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Custom Machining Services Inc Precision Parts

Sterling Sintered Technologies delivers precision-engineered powder metal components with unmatched accuracy and quality. From miniature parts to complex assemblies, our ISO 9001:2015-certified facility combines decades of expertise with advanced multi-level compacting technology to manufacture cost-effective, near-net-shape solutions that reduce machining operations and deliver superior performance for your critical applications.

Precision machined metal components and powder metal parts on manufacturing workbench

Our Precision Machining Services

Complete powder metal fabrication and precision machining solutions for complex components and assemblies.

Powder Metal Fabrication

Custom fabrication of ferrous and non-ferrous powder metal parts from sub-gram to 500 grams, featuring complex geometries and high-density configurations using advanced compacting technology.

Design & Engineering

Expert design assistance for powder metal parts optimization, material selection, and cost-effective manufacturing approaches with concurrent part design support and sintered metal expertise.

Powder Metal Tooling

In-house design and manufacturing of precision tooling for powder metal parts, created by Journeyman Toolmakers with over 100 years of combined experience.

Secondary Processes

Comprehensive finishing services including heat treatment, machining, platings, coatings, vibratory finishing, and specialized processes like copper infiltration and vacuum sintering.

Prototyping

Sample part production for testing and validation before full production runs, enabling thorough evaluation of sintered metal components and design optimization.

Component Assembly

Professional assembly and subassembly services performed to ISO 9001:2015 standards, including kitting, labeling, and multi-location shipping capabilities to reduce production costs.

Near-Net Shape Solutions

Precision Engineering Meets Cost-Effective Manufacturing

Our advanced powder metal fabrication capabilities deliver precision components with minimal waste and reduced machining requirements. Using state-of-the-art multi-level compacting technology and decades of expertise, we manufacture complex geometries that meet exact specifications while maintaining competitive pricing for prototype through high-volume production runs.

Advanced powder metal compacting press manufacturing precision components
Trusted Since 1955

Success Stories

Delivering quality powder metal solutions across medical, industrial, and commercial applications.

"Working with Sterling Sintered has been a fantastic experience. Their expertise, dedication, and willingness to share knowledge have significantly contributed to the success of our collaboration, resulting in high-quality parts and a streamlined manufacturing process. We highly recommend Sterling Sintered for their professionalism and outstanding service."

Benjamin Rosenfeld
Benjamin Rosenfeld

"Friendly helpful people"

Steve 56 Hemi
Steve 56 Hemi

"My company has been working with Sterling Sintered Technologies since 1999, they have always been very professional and a pleasure to work with. Highly recommend."

Kevin Cyr
Kevin Cyr

"Working with Sterling Sintered has been a fantastic experience. Their expertise, dedication, and willingness to share knowledge have significantly contributed to the success of our collaboration, resulting in high-quality parts and a streamlined manufacturing process. We highly recommend Sterling Sintered for their professionalism and outstanding service."

Benjamin Rosenfeld
Benjamin Rosenfeld

"Friendly helpful people"

Steve 56 Hemi
Steve 56 Hemi

"My company has been working with Sterling Sintered Technologies since 1999, they have always been very professional and a pleasure to work with. Highly recommend."

Kevin Cyr
Kevin Cyr

"Working with Sterling Sintered has been a fantastic experience. Their expertise, dedication, and willingness to share knowledge have significantly contributed to the success of our collaboration, resulting in high-quality parts and a streamlined manufacturing process. We highly recommend Sterling Sintered for their professionalism and outstanding service."

Benjamin Rosenfeld
Benjamin Rosenfeld

"Friendly helpful people"

Steve 56 Hemi
Steve 56 Hemi

"My company has been working with Sterling Sintered Technologies since 1999, they have always been very professional and a pleasure to work with. Highly recommend."

Kevin Cyr
Kevin Cyr
The Sterling Difference

Why Choose Sterling Sintered Technologies?

Experience the difference that comes from over six decades of powder metal expertise.

ISO Certified

ISO 9001:2015 certified manufacturing ensures consistent quality and reliability.

In-House Tooling

Complete tool design and fabrication capabilities with experienced Journeyman Toolmakers.

Advanced Technology

Multi-level compacting presses create complex geometries with near-net-shape precision.

Scalable Production

From 500 prototype parts to 500,000 weekly production with Kanban inventory management.

Meet The Sterling Team

Decades of powder metal expertise and craftsmanship.

Established in 1955 as a family-owned business in Winsted, Connecticut, Sterling Sintered Technologies has grown to become a premier manufacturer of quality powdered metal parts. Our commitment to excellence spans over six decades, serving diverse industries including medical, plumbing, lock hardware, power tools, firearms, appliances, and lawn and garden equipment. Located in the heart of Connecticut's manufacturing corridor, we've built our reputation on precision engineering, customer service, and innovative powder metal solutions. Our team combines traditional craftsmanship with cutting-edge technology, ensuring every component meets the highest standards. From our Winsted facility, we've maintained our founding principles of quality and customer satisfaction while continuously advancing our capabilities to meet evolving market demands.

500,000Parts per week capacity
65+ YearsIn powder metal manufacturing
24+ PressesAdvanced compacting equipment

Frequently Asked Questions

What materials can you work with for powder metal fabrication?

We work with ferrous powder metals (straight iron and steel alloys to 7.4 g/cc), stainless steel powder metals (300 & 400 series to 7.4 g/cc), and non-ferrous powder metals including brass, bronze, nickel silver to 8.3 g/cc, and heavy hybrids up to 16.4 g/cc density.

What size parts can you manufacture?

Do you provide design assistance for powder metal parts?

What secondary processes do you offer?

What is your minimum order quantity?

Are you ISO certified?

Do you manufacture your own tooling?

What industries do you serve?

Need Technical Specifications?

Our engineering team is ready to discuss your powder metal requirements.

Certified & Accredited

Awards and Recognition

ISO 9001:2015 certification logo

ISO 9001:2015

Quality management system certification

ANAB accreditation logo

ANAB Accredited

National accreditation board recognition

NIST membership logo

NIST Member

National Institute of Standards member

Ready to Start Your Precision Machining Project?

Contact us for expert consultation and competitive quotes on your powder metal fabrication needs.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (860) 379-2753 You can also send us a quick email at sales@sterlingsintered.com