---
product_id: 549673912
title: "80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall"
brand: "ywnyt"
price: "15211 Ft"
currency: HUF
in_stock: true
url: https://www.desertcart.hu/products/549673912-80-pcs-m4-x-20-petal-nuts-expansion-nut-jack
store_origin: HU
region: Hungary
---

# 80 pcs Easy installation Galvanized steel 80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall

**Brand:** ywnyt
**Price:** 15211 Ft
**Availability:** ✅ In Stock

## Summary

> 🔧 Secure Your Space with Style!

## Quick Answers

- **What is this?** 80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall by ywnyt
- **How much does it cost?** 15211 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/549673912-80-pcs-m4-x-20-petal-nuts-expansion-nut-jack)

## Best For

- ywnyt enthusiasts

## Why This Product

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

## Key Features

- • **Generous Supply:** Comes with 80 jack nuts, ensuring you have more than enough for all your projects.
- • **Unmatched Durability:** Crafted from high-quality galvanized steel to resist rust and corrosion, ensuring a long-lasting hold.
- • **Precision Engineering:** Designed with precise threads and dimensions for a perfect fit with holes and bolts.
- • **Versatile Applications:** Ideal for a variety of substrates including wallboard, concrete, and thin metal sheets.
- • **Quick & Easy Installation:** Install effortlessly with hand or pneumatic tools—no professional help needed!

## Overview

The 80 Pcs M4 x 20 Petal Nuts Expansion Nut set is designed for easy installation and long-lasting performance. Made from high-quality galvanized steel, these nuts resist rust and corrosion, making them perfect for various applications, from hanging curtain rods to mounting picture frames. With precise dimensions and a generous supply of 80 pieces, this set is ideal for both DIY enthusiasts and professionals alike.

## Description

Features:  Product use: mainly used in construction projects, railway projects, underground garages, steel buildings, bridge buildings and other places  Specifications: Model: M4 x 20  Installation method: 1. Drill a hole to the recommended diameter 2. tap the anchor bolt into the hole until it is flush with the surface of the substrate. 3. fit the setting tool to the head of the screw and squeeze to enlarge the anchor bolt. (smaller sized anchor bolts can be set with a screwdriver) 4. Remove the screw and thread it through the screw 5. Remove the screw and place it through the retainer and back into the anchor bolt. Tighten the screw until the fixing is secure  Packing list: M4 x 20 Petal Nuts Expansion Nut * 80 P  Notes. 1. Measured by hand, please allow for slight errors in size. 2. Due to different screen displays, there may be slight differences in colour.

## Features

- High quality steel: galvanised technology to prevent rust and corrosion and ensure long service life. High hardness and high breaking load ensure that the nut is difficult to deform and break. Precise threads and dimensions fit perfectly with the holes and bolts.
- Quick installation: hand or pneumatic tools make it easier to install. You can use 2 spanners or pliers. One to hold the rivet nut so it doesn't rotate after you have inserted it into the hole. Screw the right size of screw into the nut. Use the other wrench/pliers to tighten the nut. The nut will curl and stay in place as you tighten the screw/bolt. Do not over-tighten or you may strip the threads.
- Easy to use: equipped with screws for easy installation. Step 1: Insert the jack nut into the recommended drill hole until it is flush with the surface of the substrate; Step 2: Install the instantiation tool on the head of the screw and squeeze to expand the anchor bolt; Step 3: Remove the screw and thread it through the fixture. Tighten the screws on the parts to be attached.
- Package contains: You will get 80 pieces of M4 x 20 jack nuts. Plenty of them to meet all your daily needs. High quality galvanised steel, galvanised to resist corrosion and rusting.
- Scope of application: Suitable for hanging curtain rods, lamps, picture frames, wall cabinets, wall panels, coat hangers, lamps, power switches, clocks, car plates, drying racks and container labels. Suitable for a variety of substrates such as wallboard, concrete, wood, ceramic, cardboard and thin plastic or metal sheets (iron, hollow sheet, aluminium frames).

## Images

![80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall - Image 1](https://m.media-amazon.com/images/I/71U6NUFYZ3L.jpg)
![80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall - Image 2](https://m.media-amazon.com/images/I/61qKQggVlgL.jpg)
![80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall - Image 3](https://m.media-amazon.com/images/I/71Y4L+aVogL.jpg)
![80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall - Image 4](https://m.media-amazon.com/images/I/81Djpssu6SL.jpg)
![80 Pcs M4 x 20 Petal Nuts Expansion Nut, Jack Nuts With Screws, Short Jacknut Expansion Nut Flat Head Threaded Insert Nut Easy Installation for Hollow Wall Iron Plastic Thin Metal Thin Soft Wall - Image 5](https://m.media-amazon.com/images/I/71jM+JG6mQL.jpg)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-26*