Connector Assembly Tools


Daniels Manufacturing Corporation® produces a variety of innovative connector assembly tools including insertion/removal (I/R) tools, contact retention testers, adapters, banding tools, jam nut sockets, and more. These tools are used to insert and remove contacts, verify their retention, and hold connectors while installing backshell, strain-relief, or EMI/RFI shielding.

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A variety of I/R tools have been designed to accommodate hundreds of connectors including mil-spec circular connectors. Probe, tweezer, and plier-style I/R tools are available in both plastic and metal allowing operators to properly install or remove contacts without damage. Contact retention tools allow for in-house quality assurance tests to check the retention of contacts within the connector. Adapter tools offer an improved method for holding connectors while assembling and torquing backshells. Our adapter tools are configured to mate with specific connector series and shell sizes regardless of the keying arrangement. DMC offers multiple tools used to terminate electromagnetic interference (EMI) bands onto connector assemblies. Jam nut sockets are used for the installation of jam nut connectors and are an excellent choice for OEM assembly areas. Additional tools including wrenches, pliers, and vises extend DMC’s connector assembly capabilities.

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Insertion & Removal Tools


Banding Tools

Contact Retention Testers

Jam Nut Tooling

Other Connector Assembly Tools


DMC offers a variety of crimp tools for different applications including manual, pneumatic, battery, and manual hydraulic. Manual crimp tools are lightweight and compact. Pneumatic tooling is ideal for high-production work environments. Pneumatic tools are known for dependability and adaptability. Battery tools were created to provide a portable and ergonomic means for crimping wire. Many come with the added benefit of data capture and Bluetooth® connectivity. Our manual hydraulic tooling reduces the force needed with conventional hand tools, eliminating hand strain and operator fatigue.

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DMC’s adapter tools are designed to hold connectors while backshell accessories are installed. Adapters are available for most military-qualified circular connectors, as well as many commercial connectors.


Adapters Tutorial

Banding Tools Tutorial

Torque Conversion Charts

I/R Tools Tutorial

Connector to Adapter Cross Reference 

Global Leader

For 70 years, DMC Tools are global leaders, consistently produces the most trusted products for high-reliability applications. We are proudly Veteran own in the USA.


Why trust someone other than a team built of experts in your field? DMC is built up of industry thought leaders, experts and engineers. 

Custom Fit

DMC can design and manufacture custom tooling right here in the USA for all your machining, engineering, support needs. Learn More by contacting us



“DMC Tools have been reliable for me personally for over 20 years. From intense military operations to corporate and commercial applications, the dependability and reliability is unmatched. If you need the job done right you grab DMC everytime. From the AFM8 to the HX4, I refuse to use anything else.”

Jesse Caldwell
Avionics Lead /Former Navy Avionics Electronics Technician, GAMA Aviation


“DMC Tools have been reliable for me personally for over 20 years. From intense military operations to corporate and commercial applications, the dependability and reliability is unmatched. If you need the job done right you grab DMC everytime. From the AFM8 to the HX4, I refuse to use anything else.”

Jesse Caldwell
Avionics Lead /Former Navy Avionics Electronics Technician, GAMA Aviation

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Commitment To Quality

At DMC our mission and vision guide us in providing the highest quality products and services. Our highly skilled team and organizational agility allow us to meet and exceed new and emerging needs of our clients. With more than 7 decades of experience manufacturing precision tooling for a variety of mission-critical applications, DMC has become synonymous with quality and integrity. From material procurement to machining and final inspection, DMC complies with national and international industry standards and requirements. Our certifications are proof of our unwavering promise to provide only the best.

FAR Compliance

FAR 52.204-25:Daniels Manufacturing Corporation does not and will not use/rely on/supply prohibited telecommunications and video surveillance services or equipment.
FAR 52.222-21: Daniels Manufacturing Corporation does not and will not maintain or provide segregated facilities for its employees.
FAR 52.222-25: Daniels Manufacturing Corporation has developed and has on file Affirmative Action Programs.
FAR 52.222-22 / FAR 52.222-26: Daniels Manufacturing Corporation has participated and has filed the necessary requirements subject to the Equal Opportunity Clause.
FAR 52.219-1:Daniels Manufacturing Corporation:
Is a small business concern
Is not a small disadvantaged concern
Is not a woman owned small business concern
Is a veteran owned small business concern
Is not a service-disabled veteran owned small business concern
Is not listed as a Hub-Zone small business concern.
FAR 52.209-5: Daniels Manufacturing Corporation is not presently debarred, suspended, proposed for debarment, or declared ineligible for award under Federal contracts.
FAR 52.222-50 Combating Trafficking in Persons: Daniels Manufacturing Corporation is compliant in accordance with this reference.
DFARS 252.225-7008 and 225.225-7009: Daniels Manufacturing Corporation is compliant in accordance with this reference.
FAR Compliance

GIDEP Safe-Alert

GIDEP (Government Industry Data Exchange Program) is a government run data exchange program comprised of members from both government and commercial organizations. The GIDEP Safe-Alert program provides a means of reporting “suspect counterfeit” parts and components. This cooperative activity between government and industry participants seeks to reduce or eliminate expenditures of resources by sharing technical information. Since 1959, over $2.1 BILLION in prevention of unplanned expenditures has been reported. On August 7, 2017, Daniels Manufacturing Corporation initiated a GIDEP Safe-Alert on several companies that supply copies of DMC’s Mil-Spec M22520 crimp tools. JRready, Iwiss, and Precise Tool were identified to be manufacturing and distributing non-qualified Mil-Spec M22520 tools. These tools could cause catostrophic damage as they do not meet the standards of M22520. Customers with these tools should alert Kevin Rickard,, or Steven Fagan at NAVAIR the Qualifying Activity (QA) for M22520 and Daniels Manufacturing Corporation. The following resources are available to help in identifying counterfeit/copies of Mil-Spec tools. (See Example. See Counterfeits.)


Daniels Manufacturing Corporation actively participates in the following industry associations. In doing so, we remain among the first to learn of new standards, trends, and developments. DMC also plays an integral role in providing training and subject matter expertise in ongoing dialogue. The following associations represent different segments of the industries we serve.

Army Aviation Association of America

The mission of the AAAA is to support the United States Army Aviation Soldier and Family. The AAAA was formed in 1957 by a small group of senior aviation officers in the active Army, the Reserve Forces of the U.S. Army and industry leaders. As an AAAA member, you will network in the Army Aviation Community through mentoring opportunities via AAAA Annual Summit, Symposia, and Chapter events. There are also programs for professional development from operations to training, including: doctrine, maintenance, acquisition and industry programs. Members can submit articles for publication in ARMY AVIATION, the official magazine for the AAAA. Members are also recognized for excellence by being submitted for, or nominating others for over 35 national awards like Soldier of the Year and Unit of the Year. The AAAA is sponsored by the Army Aviation Caucus of 56 Congressmen.

Aircraft Electronics Association

The mission of the Aircraft Electronics Association is to be a worldwide, self-sustaining organization committed to enhancing the profitability of its members. Founded in 1957, the Aircraft Electronics Association represents nearly 1,300 member companies in more than 40 countries, including government-certified international repair stations specializing in maintenance, repair and installation of avionics and electronic systems in general aviation aircraft. The AEA membership also includes manufacturers of avionics equipment, instrument repair facilities, instrument manufacturers, airframe manufacturers, test equipment manufacturers, major distributors, engineers and educational institutions.


The Aerospace Industries Association (AIA), founded in 1919, only a few years after the birth of flight, is the premier trade association representing major aerospace and defense manufacturers and suppliers in the United States. Based in Arlington, Va., AIA is led by a Board of Governors that meets twice a year and consists of senior representatives of member companies at the c-suite level, and an Executive Committee that meets more frequently. A hallmark of AIA is that it receives its policy guidance from the direct involvement of CEO-level officers of the country’s major aerospace and defense companies. The government frequently seeks advice from AIA on issues, and AIA provides a forum for government and industry representatives to exchange views and resolve problems on non-competitive matters related to the aerospace and defense industry. 

Helicopter Association International

For more than 60 years, HAI has provided support and services to its members and to the international helicopter community. Headquartered in Alexandria, Virginia, HAI members safely fly more than 5,000 helicopters some 2.3 million hours each year. The HAI is governed by a Board of Directors elected from the membership, with daily operations conducted by a dedicated professional staff. Since it was founded, the HAI has served its membership and taken many actions on behalf of helicopter operators throughout the world. The organization has benefited the entire industry, to include manufacturers, suppliers, operators, pilots and mechanics. The association’s initiatives have had a direct and positive impact on international helicopter activities.

Learn More About the PET Certification
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