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Snap Together Enclosures

Snap together cases provide a quick and convenient plastic utility box solution for electronics. Browse small to medium-sized snap-fit utility boxes for indoor applications. Made from impact-resistant ABS, the durable all-plastic design is ideal for those seeking metal-free applications to prevent interference.

The snap-together fit ensures easy, toolless assembly. Designed to hold small PCBs, the cases are also useful as a potting box. Read more below to learn about snap-fit enclosures and Polycase’s snap enclosure offerings.

How Does a Snap Fit Enclosure Work?

Indoor electronics applications often require enclosures that are easy to assemble, cost-effective and provide reliable protection. Snap-together enclosures offer all of these qualities, which is why they’re popular as general-purpose indoor electronics enclosures and potting boxes.

The mechanics of a snap-fit enclosure are simple. Each enclosure is built with molded snap-fit joints that allow the box’s lid to snap onto its base. Assembly is simple, fast and clean. Just connect the snap inserts on the base and lid to create a secure hold, with no tools, glue or fasteners required.

Snap-fit enclosures can have other benefits as well. A snap-fit assembly eliminates the need for metal fasteners in the enclosure, which can help reduce the chance of interference with the electrical components inside. In addition, many snap-on designs make the enclosure simple to open when access to the components is required.

Finally, snap-fit enclosures are a common choice for potting boxes, since many potting boxes require a lid that’s easy to attach. Rather than a potting box with a glue-on lid, some device builders opt for the simplicity of a snap-fit enclosure. See our guide to choosing a potting box for more information.

Snap Together Enclosures from Polycase

Whether you’re building a DIY electronics project or a consumer device, using a snap-fit case can be an excellent option. Polycase’s selection of snap-fit enclosures offers a full range of tough and affordable ABS boxes built to protect your electronics.

Our enclosures’ snap-fit design also offers a convenient method for mounting a printed circuit board. Simply position your PCB over the enclosure’s mounting boss standoffs and then snap the pieces of the enclosure together, capturing the circuit board and providing a secure hold.

In addition to our popular general-purpose snap-together models, we offer snap-fit enclosures with form factors for specific applications, including key fob and thumb drive enclosures. Some models offer even more features, including optional buttons on our key fob enclosure models.

Here, you’ll find our full selection of snap-together enclosures, including key fob enclosures and other specialty models. Need to customize your enclosure with cutouts for connectors or printed text and images? We also provide in-house CNC machining and digital printing, with instant quotes available now.

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  1. SN-20
    As low as $2.29 per unit
    1.97 x 1.38 x 0.87 in.
    50 x 35 x 22 mm.
    Material: ABS
  2. SN-20-00
    As low as $2.29 per unit
    1.97 x 1.38 x 0.87 in.
    50 x 35 x 22 mm.
    Material: ABS
  3. SN-21
    As low as $2.38 per unit
    1.97 x 1.97 x 0.67 in.
    50 x 50 x 17 mm.
    Material: ABS
  4. SN-21-00
    As low as $2.38 per unit
    1.97 x 1.97 x 0.67 in.
    50 x 50 x 17 mm.
    Material: ABS
  5. SN-22
    As low as $2.96 per unit
    1.97 x 1.97 x 1.06 in.
    50 x 50 x 27 mm.
    Material: ABS
  6. SN-22-00
    As low as $2.96 per unit
    1.97 x 1.97 x 1.06 in.
    50 x 50 x 27 mm.
    Material: ABS
  7. FB-40
    As low as $1.49 per unit
    2.10 x 1.30 x 0.58 in.
    53 x 33 x 15 mm.
    Material: ABS
  8. FB-25
    As low as $1.84 per unit
    2.23 x 1.35 x 0.38 in.
    57 x 34 x 10 mm.
    Material: ABS
  9. FB-45
    As low as $1.12 per unit
    2.75 x 1.37 x 0.69 in.
    70 x 35 x 18 mm.
    Material: ABS
  10. SN-23
    As low as $3.06 per unit
    2.76 x 1.97 x 0.67 in.
    70 x 50 x 17 mm.
    Material: ABS
  11. SN-23-00
    As low as $3.06 per unit
    2.76 x 1.97 x 0.67 in.
    70 x 50 x 17 mm.
    Material: ABS
  12. electronic enclosure with graphics

    Take your enclosure from plain to powerful

    with CNC machining and digital printing services from Polycase

    Learn More
  13. SN-24
    As low as $3.22 per unit
    2.76 x 1.97 x 1.16 in.
    70 x 50 x 29 mm.
    Material: ABS
  14. SN-24-00
    As low as $3.22 per unit
    2.76 x 1.97 x 1.16 in.
    70 x 50 x 29 mm.
    Material: ABS
  15. SN-25
    As low as $3.64 per unit
    2.76 x 1.97 x 1.65 in.
    70 x 50 x 42 mm.
    Material: ABS
  16. SN-25-00
    As low as $3.64 per unit
    2.76 x 1.97 x 1.65 in.
    70 x 50 x 42 mm.
    Material: ABS
  17. USB-31
    As low as $1.40 per unit
    2.79 x 0.90 x 0.35 in.
    71 x 23 x 9 mm.
    Material: Polycarbonate, ABS
  18. SN-30
    As low as $4.16 per unit
    3.15 x 3.15 x 0.93 in.
    80 x 80 x 24 mm.
    Material: ABS
  19. SN-30-00
    As low as $4.16 per unit
    3.15 x 3.15 x 0.93 in.
    80 x 80 x 24 mm.
    Material: ABS
  20. SN-31
    As low as $4.67 per unit
    3.15 x 3.15 x 1.71 in.
    80 x 80 x 43 mm.
    Material: ABS
  21. SN-31-00
    As low as $4.67 per unit
    3.15 x 3.15 x 1.71 in.
    80 x 80 x 43 mm.
    Material: ABS
  22. SN-26
    As low as $3.06 per unit
    3.54 x 1.77 x 1.08 in.
    90 x 45 x 27 mm.
    Material: ABS
  23. SN-26-00
    As low as $3.06 per unit
    3.54 x 1.77 x 1.08 in.
    90 x 45 x 27 mm.
    Material: ABS
  24. electronic enclosure with graphics

    Take your enclosure from plain to powerful

    with CNC machining and digital printing services from Polycase

    Learn More

28 Items

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indoor enclosure for electronics with graphics and machining

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CNC Machining

Save time and money with CNC machining services. Guaranteed accuracy, no scrap and 1-3 week lead times. It's that simple.
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Digital Printing

Skip the label. Take your product to the next level with vibrant one-of-a-kind graphics printed directly on the enclosure.
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