{"product_id":"mcmaster-98029a033-black-oxide-steel-washer-for-1-2-screw-size-general-purpose-0-531-id","title":"McMaster 98029A033 Black-Oxide Steel Washer for 1\/2\" Screw Size, General Purpose, 0.531\" ID","description":"\u003cp class=\"_product-detail-copy_k6m2n_1\"\u003eYour go-to metal washer for every screw\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003esize.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eWashers take the pressure off nuts and screws to protect mounting\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003esurfaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_product-detail-copy_k6m2n_1 _product-detail-copy-padding_k6m2n_19\"\u003e\u003cb\u003eBlack\u003c\/b\u003e\u003cb\u003e-\u003c\/b\u003e\u003cb\u003eOxide\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003e\u003cb\u003eSteel\u003c\/b\u003e\u003cb\u003e—\u003c\/b\u003e\u003c\/span\u003eTypically chosen for their\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003eappearance,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ethese washers have a\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003edark,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ematte coating that creates a finished\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003elook.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eThey offer minimal corrosion\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003eresistance,\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eso\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003ethey're\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003ebest for dry\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003eenvironments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"_product-detail-copy_k6m2n_1 _product-detail-copy-padding_k6m2n_19\"\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003e\u003cb\u003eCertificate\u003c\/b\u003e\u003cb\u003e—\u003c\/b\u003e\u003c\/span\u003eWashers include a report with a traceable lot\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"Wrd\"\u003enumber.\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable class=\"_product-detail-spec-table_1k2ch_1\"\u003e\n\u003ctbody class=\"_product-detail-spec-table-body_1k2ch_27\"\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000003679275\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eWasher Designation\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000005459444\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eGeneral Purpose\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000005086391\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000005086518\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eBlack-Oxide Steel\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000006658\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\n\u003cspan\u003eFor Screw Size\u003c\/span\u003e\n\u003cdiv class=\"_product-detail-spec-row-industrial-info-padding_mhn7k_71\"\u003e\n\u003cdiv class=\"_explanationIcon_q8hpp_1 _selectedExplanationIcon_q8hpp_31\" height=\"12\" width=\"12\" title=\"About For Screw Size\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000000125553\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003e\u003cspan class=\"af\"\u003e1\/2\u003c\/span\u003e\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000001492710\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eID\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000001493482\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003e0.531\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000007808\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eOD\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000000096801\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003e1.125\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000001454805\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eThickness\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000003230379\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003e0.105\" to 0.130\"\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000006666239\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eCertificate Form\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000006731544\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eDigital\u003c\/p\u003e\n\u003cdiv class=\"_product-detail-spec-row-industrial-info-padding_mhn7k_71\"\u003e\n\u003cdiv class=\"_explanationIcon_q8hpp_1 _selectedExplanationIcon_q8hpp_31\" height=\"12\" width=\"12\" title=\"About Digital Certificate Form\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000005274146\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eCertificate Type\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000005272246\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eMaterial Certificate with Traceable Lot Number\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000006908\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eHardness\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000000140931\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eNot Rated\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000001492748\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eSystem of Measurement\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000001498016\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eInch\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000001972997\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eWasher Type\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000001982072\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eFlat\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000001633\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eCountry of Origin\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000002422972\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eUnited States\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000001810\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\n\u003cspan\u003eDFARS Compliance\u003c\/span\u003e\n\u003cdiv class=\"_product-detail-spec-row-industrial-info-padding_mhn7k_71\"\u003e\n\u003cdiv class=\"_explanationIcon_q8hpp_1 _selectedExplanationIcon_q8hpp_31\" height=\"12\" width=\"12\" title=\"About DFARS Compliance\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000000157190\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eSpecialty Metals COTS-Exempt\u003c\/p\u003e\n\u003cdiv class=\"_product-detail-spec-row-industrial-info-padding_mhn7k_71\"\u003e\n\u003cdiv class=\"_explanationIcon_q8hpp_1 _selectedExplanationIcon_q8hpp_31\" height=\"12\" width=\"12\" title=\"About Specialty Metals COTS-Exempt DFARS Compliance\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000002136\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\n\u003cspan\u003eExport Control Classification Number (ECCN)\u003c\/span\u003e\n\u003cdiv class=\"_product-detail-spec-row-industrial-info-padding_mhn7k_71\"\u003e\n\u003cdiv class=\"_explanationIcon_q8hpp_1 _selectedExplanationIcon_q8hpp_31\" height=\"12\" width=\"12\" title=\"About Export Control Classification Number (ECCN)\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000000147067\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eEAR99\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000003168\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eREACH Compliance\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000009481228\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eREACH (EC 1907\/2006) (06\/25\/2025, 250 SVHC) Compliant\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"_product-detail-spec-table-row_mhn7k_1\"\u003e\n\u003ctd data-mcm-prod-id=\"10000000003321\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-label_mhn7k_87\"\u003e\u003cspan\u003eRoHS Compliance\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003ctd data-mcm-prod-id=\"10000001514377\" class=\"_tableCell_mhn7k_39\"\u003e\n\u003cdiv class=\"_product-detail-spec-row_mhn7k_55 _product-detail-spec-row-value_mhn7k_121\"\u003e\n\u003cp class=\"_Prsnttn_ValCell_Paragraph_mhn7k_131\"\u003eRoHS 3 (2015\/863\/EU) Compliant with Exemptions\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr 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