to the modern brand.
- 1948
Sargent Manufacturing acquires William Schollhorn Company
[3]The acquisition combined the Schollhorn specialty-tool lineage with the broader Sargent manufacturing organization.
- 1935
Schollhorn moves to Chapel Street in New Haven
[3]The company moved to Chapel Street and produced pruning shears, punches, pliers, carpenter planes, specialty tools, and leather-craft tools.
- 1917
Bernard pliers enter U.S. military service
[3]Bernard pliers were used as standard equipment by U.S. infantry as the United States entered the First World War.
Products and positioning
A Made-in-USA professional hand-tool brand focused on durable, application-specific tools for electrical, datacom, cable, automotive, plumbing, wire-rope, and industrial trades.
Electrical tools · 1960
Electrical and electronic crimping tools
Sargent produces hand-operated and interchangeable-die crimpers for insulated and non-insulated terminals, power lugs, open-barrel terminals, pins, sockets, ferrules, ring terminals, spade terminals, and other electrical connection systems. The line is aimed at electricians, harness assemblers, maintenance personnel, and original-equipment applications requiring repeatable terminal compression.
Wire and cable tools
Wire strippers and cable-preparation tools
The brand’s wire-preparation portfolio includes stripping, cutting, and cable-preparation tools for electrical, telecom, datacom, coaxial, CATV, and related applications. Products are designed around defined cable constructions and connector systems, with selection charts and replacement blades or cartridges supporting professional users.
Communications tools
CATV and coaxial compression tools
Sargent makes compression and drop tools for RG6, RG59, RG7, RG11, and related coaxial cable systems. These tools support the installation of environmentally sealed F connectors and other cable-television hardware, with designs emphasizing mechanical advantage, connector compatibility, repeatability, and reduced installer fatigue.
Automotive service tools
Automotive connector and terminal tools
Automotive offerings include ratchet crimp tools for sealed splices, Metri-Pack terminals, Micro-Pack terminals, GT terminals, and other vehicle wiring systems. The range serves aftermarket repair, electrical service, harness assembly, and connector-specific applications where the correct die profile and terminal geometry are important.
Plumbing tools
PEX plumbing tools
Sargent’s plumbing range includes PEX crimpers, press-sleeve tools, clamp pincers, compact ratchet tools, combination tools, cutters, gauges, and replacement die sets. Products cover copper crimp rings and stainless-steel PEX press sleeves in common residential and light-commercial pipe sizes. Some tools are designed for recalibration and include go/no-go gauges.
Industrial hand tools · 1870
Industrial pliers and punches
The industrial line includes parallel-action flat-nose pliers, side-cutting pliers, loose-leaf punches, paper punches, and other specialty implements. These products connect the current brand with the older Sargent and Schollhorn tradition of mechanically specialized American hand tools.
Wire-rope tools
Wire-rope cutting and swaging tools
Sargent offers tools for cutting and swaging wire rope and related cable products. These tools are intended for industrial, marine, architectural, and maintenance applications in which controlled cutting and end termination are required.
Contract manufacturing
Custom and private-label tools
Through Elm City Tools, the organization provides custom hand-tool development from design and prototyping through validation and serial production. It also supports private-label programs and custom retail packaging for customers that need application-specific tools under another brand or product identity.
Woodworking tools · 1884
Historical woodworking planes
Historical Sargent product lines included bench planes, block planes, transitional planes, and other woodworking tools. These products are no longer a central part of the current Sargent Tools assortment, but vintage Sargent planes remain significant among collectors of American hand tools.
Brand decisions
2024
Expansion into a new Wallingford manufacturing facilityStrategyBackground
Growth in custom manufacturing and branded tools required additional production and engineering capacity.
Action taken
Elm City Tools moved to a newly constructed facility in Wallingford, Connecticut, designed to increase capacity and staffing.
Aftermath
The move strengthened the company’s domestic manufacturing base and provided room for future Sargent product development and private-label production.
2022
Rebranding as Elm City ToolsStrategyBackground
The Oetiker-owned tool organization wanted greater autonomy and a clearer identity for custom manufacturing and its branded tool operations.
Action taken
Oetiker Tool Corporation adopted the Elm City Tools name while continuing to manufacture Sargent and Oetiker branded products.
Aftermath
Sargent remained the principal professional hand-tool brand, while Elm City Tools became the operating and engineering identity behind the business.
2014
Oetiker acquisition of Rostra Tool CompanyM&ABackground
Oetiker sought to strengthen its tooling capabilities and broaden its product and engineering base around connection and clamping applications.
Action taken
Oetiker acquired Rostra Tool Company and integrated the tool operation into the Oetiker Group.
Aftermath
The Sargent brand gained the support of a larger international industrial group while continuing to be manufactured in the United States.
1987
Sale and reorganization of the hand-tool division as Rostra Tool CompanyM&ABackground
Sargent Manufacturing increasingly operated separate business lines, and its hand-tool division was separated from the larger organization.
Action taken
The hand-tool division was purchased and reorganized as Rostra Tool Company, with the operation and employees transferred to Branford, Connecticut.
Aftermath
The transaction preserved the Sargent hand-tool product heritage while creating a standalone platform for specialty crimping and trade tools.
1960
Entry into professional crimping toolsStrategyBackground
Sargent had a long history of producing mechanically specialized hand tools, but the company’s traditional woodworking and general hardware categories faced increasing competition and changing demand.
Action taken
The company entered crimping technology and began developing tools for electrical, communications, and other connection applications.
Aftermath
Crimping became a defining modern category for Sargent and remains central to its electrical, datacom, cable, automotive, and plumbing portfolios.
1948
Acquisition of William Schollhorn CompanyM&ABackground
The Schollhorn toolmaker represented an important specialty-hand-tool lineage in the New Haven area, while Sargent Manufacturing had a broader hardware and tool business.
Action taken
Sargent Manufacturing acquired William Schollhorn Company and incorporated its products, engineering heritage, and manufacturing capabilities into the Sargent organization.
Aftermath
The acquisition connected the Schollhorn and Sargent lineages and helped form the historical basis of the modern Sargent specialty-tool brand.
Recent events
- 2026
Sargent Tools continues its Made-in-USA professional tool program[1]
Other
The current Sargent Tools website presents an active portfolio spanning plumbing, automotive aftermarket, wire rope, cable television, electrical and electronics, voice/data/video, and industrial applications.
- 2024
Elm City Tools moves into a new Wallingford facility[3]
strategy
Elm City Tools moved to a newly constructed facility in Wallingford, Connecticut, with the stated objective of increasing production capacity and expanding staffing.
- 2022
Oetiker Tool Corporation rebrands as Elm City Tools[3]
strategy
The Oetiker-owned tool operation adopted the Elm City Tools name while continuing to manufacture Sargent and Oetiker branded tools. The change was presented as a move toward greater autonomy and renewed product development.
- 2014
Rostra Tool Company is acquired by the Oetiker Group[3]
M&A
Oetiker acquired Rostra Tool Company, the successor operation created from Sargent Manufacturing’s hand-tool division. The transaction expanded Oetiker’s tool capabilities and preserved the Sargent tool business within the group.
Sources9 sources
- 1Sargent Tools official websitesargenttools.com
- 2Sargent Tools about pagesargenttools.com
- 3Elm City Tools history and company profileelmcitytools.com
- 4Oetiker global presenceoetiker.com
- 5Sargent Tools product information and catalogsargenttools.com
- 6History of Sargenttimetestedtools.net
- 7Sargent and Company historical documentthckk.org
- 8Smithsonian trade catalogs for Sargent & Co.si.edu
- 9Wikidata record for Sargent & Co.wikidata.org
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