---
product_id: 243050731
title: "NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (4 x 5, 10N)"
brand: "nacx"
price: "10620CFA"
currency: XOF
in_stock: true
reviews_count: 8
category: "Nacx"
url: https://www.desertcart.sn/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-4
store_origin: SN
region: Senegal
---

# 4mm diameter precision 304 stainless steel durability 10N spring force reliability NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (4 x 5, 10N)

**Brand:** nacx
**Price:** 10620CFA
**Availability:** ✅ In Stock

## Summary

> ⚙️ Snap into precision — the small part making a big impact!

## Quick Answers

- **What is this?** NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (4 x 5, 10N) by nacx
- **How much does it cost?** 10620CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-4)

## 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

- • **Premium Durability:** Crafted from corrosion-resistant 304 stainless steel for long-lasting performance
- • **Reliable Positioning:** Delivers consistent 10N spring force for accurate indexing and locking
- • **Precision Engineering:** Compact 4x5mm size fits tight mechanical tolerances
- • **Versatile Application:** Ideal for mechanical equipment, molds, clamps, and automated machinery
- • **Effortless Installation:** Press-fit design enables quick, tool-free fastening

## Overview

The NACX Ball Plunger 20-piece set features compact 4x5mm stainless steel plungers with a 10N spring force, engineered for precise positioning and reliable locking in mechanical and automated equipment. Its polished finish and easy press-fit installation make it a must-have for professionals demanding durability and accuracy in small-scale applications.

## Description

Specification: Product Name: Ball Plunger Body Diameter: 4mm/0.157” Body Length: 5mm/0.196” Ball Diameter: 3mm/0.118” 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: 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.
Review: Good tolerance. - Exactly as described.

## Features

- Product Name: ball plunger; Package Content: 20pcs of ball plunger
- Body Diameter: 4mm/0.157”; Body Length: 5mm/0.196”; 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 | B07THRN5GH |
| Best Sellers Rank | #68,770 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1 in Metalworking Ball Nose Spring Plungers |
| Brand | NACX |
| Color | Silver Tone |
| Compatible Groove Diameter | 4 Millimeters |
| Customer Reviews | 4.4 out of 5 stars 84 Reviews |
| Fastener Type | Spring |
| Finish Type | Polished |
| Finish Types | Polished |
| Item Diameter | 4 Millimeters |
| Manufacturer | NACX |
| Model | 77-79 |
| Number of Pieces | 20 |
| Part Number | 77-79 |
| Pin Type | Spring |
| Pin type | Spring |
| Screw Head Style | Ball |
| Set Name | 20-Piece Set |
| Size | 4x5（10N） |
| Size Name | 4x5（10N） |

## Product Details

- **Brand:** NACX
- **Color:** Silver Tone
- **Item Diameter:** 4 Millimeters
- **Pin type:** Spring
- **Size:** 4x5（10N）

## Images

![NACX Ball Plunger, Ball Detent, Spring Plunger Screw, 20Pcs (4 x 5, 10N) - Image 1](https://m.media-amazon.com/images/I/61P9t9Lt8HL.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

### ⭐⭐⭐⭐⭐ Works great for small projects.
*by K***O on March 25, 2026*

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.

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

Exactly as described.

### ⭐⭐⭐⭐⭐ Great
*by J***Y on April 15, 2026*

I use these everyday for one of my products. Never had a problem. Consistent sizes.

## 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.sn/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-4](https://www.desertcart.sn/products/243050731-nacx-ball-plunger-ball-detent-spring-plunger-screw-20pcs-4)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-09*