---
product_id: 206484855
title: "NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (3 x 4, 10N)"
brand: "nacx"
price: "137.91 DT"
currency: TND
in_stock: true
reviews_count: 8
url: https://www.desertcart.tn/products/206484855-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3
store_origin: TN
region: Tunisia
---

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

**Brand:** nacx
**Price:** 137.91 DT
**Availability:** ✅ In Stock

## Summary

> 🔧 Lock in precision, unlock your 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?** 137.91 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/206484855-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

- • **Trusted by Pros, Loved by Makers:** Top-rated in metalworking plungers with 4.4 stars, delivering consistent tolerance and dependable locking every time.
- • **Bulk Pack of 20 for Maximum Value:** Keep your projects moving with a generous 20-piece set, ideal for multiple applications or replacements.
- • **Premium 304 Stainless Steel Build:** Corrosion-resistant polished finish guarantees long-lasting strength and professional-grade performance.
- • **Effortless Installation & Versatile Use:** Simply press in for secure fastening—perfect for clamps, molds, automatic machinery, and even 3D printed parts.
- • **Precision Engineering for Perfect Positioning:** 3mm body diameter and 4mm length ensure exact fit and reliable indexing in your mechanical setups.

## Overview

The NACX Ball Plunger set includes 20 high-quality 3mm x 4mm spring plungers crafted from polished 304 stainless steel. Designed for precise positioning, locking, and indexing in mechanical equipment, molds, and automated machinery, these durable plungers offer easy press-in installation and reliable performance favored by professionals and makers alike.

## 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 | #71,496 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Metalworking Ball Nose Spring Plungers |
| Brand | NACX |
| Color | Silver |
| Customer Reviews | 4.4 out of 5 stars 83 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
- **Item Diameter:** 3 millimeters
- **Pin type:** Spring
- **Size:** 3mm x 4mm

## 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.

## 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 (3 x 4, 10N)
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**Shop now:** [https://www.desertcart.tn/products/206484855-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3](https://www.desertcart.tn/products/206484855-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-3)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-08-14*