---
product_id: 243050731
title: "NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N)"
brand: "nacx"
price: "€ 20.75"
currency: EUR
in_stock: true
reviews_count: 8
category: "Nacx"
url: https://www.desertcart.hr/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3
store_origin: HR
region: Croatia
---

# 20-piece bulk pack 304 stainless steel durability 3mm precision diameter NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N)

**Brand:** nacx
**Price:** € 20.75
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in precision, unlock your project’s potential!

## Quick Answers

- **What is this?** NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N) by nacx
- **How much does it cost?** € 20.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3)

## Best For

- nacx enthusiasts

## Why This Product

- Trusted nacx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile Application Spectrum:** Ideal for clamps, molds, automatic machinery, and even 3D printed parts needing secure latching.
- • **Bulk Pack for Continuous Projects:** 20 high-quality plungers per pack to keep your workflow uninterrupted.
- • **Premium 304 Stainless Steel Build:** Corrosion-resistant polished finish guarantees long-lasting reliability under pressure.
- • **Precision Engineering for Seamless Fit:** 3mm body diameter and 4mm length ensure exact positioning in mechanical assemblies.
- • **Effortless Installation & Secure Locking:** Simply press in for fast, reliable fastening and accurate indexing every time.

## Overview

The NACX Ball Plunger set includes 20 precision-engineered plungers with a 3mm diameter and 4mm length, crafted from durable 304 stainless steel. Designed for accurate positioning, locking, and indexing, these polished spring plungers are perfect for mechanical equipment, molds, clamps, and even 3D printing applications, delivering reliable performance and easy installation for professional-grade results.

## Description

Specification: Product Name: Ball Plunger Body Diameter: 3mm/0.118” Body Length: 4mm/0.157” Ball Diameter: 2.38mm/0.093” Color: Silver Tone Material: 304 Stainless Steel Function: Ball plunger is used for fixing point, fixed indexing, positioning, grading, locking, locking, latching, ejecting, lifting. Package Included: 20 x Ball Plungers

Review: 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.
Review: Good tolerance. - Exactly as described.

## Features

- Product Name: ball plunger; Package Content: 20pcs of ball plunger
- Body Diameter: 3mm/0.118”; Body Length: 4mm/0.157”; Material: 304 stainless steel
- Easy to Use: easy to install and convenient to use, just press it in for fastening.
- Main Features: they are important components for providing pressure and accurate positioning.
- Application: widely used in mechanical equipment, clamps, molds, automatic machinery.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TGGBM2L |
| Best Sellers Rank | #92,153 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Metalworking Ball Nose Spring Plungers |
| Brand | NACX |
| Color | Silver |
| Customer Reviews | 4.3 out of 5 stars 81 Reviews |
| Fastener Type | Plunger |
| Finish Type | Polished |
| Finish Types | Polished |
| Item Diameter | 3 millimeters |
| Manufacturer | NACX |
| Model | 77-79 |
| Number Of Items | 20 |
| Number of Pieces | 20 |
| Outside Diameter | 3 millimeters |
| Part Number | 77-79 |
| Pin Type | Spring |
| Pin type | Spring |
| Screw Head Style | Ball |
| Size | 3mm x 4mm |
| Size Name | 3mm x 4mm |
| Unit Count | 20 Count |

## Product Details

- **Brand:** NACX
- **Color:** Silver Tone
- **Item Diameter:** 4 Millimeters
- **Pin type:** Spring
- **Size:** D4x5

## Images

![NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N) - Image 1](https://m.media-amazon.com/images/I/81aAb+W5zIL.jpg)
![NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N) - Image 2](https://m.media-amazon.com/images/I/51BOTbwsERL.jpg)
![NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N) - Image 3](https://m.media-amazon.com/images/I/51vVkHK6PoL.jpg)
![NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N) - Image 4](https://m.media-amazon.com/images/I/61n+TNPT6yL.jpg)
![NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N) - Image 5](https://m.media-amazon.com/images/I/512mt5jAFaL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: do any of your ball plunger offer air tight seal between the ball and housing?**
A: It seems that there is no.

**Q: When will 10x13 size be available again? No longer listed.**
A: Because global shipping is very busy nowadays. It is estimated that it will take nearly a month to replenish it.

**Q: what are the dimensions for the 2x3 ball plungers?**
A: I purchased a different size than you are asking about, but the product description for the 2x3 says 
Body Diameter: 2mm/0.078”
Body Length: 3mm/0.118”
Ball Diameter: 1.5mm/0.059”

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for 3D printing
*by O***R on December 1, 2024*

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.

### ⭐⭐⭐⭐⭐ Good tolerance.
*by T***R on October 5, 2025*

Exactly as described.

### ⭐⭐⭐⭐ Pleased with everything.
*by P***. on March 18, 2026*

Unfortunately the ball plungers were not the correct size. I returned them in the unopened package as I could tell that they were to small. The return process was very easy. Thank you for the rapid refund.

## Frequently Bought Together

- NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (4 x 5, 10N)
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**Shop now:** [https://www.desertcart.hr/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3](https://www.desertcart.hr/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-08-18*