{"title":"1 3\/8\" Lock Washers","description":"\u003cp\u003e1 3\/8\" Lock Washers 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":"1-3-8-internal-tooth-lock-washers-steel-zinc","title":"1 3\/8\" Internal Tooth Lock Washers \/ Steel \/ Zinc","description":"\u003cp\u003e1 3\/8\" Internal Tooth Lock Washers \/ 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\u003e1 3\/8\"\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\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/ecomfastenerstech.s3.us-west-1.amazonaws.com\/Washersinternal.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (600 pcs)","offer_id":53540505059620,"sku":"137WI-600","price":766.8,"currency_code":"USD","in_stock":true},{"title":"Package (60 pcs)","offer_id":53540505092388,"sku":"137WI-60","price":322.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/WI_4f3628d3-775c-4a28-93d3-4131561949ec.png?v=1777570386"},{"product_id":"1-3-8-medium-split-lock-washers-steel-zinc","title":"1 3\/8\" Medium Split Lock Washers \/ Steel \/ Zinc","description":"\u003cp\u003e1 3\/8\" Medium Split Lock Washers \/ 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\u003e1 3\/8\"\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\u003c\/table\u003e\u003cp\u003e\u003ca href=\"https:\/\/ecomfastenerstech.s3.us-west-1.amazonaws.com\/Washerssplitalloy.pdf\" target=\"_blank\" rel=\"noopener\"\u003eDownload Spec Sheet (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Ecom Fasteners","offers":[{"title":"Bulk Box (100 pcs)","offer_id":53540505223460,"sku":"137WS-100","price":263.09,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53540505256228,"sku":"137WS-10","price":67.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/WS_464bde7a-d13e-4fdb-aa75-f433fc2ab82b.png?v=1777570386"},{"product_id":"1-3-8-split-lock-washer-heavy-thru-hardened-steel-plain-asme-b18-21-1","title":"1 3\/8\" Split Lock Washer (Heavy Thru Hardened) \/ Steel \/ Plain \/ ASME B18.21.1","description":"\u003cp\u003e1 3\/8\" Split Lock Washer (Heavy Thru Hardened) \/ Steel \/ Plain \/ ASME B18.21.1\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\u003eThru-Hardened\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASME B18.21.1\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 (150 pcs)","offer_id":53610770497828,"sku":"342650-150","price":358.65,"currency_code":"USD","in_stock":true},{"title":"Package (10 pcs)","offer_id":53610770530596,"sku":"342650-10","price":53.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/WI_2b86d476-3b2c-4d61-89f6-aca161c4c34a.png?v=1781018528"},{"product_id":"1-3-8-split-lock-washer-regular-steel-plain-asme-b18-21-1","title":"1 3\/8\" Split Lock Washer (Regular) \/ Steel \/ Plain \/ ASME B18.21.1","description":"\u003cp\u003e1 3\/8\" Split Lock Washer (Regular) \/ Steel \/ Plain \/ ASME B18.21.1\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\u003e1 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASME B18.21.1\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 (200 pcs)","offer_id":53610777706788,"sku":"348017-200","price":277.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/WI_3f819d1e-c22c-48ec-8c53-df150dbc60c4.png?v=1781018531"},{"product_id":"1-3-8-split-lock-washer-steel-hot-dip-galvanized-asme-b18-21-1","title":"1 3\/8\" Split Lock Washer \/ Steel \/ Hot Dip Galvanized \/ ASME B18.21.1","description":"\u003cp\u003e1 3\/8\" Split Lock Washer \/ Steel \/ Hot Dip Galvanized \/ ASME B18.21.1\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\u003e1 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASME B18.21.1\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 (180 pcs)","offer_id":53610779869476,"sku":"350011-180","price":412.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/WI_8b3c6b20-c4bc-4774-9950-d17e37ca2110.png?v=1781018540"},{"product_id":"1-3-8-split-lock-washer-cr-3-steel-zinc-asme-b18-21-1","title":"1 3\/8\" Split Lock Washer (Cr+3) \/ Steel \/ Zinc \/ ASME B18.21.1","description":"\u003cp\u003e1 3\/8\" Split Lock Washer (Cr+3) \/ Steel \/ Zinc \/ ASME B18.21.1\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\u003e1 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eASME B18.21.1\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 (200 pcs)","offer_id":53610779902244,"sku":"349018-200","price":314.14,"currency_code":"USD","in_stock":true},{"title":"Package (25 pcs)","offer_id":53610779935012,"sku":"349018-25","price":131.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/7139\/5364\/files\/WI_01018ad2-4640-497b-a933-dbd0d48f38f2.png?v=1781018542"}],"url":"https:\/\/www.ecomfasteners.com\/collections\/1-3-8-lock-washers.oembed","provider":"Ecom Fasteners","version":"1.0","type":"link"}