--- product_id: 330055149 title: "200pcs Easy Fix Washers 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Thermoboard Fixed Backer Boards, 28mm Diameter" brand: "fuyamp" price: "€ 14.58" currency: EUR in_stock: true reviews_count: 8 category: "Fuyamp" url: https://www.desertcart.pt/products/330055149-200pcs-easy-fix-washers-4-claw-washers-nail-gaskets-gypsum store_origin: PT region: Portugal --- # 28mm durable four-claw design 200pcs heavy-duty washers Galvanized iron, anti-corrosion 200pcs Easy Fix Washers 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Thermoboard Fixed Backer Boards, 28mm Diameter **Brand:** fuyamp **Price:** € 14.58 **Availability:** ✅ In Stock ## Summary > 🦾 Fix it once, fix it right — the pro’s choice for flawless board installation ## Quick Answers - **What is this?** 200pcs Easy Fix Washers 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Thermoboard Fixed Backer Boards, 28mm Diameter by fuyamp - **How much does it cost?** € 14.58 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/330055149-200pcs-easy-fix-washers-4-claw-washers-nail-gaskets-gypsum) ## Best For - fuyamp enthusiasts ## Why This Product - Trusted fuyamp brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Precision Fit:** 28mm diameter with 5mm hole ensures perfect screw compatibility - • **Bulk Power Pack:** 200 sturdy washers per pack—ready for any large-scale project - • **Unmatched Durability:** Galvanized iron construction resists wear, corrosion, and deformation - • **Seamless Surface Grip:** Perforated slimline design maximizes plaster adhesion and prevents delamination - • **Effortless Installation:** Four-claw shape locks boards securely on wood, concrete, and insulation materials ## Overview The Fuyamp 200pcs Easy Fix Washers are premium galvanized iron four-claw washers, 28mm in diameter, designed to securely fasten gypsum, insulation, and backer boards. Engineered for durability and corrosion resistance, these washers ensure a tight grip and seamless plaster adhesion, making them essential for professional-grade construction and renovation projects. ## Description Specifications: Material: Galvanized Iron Diameter: 28mm/ 1.1inch Hole Size: 5mm/ 0.19inch Thorn height: 5mm/ 0.19inch Quantity: 200Pcs (Note: Not including screws.) The package includes: 200 * Easy Fix Washers Review: Plasterboard fix - A great, flush and robust fix Review: Fixings for holding polystyrene in place - Made of aluminium good quality perfect for fixing polystyrene good price thick enough to do the job ## Features - PACKAGE INCLUDES: Each insulation nail lock piece package includes 200 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 - 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 - 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 | B093K9JBSG | | Best Sellers Rank | 27,257 in DIY & Tools ( See Top 100 in DIY & Tools ) 181 in Washers | | Brand Name | Fuyamp | | Colour | Silver | | Compatible Groove Diameter | 5 Millimeters | | Country Of Origin | China | | Customer Reviews | 4.6 out of 5 stars 226 Reviews | | Exterior Finish | Zinc | | Exterior finish | Zinc | | Fastener Size | 5 mm | | Fastener Type | Flat Washer | | Fastener size | 5 mm | | Finish Types | Metallic | | Item Diameter | 28 Millimetres | | Manufacturer | Fuyamp | | Manufacturer Part Number | OOBNUY20694 | | Material | Metal | | Material Type | Metal | | Metal | Alloy Steel, Iron | | Number Of Items | 1 | | Number of Pieces | 200 | | Outside Diameter | 28 Millimetres | | Outside diameter | 28 Millimetres | | Screw Head Style | Round | | Size | 1.1 inches | | Unit Count | 200 count | | Washer Type | Four-Claw | | Washer type | Four-Claw | ## Product Details - **Exterior finish:** Zinc - **Fastener size:** 5 mm - **Material:** Metal - **Outside diameter:** 28 Millimetres - **Washer type:** Four-Claw ## Images ![200pcs Easy Fix Washers 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Thermoboard Fixed Backer Boards, 28mm Diameter - Image 1](https://m.media-amazon.com/images/I/71qvPvZ9lPS.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Plasterboard fix *by J***E on 4 February 2026* A great, flush and robust fix ### ⭐⭐⭐⭐⭐ Fixings for holding polystyrene in place *by A***R on 31 October 2024* Made of aluminium good quality perfect for fixing polystyrene good price thick enough to do the job ### ⭐⭐⭐⭐⭐ PRICE IS GREAT *by S***N on 22 November 2025* AS REQUIRED ## Frequently Bought Together - Fuyamp 200pcs Easy Fix Washers 4-Claw Washers Nail Gaskets for Gypsum Board Extruded Plate Insulation Thermoboard Fixed Backer Boards, 28mm Diameter - ForgeFix Drywall Screws Coarse Thread | 4.2 x 100mm | Black Phosphate | Box 100 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/330055149-200pcs-easy-fix-washers-4-claw-washers-nail-gaskets-gypsum](https://www.desertcart.pt/products/330055149-200pcs-easy-fix-washers-4-claw-washers-nail-gaskets-gypsum) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-09-22*