---
product_id: 359697402
title: "Easy Fix Washers - 28mm Diameter Pack of 100 Pieces, KAIISSA 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Board Fixed Backer Boards"
brand: "kaiissa"
price: "S/.66"
currency: PEN
in_stock: true
reviews_count: 9
category: "Kaiissa"
url: https://www.desertcart.pe/products/359697402-easy-fix-washers-28mm-diameter-pack-of-100-pieces-kaiissa
store_origin: PE
region: Peru
---

# 4-claw ultra firm grip 28mm diameter precision fit galvanized iron anti-corrosion Easy Fix Washers - 28mm Diameter Pack of 100 Pieces, KAIISSA 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Board Fixed Backer Boards

**Brand:** kaiissa
**Price:** S/.66
**Availability:** ✅ In Stock

## Summary

> 🛠️ Secure your space with the ultimate fix – don’t let your project settle for less!

## Quick Answers

- **What is this?** Easy Fix Washers - 28mm Diameter Pack of 100 Pieces, KAIISSA 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Board Fixed Backer Boards by kaiissa
- **How much does it cost?** S/.66 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/359697402-easy-fix-washers-28mm-diameter-pack-of-100-pieces-kaiissa)

## Best For

- kaiissa enthusiasts

## Why This Product

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

## Key Features

- • **Unmatched Stability:** 4-claw design locks panels flush and firm for lasting hold
- • **Bulk Ready for Projects:** 100-pack supply with 28mm diameter, optimized for efficient board installation
- • **Versatile Compatibility:** Ideal for wood, concrete, thermopanels, and synthetic insulation materials
- • **Seamless Surface Integration:** Perforated slimline washer reduces delamination, perfect for gypsum & insulation boards
- • **Corrosion-Resistant Durability:** Galvanized iron ensures wear and rust resistance in any environment

## Overview

The KAIISSA Easy Fix Washers are heavy-duty, galvanized iron 4-claw washers measuring 28mm in diameter, designed to securely fasten gypsum, insulation, tile backer, and composite boards. Their perforated design enhances adhesive bonding while preventing surface damage, making them essential for professional-grade construction and renovation projects. Each pack contains 100 washers, providing reliable corrosion resistance and a firm grip across multiple substrates.

## Description

-[4-Claw Design]: This ultra thin washerwith claws can fix the panel more firmly, and become almost flush withthe board.-[Application]: Used for insulation boards, tile backer boards,gypsum boards, composite boards extruded plates, or just fixing constructionboards to frames.-[Material]: Four claw gaskets Madeof high quality material, surface galvanized, durable, anti-wear andanti-corrosion.-[Dimension]: Composite board fixed out diameter is 28mm / 1.1inchand the screw hole diameter is 5mm/ 0.19inch.Item Specifications:Material: Galvanized IronItem Diameter: 28mm / 1.1inchHole Size: 5mm / 0.19inchThorn height: 5mm / 0.19inchNumber in Pack: 100Pcs (Note: Not including screws.)Brand: KAIISSA

Review: Great ideas start here - Perfect for what I’m doing
Review: Ok, I guess. Pretty thin material. - Ok, I guess. Pretty thin material. Bends easily. Don't buy for Wedi installs.

## Features

- HIGH QUALITY MATERIALS: Made with iron and galvanized. These butterfly-shaped washers are heavy duty firm not easily deformed, they are the highest quality four-claw gaskets that you can find on the market. They are durable, anti-wear and anti-corrosion. Enjoy reliability and quality with these fixing washer discs
- SEAMLESS APPLICATION: When secured with the appropriate steel screws, our perforated slimline metal washer grips tightly into the surface. The perforation of the fixing disk allows the adhesive or plaster to stick to the board’s surface, max reduce the risk of surface delamination or damage. Used for insulation boards, tile backer boards, gypsum boards, composite boards extruded plates, or just fixing construction boards to frames
- EASY TO USE WASHERS: These sturdy fix washers are a must have part for installing tile backerboards. These fixing discs have been specially designed to provide an easy secure way to aid fixing backer boards and insulation boards to floor & walls of most common materials (wooden, concrete, thermopanels and synthetic insulation materials
- PACKAGE INCLUDES: Each insulation nail lock piece package includes 100 pack of sturdy steel easy fix washers, that measure 28mm diameter, and typically 8 washers per board are needed, although it depends on the size of your backer board
- QUALITY GUARANTEED: If you unsatisfied with the composite board fixed insulation nail lock piece, please feel free to contact us. Our gypsum board anchor four thorn pieces have 30-day return guarantee and 12-month after-sale warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08N4DKDNW |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #144,006 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #806 in Flat Washers |
| Brand | KAIISSA |
| Color | Silver |
| Customer Reviews | 4.5 4.5 out of 5 stars (239) |
| Date First Available | June 21, 2021 |
| Exterior Finish | Iron |
| Fastener Size | 28mm |
| Finish | Galvanized |
| Head Style | flat |
| Inside Diameter | 5 Millimeters |
| Inside Diameter Tolerance | 5 Millimeters |
| Item Package Quantity | 1 |
| Item Thickness | 0.19 Inches |
| Item Weight | 6.7 ounces |
| Manufacturer | KAIISSA |
| Material | Iron Galvanized |
| Metal Type | Iron Galvanized |
| Number of Pieces | 100 |
| Outside Diameter | 28 Millimeters |
| Package Dimensions | 7.6 x 5.39 x 1.38 inches |
| Part Number | HD0056 |
| Shape | Flat |
| Size | 1.1 inches |
| UPC | 791571583954 |
| Washer Type | 4-Claw Washers |

## Product Details

- **Exterior Finish:** Iron
- **Inside Diameter:** 5 Millimeters
- **Material:** Iron Galvanized
- **Outside Diameter:** 28 Millimeters
- **Washer Type:** 4-Claw Washers

## Images

![Easy Fix Washers - 28mm Diameter Pack of 100 Pieces, KAIISSA 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Board Fixed Backer Boards - Image 1](https://m.media-amazon.com/images/I/61C3Ekl6L3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great ideas start here
*by L***H on October 7, 2023*

Perfect for what I’m doing

### ⭐⭐⭐ Ok, I guess. Pretty thin material.
*by R***. on October 9, 2022*

Ok, I guess. Pretty thin material. Bends easily. Don't buy for Wedi installs.

### ⭐⭐⭐⭐⭐ These are great
*by C***N on November 1, 2022*

These are great and way better than the plastic washer deal but be careful. They will stick you if you don’t watch. They hold great and tight on foam board insulation.

## Frequently Bought Together

- Easy Fix Washers - 28mm Diameter Pack of 100 Pieces, KAIISSA 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Board Fixed Backer Boards
- Hard-to-Find Fastener 014973268145 Phillips Bugle All Purpose Screws, 8 x 1-1/2-Inch, 885-Piece

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*Product available on Desertcart Peru*
*Store origin: PE*
*Last updated: 2026-03-14*