{"title":"5\/8\"-11 Square Nuts","description":"\u003cp\u003e5\/8\"-11 Square Nuts in all available lengths, grades, materials, and finishes. 6 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":"5-8-11-heavy-square-nuts-steel-plain","title":"5\/8\"-11 Heavy Square Nuts  \/ Steel \/ Plain","description":"\u003cp\u003e5\/8\"-11 Heavy Square Nuts  \/ Steel \/ Plain\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\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5\/8\"-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 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\u003eCoarse\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\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\/Nutssqhvy.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (200 pcs)","offer_id":53542419890468,"sku":"62NQHP-200","price":165.98,"currency_code":"USD","in_stock":true},{"title":"Package (20 pcs)","offer_id":53542419923236,"sku":"62NQHP-20","price":63.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NQHP_e63a643e-a049-4bef-872b-91e697efc8e4.png?v=1777573386"},{"product_id":"5-8-11-regular-square-nuts-steel-zinc","title":"5\/8\"-11 Regular Square Nuts  \/ Steel \/ Zinc","description":"\u003cp\u003e5\/8\"-11 Regular Square 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\"-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 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\u003eCoarse\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\/Nutssqreg.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (200 pcs)","offer_id":53542424412452,"sku":"62NQR-200","price":170.74,"currency_code":"USD","in_stock":true},{"title":"Package (20 pcs)","offer_id":53542424445220,"sku":"62NQR-20","price":65.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NQR_545d8536-7361-455d-af83-feef22b2ff70.png?v=1777573392"},{"product_id":"5-8-11-regular-square-nuts-steel-hot-dip-galvanized","title":"5\/8\"-11 Regular Square Nuts  \/ Steel \/ Hot Dip Galvanized","description":"\u003cp\u003e5\/8\"-11 Regular Square Nuts  \/ Steel \/ Hot Dip Galvanized\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\u003eHot Dipped Galvanized\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\"-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 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\u003eCoarse\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\/Nutssqreg.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (200 pcs)","offer_id":53542424477988,"sku":"62NQRG-200","price":152.47,"currency_code":"USD","in_stock":true},{"title":"Package (20 pcs)","offer_id":53542424510756,"sku":"62NQRG-20","price":58.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NQRG_f6160cf3-817b-4b05-9c41-953498f24be8.png?v=1777573390"},{"product_id":"5-8-11-square-nut-grade-2-steel-plain-sae-j429-grade-2","title":"5\/8\"-11 Square Nut \/ Grade 2 Steel \/ Plain \/ SAE J429 Grade 2","description":"\u003cp\u003e5\/8\"-11 Square Nut \/ Grade 2 Steel \/ Plain \/ SAE J429 Grade 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\u003eGrade 2\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\"-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 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\u003eCoarse\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\u003c\/table\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53610304012580,"sku":"236040-400","price":210.48,"currency_code":"USD","in_stock":true},{"title":"Package (25 pcs)","offer_id":53610304045348,"sku":"236040-25","price":44.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NQ_bd3eb2fb-a890-459b-8e4d-b54df70f3841.png?v=1781018366"},{"product_id":"5-8-11-square-nut-grade-2-steel-zinc-sae-j429-grade-2","title":"5\/8\"-11 Square Nut \/ Grade 2 Steel \/ Zinc \/ SAE J429 Grade 2","description":"\u003cp\u003e5\/8\"-11 Square Nut \/ Grade 2 Steel \/ Zinc \/ SAE J429 Grade 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\u003eGrade 2\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\"-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Pitch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11 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\u003eCoarse\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\u003c\/table\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53610304733476,"sku":"237040-400","price":248.03,"currency_code":"USD","in_stock":true},{"title":"Package (25 pcs)","offer_id":53610304766244,"sku":"237040-25","price":52.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/NQ_bb1e1792-9a6d-4804-9e32-2d704f5a1981.png?v=1781018368"},{"product_id":"5-8-11-square-nut-grade-2-steel-hot-dip-galvanized-sae-j429-grade-2","title":"5\/8\"-11 Square Nut \/ Grade 2 Steel \/ Hot Dip Galvanized 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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\u003eCoarse\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\u003c\/table\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (400 pcs)","offer_id":53610305454372,"sku":"238040-400","price":287.46,"currency_code":"USD","in_stock":true},{"title":"Package (50 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