{"product_id":"black-stainless-steel-dome-nuts","title":"Black Dome Cap Nuts M3–M10 — A2 Stainless Steel DIN 1587","description":"\u003ch3\u003eWhy choose these Black Dome Cap Nuts\u003c\/h3\u003e\n\u003cp\u003eOur Black Dome Cap Nuts are manufactured from A2 (18\/8) stainless steel and finished in a hard-wearing matte black coating — combining the corrosion resistance of stainless with a clean, recessive appearance that suits modern joinery, marine fit-outs and decorative ironmongery. Made to DIN 1587, the domed acorn profile fully encloses the bolt thread, protecting hands and clothing from sharp ends while giving a tidy, finished look.\u003c\/p\u003e\n\u003ch3\u003eSizes available\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eM3 — for light fittings and small craft assemblies\u003c\/li\u003e\n\u003cli\u003eM4 — joinery, electronics enclosures and brackets\u003c\/li\u003e\n\u003cli\u003eM5 — furniture, fencing and panel work\u003c\/li\u003e\n\u003cli\u003eM6 — handrails, signage and general fabrication\u003c\/li\u003e\n\u003cli\u003eM8 — marine fittings, balustrades and machinery covers\u003c\/li\u003e\n\u003cli\u003eM10 — structural and heavy-duty applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePack options\u003c\/h3\u003e\n\u003cp\u003eChoose a pack of 10 units for repairs and small projects, or 20 units for larger installs and trade work. Each nut is individually inspected before packing.\u003c\/p\u003e\n\u003ch3\u003eTypical uses\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarine and boatbuilding — covering exposed bolt ends on deck fittings, cleats and rails\u003c\/li\u003e\n\u003cli\u003eGarden furniture, decking handrails and outdoor signage\u003c\/li\u003e\n\u003cli\u003eBlack-finish ironmongery, gate hardware and architectural metalwork\u003c\/li\u003e\n\u003cli\u003eBicycle, motorbike and trailer trim where a stealth black look is required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to fit\u003c\/h3\u003e\n\u003cp\u003eThread the dome nut onto a standard metric bolt or stud and tighten with a hex spanner or socket — the closed top means a torque wrench can be used without marking the cap. For best results, leave 1–2 threads protruding beyond a plain nut and cap with the dome nut, or use long enough threaded length to engage the full depth of the cap.\u003c\/p\u003e\n\u003ch3\u003eDelivery\u003c\/h3\u003e\n\u003cp\u003eSame-day dispatch on orders placed before 2pm, Monday to Friday. Free UK delivery on orders over £20. Tracked options available at checkout.\u003c\/p\u003e","brand":"Universal Hardware","offers":[{"title":"10 Units \/ M3","offer_id":54688989577553,"sku":"FAS-DOMENUT-A2-BLK-10-UNITS-M3","price":4.95,"currency_code":"GBP","in_stock":true},{"title":"20 Units \/ M3","offer_id":54688989610321,"sku":"FAS-DOMENUT-A2-BLK-20-UNITS-M3","price":9.5,"currency_code":"GBP","in_stock":true},{"title":"10 Units \/ M4","offer_id":54688989643089,"sku":"FAS-DOMENUT-A2-BLK-10-UNITS-M4","price":4.95,"currency_code":"GBP","in_stock":true},{"title":"20 Units \/ M4","offer_id":54688989675857,"sku":"FAS-DOMENUT-A2-BLK-20-UNITS-M4","price":9.5,"currency_code":"GBP","in_stock":true},{"title":"10 Units \/ M5","offer_id":54688989708625,"sku":"FAS-DOMENUT-A2-BLK-10-UNITS-M5","price":5.5,"currency_code":"GBP","in_stock":true},{"title":"20 Units \/ M5","offer_id":54688989741393,"sku":"FAS-DOMENUT-A2-BLK-20-UNITS-M5","price":10.0,"currency_code":"GBP","in_stock":true},{"title":"10 Units \/ M6","offer_id":54688989774161,"sku":"FAS-DOMENUT-A2-BLK-10-UNITS-M6","price":6.25,"currency_code":"GBP","in_stock":true},{"title":"20 Units \/ M6","offer_id":54688989806929,"sku":"FAS-DOMENUT-A2-BLK-20-UNITS-M6","price":11.0,"currency_code":"GBP","in_stock":true},{"title":"10 Units \/ M8","offer_id":54688989839697,"sku":"FAS-DOMENUT-A2-BLK-10-UNITS-M8","price":6.95,"currency_code":"GBP","in_stock":true},{"title":"20 Units \/ M8","offer_id":54688989872465,"sku":"FAS-DOMENUT-A2-BLK-20-UNITS-M8","price":12.2,"currency_code":"GBP","in_stock":true},{"title":"10 Units \/ M10","offer_id":54688989905233,"sku":"FAS-DOMENUT-A2-BLK-10-UNITS-M10","price":7.95,"currency_code":"GBP","in_stock":true},{"title":"20 Units \/ M10","offer_id":54688989938001,"sku":"FAS-DOMENUT-A2-BLK-20-UNITS-M10","price":13.75,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1073\/9381\/0769\/files\/s-l1600-4-1.jpg?v=1787675029","url":"https:\/\/www.universal-hardware.co.uk\/products\/black-stainless-steel-dome-nuts","provider":"Universal Hardware","version":"1.0","type":"link"}