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They are particularly suited for use with stainless steel bolts, set screws, and threaded fasteners where both structural integrity and appearance are important.\u003c\/p\u003e\n\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium A4 \/ 316 stainless steel for superior corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eExcellent performance in marine, industrial, and construction environments\u003c\/li\u003e\n  \u003cli\u003eWide bearing surface to spread load and protect substrates\u003c\/li\u003e\n  \u003cli\u003eHigh strength and durability for long-term, maintenance-free use\u003c\/li\u003e\n  \u003cli\u003eManufactured to recognized international standards for accuracy and consistency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWhether you are working on structural assemblies, marine hardware, outdoor installations, or precision engineering projects, these stainless steel penny washers offer a reliable, high-performance fastening solution built to withstand demanding conditions and deliver lasting results.\u003c\/p\u003e","brand":"Duchy Fasteners","offers":[{"title":"M4 \/ 20mm \/ 1.5mm","offer_id":52758060466494,"sku":"A4WPEN040020","price":0.12,"currency_code":"GBP","in_stock":true},{"title":"M5 \/ 25mm \/ 1.5mm","offer_id":52758060433726,"sku":"A4WPEN050025","price":0.21,"currency_code":"GBP","in_stock":true},{"title":"M6 \/ 20mm \/ 1.5mm","offer_id":52758060400958,"sku":"A4WPEN060020","price":0.15,"currency_code":"GBP","in_stock":true},{"title":"M6 \/ 25mm \/ 1.5mm","offer_id":52758060368190,"sku":"A4WPEN060025","price":0.22,"currency_code":"GBP","in_stock":true},{"title":"M6 \/ 30mm \/ 1.5mm","offer_id":52758060335422,"sku":"A4WPEN060030","price":0.36,"currency_code":"GBP","in_stock":true},{"title":"M6 \/ 40mm \/ 1.5mm","offer_id":52758060302654,"sku":"A4WPEN060040","price":0.58,"currency_code":"GBP","in_stock":true},{"title":"M8 \/ 25mm \/ 1.5mm","offer_id":52758060269886,"sku":"A4WPEN080025","price":0.29,"currency_code":"GBP","in_stock":true},{"title":"M8 \/ 30mm \/ 1.5mm","offer_id":52758060237118,"sku":"A4WPEN080030","price":0.37,"currency_code":"GBP","in_stock":true},{"title":"M8 \/ 40mm \/ 1.5mm","offer_id":52758060204350,"sku":"A4WPEN080040","price":0.5,"currency_code":"GBP","in_stock":true},{"title":"M10 \/ 30mm \/ 1.5mm","offer_id":52758060171582,"sku":"A4WPEN100030","price":0.25,"currency_code":"GBP","in_stock":true},{"title":"M12 \/ 35mm \/ 1.5mm","offer_id":52758060073278,"sku":"A4WPEN120035","price":0.4,"currency_code":"GBP","in_stock":true},{"title":"M12 \/ 40mm \/ 1.5mm","offer_id":52758060040510,"sku":"A4WPEN120040","price":0.43,"currency_code":"GBP","in_stock":true},{"title":"M12 \/ 50mm \/ 1.5mm","offer_id":52758059974974,"sku":"A4WPEN120050","price":1.6,"currency_code":"GBP","in_stock":true},{"title":"M12 \/ 50mm \/ 5mm","offer_id":52758060007742,"sku":"A4WPEN120505","price":2.28,"currency_code":"GBP","in_stock":true},{"title":"10mm \/ 35mm \/ 1.5mm","offer_id":52758060138814,"sku":"A4WPEN100035","price":0.37,"currency_code":"GBP","in_stock":true},{"title":"10mm \/ 40mm \/ 1.5mm","offer_id":52758060106046,"sku":"A4WPEN100040","price":0.34,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/3183\/5198\/files\/a4-penny-washers.webp?v=1781265942"},{"product_id":"a4-stainless-steel-square-spring-washers-din-7980","title":"Stainless Steel Square Spring Washers DIN 7980 A4","description":"\u003cp\u003eThese high-quality stainless steel spring lock washers are designed to deliver reliable fastening performance in demanding environments. Manufactured to DIN 7980 standards from durable A4 \/ 316 stainless steel, they provide outstanding corrosion resistance, making them ideal for use in construction, engineering, metal fabrication, marine, and outdoor applications where long-term durability is essential.\u003c\/p\u003e\n\n\u003cp\u003eEngineered for strength and security, each washer helps to maintain tension in bolted joints, reducing the risk of loosening under vibration, load, or movement. The robust design ensures a secure fit and consistent performance, making them a trusted choice for both professional installers and DIY users who need dependable stainless steel fasteners for critical assemblies.\u003c\/p\u003e\n\n\u003cp\u003eSuitable for a wide range of metric bolts and screws, these spring lock washers are perfect for high-performance applications where safety and reliability cannot be compromised. Whether you are working on structural frameworks, machinery, equipment installation, or precision metalwork, they offer a clean, professional fastening solution that withstands harsh conditions and frequent use.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eMade from corrosion-resistant A4 \/ 316 stainless steel\u003c\/li\u003e\n  \u003cli\u003eManufactured to DIN 7980 for consistent quality and fit\u003c\/li\u003e\n  \u003cli\u003eProvides secure locking action to resist loosening\u003c\/li\u003e\n  \u003cli\u003eIdeal for industrial, construction, engineering, and marine use\u003c\/li\u003e\n  \u003cli\u003eSuitable for a wide variety of metric stainless steel fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eChoose these stainless steel spring lock washers when you need a strong, durable, and corrosion-resistant fastening solution that delivers long-term reliability in even the toughest environments.\u003c\/p\u003e","brand":"Duchy Fasteners","offers":[{"title":"M2.5","offer_id":52758071181630,"sku":"A4WSCS025","price":0.01,"currency_code":"GBP","in_stock":true},{"title":"M3","offer_id":52758071148862,"sku":"A4WSCS03","price":0.01,"currency_code":"GBP","in_stock":true},{"title":"M4","offer_id":52758071116094,"sku":"A4WSCS04","price":0.01,"currency_code":"GBP","in_stock":true},{"title":"M5","offer_id":52758071083326,"sku":"A4WSCS05","price":0.02,"currency_code":"GBP","in_stock":true},{"title":"M6","offer_id":52758071050558,"sku":"A4WSCS06","price":0.02,"currency_code":"GBP","in_stock":true},{"title":"M8","offer_id":52758071017790,"sku":"A4WSCS08","price":0.04,"currency_code":"GBP","in_stock":true},{"title":"M10","offer_id":52758070985022,"sku":"A4WSCS10","price":0.08,"currency_code":"GBP","in_stock":true},{"title":"M12","offer_id":52758070952254,"sku":"A4WSCS12","price":0.09,"currency_code":"GBP","in_stock":true},{"title":"M14","offer_id":52758070919486,"sku":"A4WSCS14","price":0.17,"currency_code":"GBP","in_stock":true},{"title":"M16","offer_id":52758070886718,"sku":"A4WSCS16","price":0.19,"currency_code":"GBP","in_stock":true},{"title":"M18","offer_id":52758070853950,"sku":"A4WSCS18","price":0.27,"currency_code":"GBP","in_stock":true},{"title":"M20","offer_id":52758070821182,"sku":"A4WSCS20","price":0.5,"currency_code":"GBP","in_stock":true},{"title":"M24","offer_id":52758070788414,"sku":"A4WSCS24","price":0.65,"currency_code":"GBP","in_stock":true},{"title":"M30","offer_id":52758070755646,"sku":"A4WSCS30","price":1.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/3183\/5198\/files\/a4-square-section-spring-washers_cf35d100-372a-4712-bee2-d9b6bf553b32.webp?v=1781265931"},{"product_id":"a4-stainless-steel-form-a-flat-washers-din-125","title":"Stainless Steel Form A Flat Washers DIN 125 A4","description":"\u003cp\u003eThese A4 Form A washers to DIN 125 are premium-grade stainless steel fasteners engineered for high-performance applications. Manufactured from 316 stainless steel, they offer exceptional durability, strength, and long-term resistance to corrosion, making them ideal for use in demanding environments where reliability is critical.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to distribute load and protect surfaces, these flat washers provide a secure and stable bearing surface under bolt heads and nuts, helping to prevent loosening, deformation, and damage to the assembly. Their high-quality construction ensures consistent performance in industrial, marine, construction, and structural applications, even when exposed to moisture, chemicals, or extreme weather conditions.\u003c\/p\u003e\n\n\u003cp\u003ePrecision-made to recognised industry standards, these stainless steel washers deliver dependable fastening solutions across a wide range of projects, from engineering and fabrication to maintenance and repair. Whether used in harsh coastal environments, heavy-duty machinery, or general-purpose assemblies, they offer a reliable, long-lasting solution for professional and trade users alike.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eManufactured from 316 A4 stainless steel for superior corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eForm A flat washer design to DIN 125 for consistent fit and performance\u003c\/li\u003e\n  \u003cli\u003eSuitable for industrial, marine, construction, and structural applications\u003c\/li\u003e\n  \u003cli\u003eHelps distribute load, reduce surface damage, and improve joint security\u003c\/li\u003e\n  \u003cli\u003eIdeal for use with stainless steel bolts, screws, and nuts in demanding conditions\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Duchy Fasteners","offers":[{"title":"M3","offer_id":52758073409854,"sku":"A4WFA03","price":0.01,"currency_code":"GBP","in_stock":true},{"title":"M4","offer_id":52758073377086,"sku":"A4WFA04","price":0.02,"currency_code":"GBP","in_stock":true},{"title":"M5","offer_id":52758073344318,"sku":"A4WFA05","price":0.02,"currency_code":"GBP","in_stock":true},{"title":"M6","offer_id":52758073311550,"sku":"A4WFA06","price":0.05,"currency_code":"GBP","in_stock":true},{"title":"M8","offer_id":52758073278782,"sku":"A4WFA08","price":0.07,"currency_code":"GBP","in_stock":true},{"title":"M10","offer_id":52758073246014,"sku":"A4WFA10","price":0.12,"currency_code":"GBP","in_stock":true},{"title":"M12","offer_id":52758073213246,"sku":"A4WFA12","price":0.19,"currency_code":"GBP","in_stock":true},{"title":"M14","offer_id":52758073180478,"sku":"A4WFA14","price":0.27,"currency_code":"GBP","in_stock":true},{"title":"M16","offer_id":52758073147710,"sku":"A4WFA16","price":0.27,"currency_code":"GBP","in_stock":true},{"title":"M18","offer_id":52758073114942,"sku":"A4WFA18","price":0.35,"currency_code":"GBP","in_stock":true},{"title":"M20","offer_id":52758073082174,"sku":"A4WFA20","price":0.46,"currency_code":"GBP","in_stock":true},{"title":"M22","offer_id":52758073049406,"sku":"A4WFA22","price":0.66,"currency_code":"GBP","in_stock":true},{"title":"M24","offer_id":52758073016638,"sku":"A4WFA24","price":1.07,"currency_code":"GBP","in_stock":true},{"title":"M27","offer_id":52758072983870,"sku":"A4WFA27","price":1.37,"currency_code":"GBP","in_stock":true},{"title":"M30","offer_id":52758072951102,"sku":"A4WFA30","price":1.52,"currency_code":"GBP","in_stock":true},{"title":"M33","offer_id":52758072820030,"sku":"A4WFA33","price":2.05,"currency_code":"GBP","in_stock":true},{"title":"M36","offer_id":52758072918334,"sku":"A4WFA36","price":2.18,"currency_code":"GBP","in_stock":true},{"title":"M39","offer_id":52758072885566,"sku":"A4WFA39","price":3.78,"currency_code":"GBP","in_stock":true},{"title":"M42","offer_id":52758072852798,"sku":"A4WFA42","price":4.59,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/3183\/5198\/files\/a4-form-a-flat-washers-din125.webp?v=1781265922"},{"product_id":"a4-stainless-steel-flat-washers-iso-7089","title":"Stainless Steel Flat Washers ISO 7089 A4","description":"\u003cp\u003eThis premium flat washer range is engineered for reliable performance wherever a strong, secure fastening is required. Manufactured from high-grade A4 stainless steel to ISO 7089 and 200HV hardness, these washers deliver outstanding durability, wear resistance, and long-term stability in demanding conditions.\u003c\/p\u003e\n\n\u003cp\u003eDesigned to meet leading international standards such as ASME, DIN, and BS, each washer offers precise dimensions and a consistent bearing surface to distribute load evenly, protect contact surfaces, and reduce the risk of loosening under vibration. The excellent corrosion resistance of A4 stainless steel makes these washers particularly suited to marine, coastal, chemical, and outdoor environments, where exposure to moisture and aggressive elements is a concern.\u003c\/p\u003e\n\n\u003cp\u003eIdeal for use in industrial machinery, construction, engineering projects, and general fastening applications, these stainless steel flat washers integrate seamlessly with compatible bolts and nuts to create strong, secure assemblies. 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Suitable for use with matching stainless steel bolts, nuts, and threaded components, these washers support a wide range of mechanical, structural, and fabrication projects.\u003c\/p\u003e\n\n\u003cp\u003eAvailable across a selection of common metric sizes, this range allows you to choose the right washer for everything from light-duty assemblies to heavy-duty structural connections. 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