---
product_id: 635158630
title: "200 PCS Tile Backer Board Screws and Washers Kit, 3.5x30mm Backer Board Screws with 35mm Metal Washers, Easy Fix Screw and Washer Set for Insulation and Backer Board Installation"
brand: "utxn"
price: "NT$1518"
currency: TWD
in_stock: true
url: https://www.desertcart.tw/products/635158630-200-pcs-tile-backer-board-screws-and-washers-kit-3
store_origin: TW
region: Taiwan
---

# 3.5x30mm screws with 35mm washers 200 pcs precision screws & washers Galvanized steel corrosion-resistant 200 PCS Tile Backer Board Screws and Washers Kit, 3.5x30mm Backer Board Screws with 35mm Metal Washers, Easy Fix Screw and Washer Set for Insulation and Backer Board Installation

**Brand:** utxn
**Price:** NT$1518
**Availability:** ✅ In Stock

## Summary

> 🔧 Screw it right, seal it tight — the pro’s choice for flawless installs!

## Quick Answers

- **What is this?** 200 PCS Tile Backer Board Screws and Washers Kit, 3.5x30mm Backer Board Screws with 35mm Metal Washers, Easy Fix Screw and Washer Set for Insulation and Backer Board Installation by utxn
- **How much does it cost?** NT$1518 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/635158630-200-pcs-tile-backer-board-screws-and-washers-kit-3)

## Best For

- utxn enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Durable galvanized steel resists wear, deformation, and corrosion for long-term reliability.
- • **Maximized Adhesion:** Perforated washers expose insulation fully, boosting adhesive strength and preventing delamination.
- • **Versatile Fixing Power:** Includes 100 screws and 100 washers, ideal for insulation, tile backer, gypsum, and more.
- • **Effortless Installation:** Self-tapping screws paired with metal washers make your project faster and cleaner.
- • **Flush Finish Every Time:** Countersunk design ensures a perfectly flat surface for seamless layering.

## Overview

This 200-piece kit features 3.5x30mm galvanized steel screws and 35mm metal washers designed for tile backer and insulation board installation. The countersunk screws ensure a flush surface, while perforated washers enhance adhesive bonding. Durable and corrosion-resistant, this set is perfect for a variety of boards including gypsum, plasterboard, and XPS insulation, making it a versatile and reliable solution for professional-grade projects.

## Description

200 PCS Tile Backer Board Screws and Washers Kit, 3.5x30mm Backer Board Screws with 35mm Metal Washers, Easy Fix Screw and Washer Set for Insulation and Backer Board Installation

## Features

- [Maintain Flat Surface]: Tile Backer Board Washers countersunk design ensures the screw head is pulled into the board while keeping the outer edge flush, facilitating easy application of subsequent layers.
- [Enhanced Adhesion]: Heat Shield Repair Kit perforated surface allows maximum exposure of the insulation board, promoting strong adhesion of standard adhesives and plasters, reducing the risk of surface delamination or damage.
- [Durable Construction]: Crafted from high-quality galvanized steel, these washers for screws are sturdy, resistant to deformation, wear, and corrosion, ensuring long-lasting performance even after installation.
- [Insulating Fixings]: Package includes 100 insulating washers (36mm diameter) and 100 self-tapping screws (30mm length) to meet various fixing needs in daily life.
- [Wide Application]: Tile backer board washers with screws are ideal for use with insulation board, tile backer board, gypsum board, plasterboard, composite board, XPS insulation, and celotex, making them versatile for various projects.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | UTXN |
| Part number | ALM0043_2405 |
| Item Weight | 410 g |
| Product Dimensions | 20 x 10 x 2 cm; 410 g |
| Item model number | ALM0043_2405 |
| Size | 1.37 inches |
| Colour | 6-Hole Gasket |
| Finish | Glossy |
| Material | galvanized steel |
| Shape | Flat |
| Number of Pieces | 200 |
| Head Style | countersunk |
| Included components | Washers |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Material:** galvanized steel
- **Outside diameter:** 3.5 Centimetres
- **Washer type:** Flat
- **Exterior finish:** Stainless Steel
- **Fastener size:** 35mm

## Images

![200 PCS Tile Backer Board Screws and Washers Kit, 3.5x30mm Backer Board Screws with 35mm Metal Washers, Easy Fix Screw and Washer Set for Insulation and Backer Board Installation - Image 1](https://m.media-amazon.com/images/I/71ZLox1C9+L.jpg)

## Available Options

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

## Questions & Answers

**Q: What kind of projects are these screws and washers good for?**
A: These screws and washers are great for light renovation projects, such as fixing bathroom backsplash, insulation, or plastic sheeting. They are affordable and easy to install, making them an economical choice for most home renovation needs.

**Q: Does the thickness of the washers affect the performance?**
A: As long as they are not over-tightened, washers will hold their shape and get the job done. If you need more strength, consider using two washers on top of each other, or go with a thicker washer depending on the situation.

**Q: How good are these products for the price?**
A: They are very cost-effective, especially for projects that require a lot of use. They are inexpensive and available in large quantities, which can help you save money. They are an economical and practical choice for light renovation work.

## Frequently Bought Together

- 200 PCS Tile Backer Board Screws and Washers Kit, 3.5x30mm Backer Board Screws with 35mm Metal Washers, Easy Fix Screw and Washer Set for Insulation and Backer Board Installation
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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-01-28*