{"product_id":"a4-316-stainless-steel-din-439-half-hex-lock-nut-thin-lock-nut-fasteners","title":"316 STAINLESS STEEL DIN 439 HALF \/ HEX LOCK NUT THIN LOCK NUT FASTENERS A4","description":"\u003cp\u003eThese A4 stainless steel hex lock nuts are precision-engineered fasteners designed to deliver secure locking performance in demanding environments. Manufactured from high-grade 316 stainless steel, they offer outstanding durability, tensile strength, and long-term resistance to rust, corrosion, and chemicals, making them ideal for use in marine, structural, industrial, and construction applications.\u003c\/p\u003e\n\n\u003cp\u003eProduced to DIN 439 standards and compatible with related ISO and DIN specifications, these thin and half-lock nuts are perfect wherever a low-profile, secure fixing is required. Their robust design ensures stability under vibration and load, helping to prevent loosening and maintaining a reliable connection over time. Whether used for machinery, metalwork, fabrication, or outdoor installations, they provide consistent, high-performance fastening in harsh or corrosive environments.\u003c\/p\u003e\n\n\u003cp\u003eAs part of a metric stainless steel fastener range, these lock nuts pair seamlessly with matching bolts, set screws, and threaded components to create strong, professional-grade assemblies. They are particularly suited to applications where high tensile strength and long service life are critical, such as marine hardware, industrial equipment, architectural fittings, and heavy-duty construction projects.\u003c\/p\u003e\n\n\u003cp\u003eChoose these A4 316 stainless steel hex lock nuts when you need a compact, reliable, and corrosion-resistant solution that meets rigorous engineering standards and performs flawlessly in both indoor and outdoor conditions.\u003c\/p\u003e","brand":"Duchy Fasteners","offers":[{"title":"M3","offer_id":52751686435134,"sku":"A4LNUT03","price":0.03,"currency_code":"GBP","in_stock":true},{"title":"M4","offer_id":52751686402366,"sku":"A4LNUT04","price":0.03,"currency_code":"GBP","in_stock":true},{"title":"M5","offer_id":52751686369598,"sku":"A4LNUT05","price":0.03,"currency_code":"GBP","in_stock":true},{"title":"M6","offer_id":52751686336830,"sku":"A4LNUT06","price":0.04,"currency_code":"GBP","in_stock":true},{"title":"M8","offer_id":52751686304062,"sku":"A4LNUT08","price":0.06,"currency_code":"GBP","in_stock":true},{"title":"M10","offer_id":52751686271294,"sku":"A4LNUT10","price":0.18,"currency_code":"GBP","in_stock":true},{"title":"M12","offer_id":52751686238526,"sku":"A4LNUT12","price":0.25,"currency_code":"GBP","in_stock":true},{"title":"M16","offer_id":52751686205758,"sku":"A4LNUT16","price":0.72,"currency_code":"GBP","in_stock":true},{"title":"M16 x 1.0","offer_id":52751686009150,"sku":"A4LNUT161","price":1.51,"currency_code":"GBP","in_stock":true},{"title":"M18","offer_id":52751686172990,"sku":"A4LNUT18","price":0.69,"currency_code":"GBP","in_stock":true},{"title":"M20","offer_id":52751686140222,"sku":"A4LNUT20","price":1.02,"currency_code":"GBP","in_stock":true},{"title":"M24","offer_id":52751686107454,"sku":"A4LNUT24","price":3.01,"currency_code":"GBP","in_stock":true},{"title":"M30","offer_id":52751686074686,"sku":"A4LNUT30","price":5.94,"currency_code":"GBP","in_stock":true},{"title":"M30 x 2.0","offer_id":52751685976382,"sku":"A4LNUT302","price":14.62,"currency_code":"GBP","in_stock":true},{"title":"M39","offer_id":52751686041918,"sku":"A4LNUT39","price":19.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/3183\/5198\/files\/bolt-ss_png_54665d7f-1c19-4374-b715-714f88781832.png?v=1780409448","url":"https:\/\/duchyfasteners.co.uk\/products\/a4-316-stainless-steel-din-439-half-hex-lock-nut-thin-lock-nut-fasteners","provider":"DuchyFasteners","version":"1.0","type":"link"}