---
product_id: 429968709
title: "Suction Cup"
brand: "jqdml"
price: "€ 44.66"
currency: EUR
in_stock: null
reviews_count: 8
category: "Jqdml"
url: https://www.desertcart.at/products/429968709-suction-cup
store_origin: AT
region: Austria
---

# 3.94 inch Suction Diameter M8 Thread Precision Durable Zinc-Plated Alloy Suction Cup

**Brand:** jqdml
**Price:** € 44.66
**Availability:** ❌ Out of Stock

## Summary

> 🔧 Elevate your actuator game with precision and power!

## Quick Answers

- **What is this?** Suction Cup by jqdml
- **How much does it cost?** € 44.66 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/429968709-suction-cup)

## Best For

- jqdml enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Advanced zinc plating and galvanizing process deliver superior rust resistance and durability.
- • **Compact & Lightweight:** At just 3.2 ounces, it’s easy to handle without compromising strength or performance.
- • **DIY-Ready Versatility:** Perfect for industrial applications or custom projects, empowering your creative engineering.
- • **Engineered for Precision:** M8 threading ensures seamless integration with your linear actuator setup.
- • **Optimal Grip & Stability:** Generous 3.94-inch suction cup diameter maximizes adsorbability for firm, reliable connections.

## Overview

The JQDML M8 Screw Suction Cup Adapter is a robust, zinc-plated iron and aluminum alloy connector designed for reciprocating linear actuators. Featuring a 3.94-inch suction diameter and M8 threading, it offers exceptional grip and corrosion resistance, making it an essential, durable component for industrial and DIY projects.

## Description

JQDML M8 Screw, 3.94 inch Diameter, DIY End Connectors Suction Cup Adapter for Reciprocating Linear Actuator: desertcart.com: Industrial & Scientific

Review: Necessary! - This is the perfec and necessary finishing touch to the rest of the set up.
Review: Fmachine approved - Works with the fmachine rod. Very happy with it.

## Features

- Material: Iron;Aluminium alloy.
- Surface treatment: Zinc Plated.The surface of the nut is treated with an advanced galvanizing process to prevent rust.
- Size: 10cm/3.94inch suction cup dia, 4cm/1.57 inch height.Thread size: M8
- Durable and Firmly -Durable for long time use,extremely smooth with high adsorbability.
- Application: Reciprocating Linear Actuator/for industrial connection purposes/for DIY

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09SKJSY99 |
| Best Sellers Rank | #75,118 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #52 in Linear Motion Actuators |
| Date First Available | February 16, 2022 |
| Item Weight | 3.2 ounces |
| Item model number | Connector |
| Manufacturer | JQDML |
| Package Dimensions | 5.98 x 4.33 x 1.69 inches |

## Images

![Suction Cup - Image 1](https://m.media-amazon.com/images/I/51XLtQm-+bL.jpg)
![Suction Cup - Image 2](https://m.media-amazon.com/images/I/51742A7CT7L.jpg)
![Suction Cup - Image 3](https://m.media-amazon.com/images/I/51X2vGyA5wL.jpg)
![Suction Cup - Image 4](https://m.media-amazon.com/images/I/61e-xaX3p0L.jpg)
![Suction Cup - Image 5](https://m.media-amazon.com/images/I/51A0z9RAkjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Necessary!
*by J***N on February 6, 2026*

This is the perfec and necessary finishing touch to the rest of the set up.

### ⭐⭐⭐⭐⭐ Fmachine approved
*by N***A on May 2, 2023*

Works with the fmachine rod. Very happy with it.

### ⭐⭐⭐ JQDML screw adapter
*by F***F on December 12, 2025*

The materials used are good, however the quality of work leaves something to be desired. The stem and the flat surface are not square so when installed upon shaft of equipment tooling is off at an angle.

## Frequently Bought Together

- JQDML M8 Screw, 3.94 inch Diameter, DIY End Connectors Suction Cup Adapter for Reciprocating Linear Actuator
- JQDML Upgrade Powerful Motor DIY Reciprocating Linear Actuator DC 24V 120rpm High Torque 40 lbs Adjustable Stroke 30-150mm/1.18-6” with Switching Power Supply(24V150mm120rpm)
- Stand Kit for JQDML Reciprocating Linear Actuator Motor Stand Size 8mm, Aluminum Alloy Material , Angle Adjustable with Installation Tools

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**Shop now:** [https://www.desertcart.at/products/429968709-suction-cup](https://www.desertcart.at/products/429968709-suction-cup)

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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-05-03*