Partners and Affiliations


EZ-LOK™ Thread Inserts provide strong threads in metal, plastic, and wood. All install without the need for special tap sizes or installation tools, and have standard size and pitch to permit the use of standard drills and taps.


The National Tooling and Machining Association (NTMA) is the national representative of the custom precision manufacturing industry in the United States. For the most part, NTMA members are small businesses, yet the industry generates sales in excess of $25 Billion per year. Out of approximately 14,000 companies that make up the contract tooling and machining industry, 2,600 are members of NTMA, the only national organization representing the industry. NTMA members are organized into 52 local federated chapters and tool centers throughout the country.


The Los Angeles NTMA is an affiliate of the National Tooling & Machining Association. The National Tooling & Machining Association (NTMA) is a nationwide, non-profit trade association of approximately 2,000 companies engaged in precision custom manufacturing including contract machining, tool & die making, mold building and building of special purpose machines for all industries. The Los Angeles Chapter is the largest chapter in the nation with over 140 members. They celebrated the chapter’s 50th anniversary in 2001.

National Association of Manufacturers

Manufacturers—and all Americans—need a vision that advances the principles of free enterprise, competitiveness, individual liberty and equal opportunity and thereby empowers manufacturing. The goals laid out in NAM’s Manufacturing Vision do just that.



The National Fluid Power Association (NFPA) is an American 501©6 industry trade association, founded in 1953. Members include more than 315 manufacturers of fluid power systems and components, fluid power distributors, suppliers to the fluid power industry, educators and researchers. NFPA’s mission is to serve as a forum where all fluid power channel partners work together to advance fluid power technology, strengthen the fluid power industry, and foster members’ success.

California Manufacturers & Technology Association

The California Manufacturers & Technology Association works to improve and enhance a strong business climate for California’s 30,000 manufacturing, processing and technology based companies.


Boston Centerless

Since 1958, Boston Centerless has cultivated and applied the knowledge and expertise in grinding technology of round bars and mechanical components to provide the most precise tolerances in the industry. A state-of-the-art facility maximizes efficiency and ensures quality and consistency. Boston Centerless serves the aerospace, automotive, and medical industries.
Boston Centerless AccuRod Division:
One-stop raw materials and grinding capabilities
Boston Centerless GrindAll Division:
Grinding services for customer furnished materials or parts


AccuRounds manufactures precision custom cylindrical components. They produce intricate shafts and pins of all types and sizes. Their dedication to supplying a high quality part each and every time has won them the approval of customers worldwide.

Raptor Workholding Products

Raptor Dovetail Fixtures are made to hold parts on four and five-axis CNC machines. The fixtures provide rigid clamping while exposing five faces of the workpiece.  TCI Precision Metals offers custom Dovetail Machine-Ready Blanks that support all Raptor Dovetail Fixtures.



Now you can get TCI quality with McMaster-Carr service. McMaster-Carr carries an extensive line of TCI premachined blanks, in stock and ready to ship the same day. Visit the McMaster-Carr website and key in “Premachined Blanks” in the search field.


TCI Precision Metals is a warehouse distributor of Alcoa aluminum sheet, plate, rod, bar, and extrusion.


TCI Precision Metals is a warehouse distributor of Hulamin aluminum plate.


TCI has been certified to AS9100 and ISO9001 through QMI.

United Way

Through a vast network of volunteers and community service agencies, the United Way helps meet the health and human-care needs of millions of people every day throughout America. United Way’s 110-year history is built on the proven effectiveness of local organizations helping people in their own communities. TCI Precision Metals is an active contributor to the United Way’s cause.

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