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Putnam Precision Molding

A leader in custom injection molding of engineering and high performance thermoplastic components and stock shapes.

Putnam Precision Molding specializes in injection molding of high performance engineered resins and mechanical drive components. Our Plastock Line of mechanical drive components includes: timing belt pulleys, roller chain, roller chain sprockets, spur gears and conveyor chain. Our engineering department has many years of experience in mold design and construction as well as material selection. It is of primary importance and concern that products manufactured in our facility, bearing the Putnam Precision Molding name meet or exceed our customer's expectations in every instance. In addition to molding we offer a number of value added services. By making these services available we can be your single source supplier saving valuable time and money by purchasing, stocking, performing secondary operations and sub/final assembly.


Ensinger Putnam has an extensive line of stock shape tooling. This allows us to provide injection molded samples for machining prototypes so an accurate comparison can be made to a finish molded product. It is our goal to work with our customers from part inception through production. In this was we can provide our customers with tooling design advice as well assistance with material choice. PPM along with our many partners can provide a working prototype at a minimal cost prior to investment in tooling.


  • Industrial
  • Aerospace/Defense
  • Medical
  • Business Equipment
  • Oil Field and Energy
  • Fluid Handling and Sealing
  • Friction and Wear
  • Semiconductor
  • Food Processing


  • Design for Manufacturing Services
  • Moldflow Analysis
  • Part Design Analysis
  • Material Selection Analysis
  • Solidworks
  • File Formats: igs, dxf, dwg, prt, stp, stl, parasolid
  • Internal Tool Design
  • Advanced Process Engineering

Our engineering support team is at your service for demanding or unusual applications in the design of the injection molds and regarding the selection of engineering or high performance thermoplastic materials. Understanding the interrelationship between material characteristics, tool design and the effects of the manufacturing process is essential for a successful application.

Putnam Precision Molding has met many unique design and manufacturing problems over the years, many resulting in proprietary solutions. The most important results, though have been in the marketplace, where a proprietary solution often gives you the customer a competitive advantage.

  • 26 Injection Molding Machines from 40 to 500 Tons
  • Hydraulic and Electric Hybrids
  • .5 oz. to 80 oz. Shot Capacity
  • Vertical Insert Molding
  • Fully Insured, Temperature and Humidity Controlled Mold Vault
  • Sprue Pickers and Custom Automation
  • Process Validation and Contro

Ensinger Putnam offers a wide range of value added services. It is our goal to provide our customers with a product that is ready for use upon receipt.

Finish Machining of "Near Net" Shapes, Component Assembly Services, Drilling, Tapping, Sonic Welding, Annealing, Bar Coding, Boring, Broaching, Decorating, Heat Staking, Insert molding, Labeling, Metal Insertion, and Over-molding.

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