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๐ง Small Size, Big Impact โ Master precision with every click!
This 20-piece set of 3mm x 4mm ball plungers is made from premium 304 stainless steel, offering corrosion resistance and durability. Designed for precise positioning and locking in mechanical assemblies, molds, clamps, and 3D printed parts, these spring-loaded plungers provide reliable pressure and easy installation. Perfect for professionals seeking consistent accuracy and bulk supply for ongoing projects.































| ASIN | B07TGGBM2L |
| Best Sellers Rank | #281,849 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2,500 in Coffee, Tea & Espresso |
| Brand | NACX |
| Colour | Silver Tone |
| Customer Reviews | 4.4 out of 5 stars 85 Reviews |
| Fastener Type | Plunger |
| Finish Types | Silver |
| Item Diameter | 3 Millimetres |
| Manufacturer | NACX |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | 77-79 |
| Number Of Items | 20 |
| Number of Pieces | 20 |
| Outside Diameter | 3 Millimetres |
| Part Number | 77-79 |
| Pin Type | Spring |
| Pin type | Spring |
| Screw Head Style | Ball |
| Size | 3mm x 4mm |
| Size Name | 3mm x 4mm |
O**R
Great for 3D printing
These work well for 3D printed parts such as slide latch lids. The prints do need to be thick enough to support these tiny parts so they don't punch through the plastic.
C**Z
High quality Ball Spring Plunger!
I picked up the 2x3mm one for a case project I'm working on. I'm actually surprised how well these work given the size of it. How is that even possible?! I give this 10/10.
K**O
Works great for small projects.
I used these on a project I was building to allow me to snap 3d printed parts in and out without screws or nuts. These are quite small, which is what I needed for my project. Just be sure the size will work for your application. Not suitable for large cabinet doors.
T**R
Good tolerance.
Exactly as described.
Z**G
Tiny
Way smaller than I thought they were but they work as intended
Trustpilot
2 weeks ago
2 months ago