Made in the USA

Discover the M.A.S. Products difference

Swiss CNC

Precision machining

Multi-Spindle Machining

Cost effective high volumes

Jen Fab

State-of-the-art cleaning solutions

Standard or Custom

Ready to produce your rotational molding inserts

In Stock!

Over 2 Million Inserts

What’s New

Our latest investments in technology to serve you better

Jen Fab parts cleaning at MAS Inserts


State-of-the-art parts cleaning for the highest quality products

CINCOM-A20 MAS Inserts


Citizen CINCOM A20
Learn more

Miyano-BNA-42S interior


Citizen Miyano BNA-42S2
Learn more

In Stock

Over 2 million parts. Start browsing our products!

Custom Parts

Ready and to manufacture to your specs. Contact us.

Our Company

An industry leader for over 30 years. Learn more.

Made In the USA

Quality you can trust. Friendly customer service.

All of our Brass Inserts, Aluminum Inserts, Steel and Stainless Steel machined inserts, and Zinc Plated Inserts are made in the USA at our facility in Elkhart, Indiana.  We believe “Made in America” still stands for something. Learn more about our company.

Contact Us

Get your quote. We offer custom inserts and a full line of standard inserts. Many are shipped same day!

13 + 7 =