---
product_id: 50429470
title: "Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Plasterboard Fixings 4 x 38mm, Silver, R-S1-SM04038/20"
brand: "rawlplug"
price: "€ 12.75"
currency: EUR
in_stock: true
url: https://www.desertcart.it/products/50429470-metal-fixing-with-metric-screw-pack-of-20-screws-plasterboard
store_origin: IT
region: Italy
---

# M4 x 38mm precision screws Reusable fixing system 8mm drill size for perfect fit Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Plasterboard Fixings 4 x 38mm, Silver, R-S1-SM04038/20

**Brand:** rawlplug
**Price:** € 12.75
**Availability:** ✅ In Stock

## Summary

> 🔧 Fix it once, fix it right — the pro’s choice for lasting strength!

## Quick Answers

- **What is this?** Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Plasterboard Fixings 4 x 38mm, Silver, R-S1-SM04038/20 by rawlplug
- **How much does it cost?** € 12.75 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.it](https://www.desertcart.it/products/50429470-metal-fixing-with-metric-screw-pack-of-20-screws-plasterboard)

## Best For

- rawlplug enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Application:** Perfect for shelves, radiators, coat hooks, and bathroom accessories
- • **Effortless Reusability:** Remove and reuse screws easily with standard tools—ideal for redecorating
- • **Secure Heavy-Duty Hold:** Engineered for heavy objects on plasterboard & soft partitions
- • **Trade Pack Convenience:** Bulk pack of 20 ensures you’re always ready for your next project
- • **Precision Fit Guarantee:** Optimized 8mm drill size and 20mm fixing thickness for flawless installation

## Overview

Rawlplug Metal Fixing Pack of 20 features M4 x 38mm zinc-plated cavity fixings designed for secure mounting on plasterboard, soft partitions, and plywood. With an 8mm drill size and 20mm fixing thickness, these reusable screws offer heavy-duty support for shelves, radiators, and more, making them a must-have for professional-grade installations and hassle-free redecorations.

## Description

Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Plasterboard Fixings 4 x 38mm, Silver, R-S1-SM04038/20

## Features

- PRODUCT: Pack of 20 Rawlplug High performance cavity fixings 4 x 38mm
- INTENDED FOR: Ideal for fixing heavy objects securely on soft faced partition boards, plasterboard, hardboard & plywood.
- REUSABLE: The screw and fixture can be removed and re-used. (e.g. When moving radiators for re-decoration) using a standard slotted or pozidriv screwdriver.
- TECHNICAL DATA: M4 x 38mm | Drill Size. 8mm | Fixing Thickness 20mm
- TYPICAL USES: Coat hooks to hollow doors, shelves and bathroom accessories to standard plasterboard, radiators and kitchen cabinets to double thickness and tiled plasterboard.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Rawlplug |
| Part Number | R-S1-SM04038/20 |
| Item model number | R-S1-SM04038/20 |
| Size | M4 x 40 Pack of 20 |
| Colour | Silver |
| Finish | Zinc Plated |
| Material | Zinc |
| Shape | Helical |
| Power Source | AC |
| Item Package Quantity | 1 |
| Number of Pieces | 20 |
| Head Style | Phillips |
| Cutting Diameter | 4 Millimetres |
| Measurement System | Metric |
| Included Components | Interset Cavity Fixings & Screws M4 x 38 Trade Pack of 20 |
| Batteries included? | No |
| Batteries Required? | No |
| Assembled Diameter | 4 Millimetres |
| Item Weight | 141 g |

## Product Details

- **Material:** Zinc
- **Head style:** Phillips
- **Item dimensions L x W x H:** 18 x 29 x 12 millimetres
- **Exterior finish:** Zinc
- **Thread size:** M4

## Images

![Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Plasterboard Fixings 4 x 38mm, Silver, R-S1-SM04038/20 - Image 1](https://m.media-amazon.com/images/I/710NydHxvgL.jpg)

## Available Options

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

## Questions & Answers

**Q: what weight do these hold**
A: Not sure but should be at least 20 kg if installed properly

**Q: Which size drill bit for these?**
A: my fixings came in a rawlplug bag which stated  drill size 8mm    wall/board  thickness 8 to 15mm for a  plug size m4x40mm       hope this helps

**Q: Would they be strong enough to hold a large mirror?**
A: The plugs are very sturdy. Depends how strong your plaster board and how heavy the mirror is!

**Q: Will two fixings hold a 16kg mirror on plasterboard wall? Can’t see how much weight they can bare**
A: You could try the rawlplug website for your answer.I think i seen weights given for these fixings on there.

## Frequently Bought Together

- Rawlplug Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Plasterboard Fixings 4 x 38mm, Silver, R-S1-SM04038/20
- Rawlplug Plasterboard Fixing Tool | NO Screwdriver Needed | Wall Anchor Tool for Fast and Simple Installation | Wall Anchor Tool for Multiple Applications | Manual Hand Riveter,Black,AT-88
- Rawlplug Metal Fixing with Metric Screw Pack of 20 | Screws for Plasterboard | Cavity Wall Fixing | Duty Plasterboard Fixings 5 x 37mm,Silver,R-S1-SM05037/20

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*Product available on Desertcart Italy*
*Store origin: IT*
*Last updated: 2026-01-26*