Precision Screw Machine Products

The John Gillen Company is capable of manufacturing Precision-Machined Products for critical applications serving the most demanding and challenging industries.


Precision Screw Machining & CNC Machined Products

We pride ourselves in producing products that give our customers exceptional performance and a proven track record. Should your parts require secondary operations (i.e. Knurling, Broaching, Milling, Grinding – Surface and Centerless, Punching, Shearing and De-burring), know that we have the knowledge, experience and craftsmanship to deliver these services. If parts require Special Processes to complete (i.e. Heat Treatment, Metal Finishing – Plating, Coating, Shot Peening), our Accredited & Approved Suppliers are also capable of delivering parts according to your performance specifications and requirements.

Product Galleries


Precision Screw Machine Products


Shafts, Pins, & Bars


Machine Keys


Our Capabilities

Since John Gillen Company began in 1920, Gillen has experienced significant business operation changes, as our product lines and manufacturing capabilities have grown. Over the years, our Team of Professionals, Skilled Machinists and Craftsmen have designed and developed manufacturing processes that now produce the highest quality machined products for some of the most critical applications, serving many diverse industries. We pride ourselves on delivering products and services that not only meet customer’s requirements, but rather exceed their expectations. Should your parts require secondary operations, know that we can offer Knurling, Broaching, Milling, Grinding (Surface and Centerless), Punching, Shearing and De-burring. If your parts require Special Processes (i.e. Heat Treat, Plating, Coating, Shot Peen or Testing) our Third Party Accredited Suppliers and Laboratories are also capable of meeting your Special Performance Specifications and Requirements.

Service Better Than The Rest… Service Better Than the Best

There are no compromises when it comes to our customer’s success. At John Gillen, Customer Support Service is more than just a necessity, it is a pleasure.

  • TS 16949:2002
  • ISO 9001:2000 Compliant
  • ASME Section III Preferred Supplier
  • Certified Supplier Parts Certification

Contact Us

1 Step 1
Nameyour full name
Phonephone number
MessageLeave a message
0 /