Plastic Injection Molds

In-House Mold Builds

Our mold build area is staffed with experienced designers and machinists using the most modern software and CNC machinery. After all customer part designs are approved for manufacturing our team will design and build a robust trouble free injection mold for your production.

Quality Injection Mold Making

Receiving high-quality plastic parts starts with buying a quality built mold. We’ll work with you every step of the way to ensure you’re familiar with the different types of molds available, and we’ll make sure you’re informed before you buy.

Insert molds have a cavity side and core side insert that fit inside of a custom mold base here at MSI. They are a great way for us to offer customers economical tooling at very rapid lead times. The insert style design is great for small and medium size parts that require low quantity part orders or fast delivery of parts. Even though insert molds are low cost in basic design, they are made with the same high quality materials and components as free standing molds and provide the same high quality defect free parts.

  • Low cost
  • 2 to 10 day lead times​
  • Good for small parts
  • Good for 1 cavity molds and small order quantities

“Free standing” molds have a design and construction that is complete in nature. They are built to include the mold base, any inserts, and all components needed to be fully functional alone. In our industry they may also be called “stand alone” molds. A properly designed free standing mold will also be built for production inside any SPI standard injection molding machine that is sized properly for the mold. “Stand alone” molds will have the highest cost but are a good choice for multi-cavity production of high part quantities.

  • Higher cost
  • 1 to 8 week lead times
  • Good for parts that will not fit into insert molds
  • Good for multi-cavity molds to reduce part cost

To understand more about injection molding costs, please see our Blog page!

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