Tri-Star Industries, Inc.

Tri-Star Industries, Inc. is a manufacturer of threaded inserts for plastics and high-volume precision machined products. We offer a full line of brass inserts for all methods of installation, including ultrasonic, heat, thermal, press-in and mold-in. We stock large inventories of the most popular styles of brass inserts, symmetrical inserts and studs. Most orders for stock items are shipped the same day. 


Our threaded inserts start at 0-80 for inch threads and M1.6 for metric threads. Although our standard line is brass, we also stock stainless steel inserts in many styles and sizes. In addition, we have the expertise to custom design and produce threaded inserts for a variety of applications, with a low minimum order quantity required. Other services include insert testing, as well as assistance with technical and installation questions. 


Tri-Star Industries_x0092_ H Series tapered threaded inserts for plastics outperform all competitive ones for ultrasonic and thermal installation into thermoplastic More... or structural foam. Our proprietary _x0093_knuckle knurl_x0094_ ensures a more uniform flow of material into the diagonal knurls and undercuts, resulting in a complete fill, reducing installation time and increasing holding strengths. 


 Designed for straight holes in brittle plastics, our C Series chevron threaded inserts add considerable strength. A lead-in pilot diameter assures true perpendicular alignment, and little or no stress is applied to the walls of the molded holes. The C Series are our most popular brass inserts, offering the most overall length choices.


 S Series symmetrical threaded inserts can be quickly installed either end first, using ultrasonic or thermal equipment. By decreasing outward hoop stress these inserts decrease cycle times and lower costs.


 We produce two types of threaded studs for plastics: the SH, modeled after our H Series inserts, and the SC Series, modeled after our C Series inserts. Threaded studs are commonly used to fulfill specific design functions; to function as electrical contacts; to replace self-tapping or removable screws; or to lower production costs. 


 Another phase of Tri-Star Industries_x0092_ business is the production of precision machined parts. Our Davenport machine capabilities range from thread rolling, thread cutting, slotting and knurling to tapping, reaming, countersinking, counterboring and more.


 Tri-Star Industries is registered to ISO 9001, and Statistical Process Control is an integral part of our manufacturing process. To ensure the best possible price for every order, we offer blanket order programs, cumulative pricing plans and low minimums. Our on-time delivery, competitive pricing and commitment to quality have earned us hundreds of satisfied customers in the automotive (and automotive aftermarket), computer, communications, electronics, medical and military industries.

Carolina Precision Technologies

Springfield Spring

Established in 1942, Springfield Spring Corporation is ISO 13485 and 9001 registered. We are a diversified manufacturer of precision engineered mechanical spring components, with over 75 years of experience. Some of these industries served include firearms, military hardware, medical devices, surgical instruments, elevators, timing devices, lighting, windows, screen and more. The firearms and medical industry both have a "Zero Tolerance" policy for component failure which is why "Quality" is one of the most important attributes we offer to all industries we serve. We have three plant locations: East Longmeadow, MA, and Bristol, CT.


We offer turn-key assembly to help our customers reduce cost and optimize "value-stream" supply-chains. This value-added service helps our customers reduce internal assembly resources and the need to coordinate multiple supply-chain vendors.


We are passionately committed to listening to our customer needs and easing their pain. This is achieved by "THE SPRINGFIELD More... SPRING EXPERIENCE"


 A commitment to the creation of a strategic and long-term relationship with our customers.


 - We will..... consistently deliver high-quality components.


 - We will..... deliver "solutions" - not ideas.


 - We will..... be adaptive (fast and flexible).


 - We will..... meet or exceed the expectations of our customers.


 - We will..... earn our customers' trust.... every day.


 - We will..... listen to our customers.


 - We will..... deliver exceptional customer service - unlike anything they've ever experienced.


 - We will..... help our customers bring their products to the global market place, improve their bottom lines, reduce their inventories, minimize mistakes, expedite the flow of information and create efficient systems to support these objectives.

Oberg Industries, LLC

Oberg is a privately held, vertically integrated contract manufacturer and supply chain integrator providing tooling/metal stamping and precision machining services to many well-known companies around the world. We excel in key markets by successfully delivering customized advanced manufacturing solutions for our customers with:


- Nearly 700 skilled employees across five advanced manufacturing facilities


- 450,000+ sq. ft. of manufacturing space


- $50 million in capital/equipment investments over last 5 years


- 5 U.S.-based manufacturing facilities with rapid access to capital


- ISO 9001:2015, ISO 13485:2016 and AS 9100 Rev. D certified, ITAR and FDA registered

Floyd Manufacturing Co., Inc.

J. F. Fredericks Tool Co., Inc

Grace Machine Co.

Nelson Precision Drilling Co., Inc.

About Nelson Precision Drilling Co., Inc. from http://www.nelsondrilling.com


Established in 1971, Nelson Precision Drilling Co. gundrills stainless steel and alloys including hi-temp NI with accuracy and consistent quality to meet your specifications exactly. We have toolroom capabilities and provide a fixturing service for special workholding needs. We also carry a complete line of letter, number and fractional carbide-tipped gundrills.

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Suppliers with ISO 9001 Certification for Aerospace and Medical Equipment located in (Connecticut, United States)

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