{"title":"5\/8\"-18 Heavy Hex Nuts","description":"\u003cp\u003e5\/8\"-18 Heavy Hex Nuts in all available lengths, grades, materials, and finishes. 4 products in stock. Use the filters to narrow by grade, material, finish, and length. Orders before 2:00 PM ET ship same day.\u003c\/p\u003e","products":[{"product_id":"5-8-18-heavy-hex-nuts-steel-black-oxide","title":"5\/8\"-18 Heavy Hex Nuts \/ Steel \/ Black Oxide","description":"\u003cp\u003e5\/8\"-18 Heavy Hex Nuts \/ Steel \/ Black Oxide\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\"-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoHS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth Across Flats\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 1\/16\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/ecomfastenerstech.s3.us-west-1.amazonaws.com\/Nutshvyhex.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53542525272356,"sku":"63NHHB-400","price":453.68,"currency_code":"USD","in_stock":true},{"title":"Package (40 pcs)","offer_id":53542525305124,"sku":"63NHHB-40","price":174.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NHHB_33395986-461a-485d-af37-d52ff0e8796f.png?v=1777573481"},{"product_id":"5-8-18-heavy-hex-nuts-steel-zinc","title":"5\/8\"-18 Heavy Hex Nuts \/ Steel \/ Zinc","description":"\u003cp\u003e5\/8\"-18 Heavy Hex Nuts \/ Steel \/ Zinc\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\"-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoHS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOn Request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWidth Across Flats\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.938\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/ecomfastenerstech.s3.us-west-1.amazonaws.com\/Nutshvyhex.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53542525600036,"sku":"63NHH-400","price":378.06,"currency_code":"USD","in_stock":true},{"title":"Package (40 pcs)","offer_id":53542525632804,"sku":"63NHH-40","price":145.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NHH_54952072-d156-42a8-aff2-864589290c48.png?v=1777573483"},{"product_id":"5-8-18-heavy-hex-nut-2h-steel-zinc-astm-a194-grade-2h-asme-b18-2-2","title":"5\/8\"-18 Heavy Hex Nut \/ 2H Steel \/ Zinc \/ ASTM A194 Grade 2H; ASME B18.2.2","description":"\u003cp\u003e5\/8\"-18 Heavy Hex Nut \/ 2H Steel \/ Zinc \/ ASTM A194 Grade 2H; ASME B18.2.2\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eZinc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2H, A194 Grade 2H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\"-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASME B18.2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoHS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/ecomfastenerstech.s3.us-west-1.amazonaws.com\/Nutshvyhex.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53610591027492,"sku":"299155-400","price":200.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NHH_6037aab5-12c8-46a1-9bff-8823c20d7f74.png?v=1781018438"},{"product_id":"5-8-18-heavy-hex-nut-2h-steel-plain-astm-a194-grade-2h-asme-b18-2-2","title":"5\/8\"-18 Heavy Hex Nut \/ 2H Steel \/ Plain \/ ASTM A194 Grade 2H; ASME B18.2.2","description":"\u003cp\u003e5\/8\"-18 Heavy Hex Nut \/ 2H Steel \/ Plain \/ ASTM A194 Grade 2H; ASME B18.2.2\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGrade\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2H, A194 Grade 2H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\"-18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18 TPI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASME B18.2.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRoHS\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasurement System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/ecomfastenerstech.s3.us-west-1.amazonaws.com\/Nutshvyhex.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53610731208996,"sku":"314155-400","price":186.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NHH_d182bcca-4c1e-4b5b-a002-601608139afe.png?v=1781018498"}],"url":"https:\/\/www.ecomfasteners.com\/collections\/5-8-18-heavy-hex-nuts.oembed","provider":"Ecom Fasteners","version":"1.0","type":"link"}