{"product_id":"extra-thick-flat-washer-sae-grade-8-yellow-zinc-plated-thru-hardened-mcx-style-all-sizes","title":"Extra Thick Flat Washer SAE Grade 8 Yellow Zinc Plated Thru-Hardened MCX Style (ALL SIZES)","description":"\u003ch3 data-start=\"905\" data-end=\"941\"\u003e\u003cstrong data-start=\"912\" data-end=\"941\"\u003eFull Product Description:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"943\" data-end=\"1224\"\u003eThese \u003cstrong data-start=\"949\" data-end=\"981\"\u003eSAE Extra Thick Flat Washers\u003c\/strong\u003e are crafted for precision and performance in high-stress environments. Made from \u003cstrong data-start=\"1063\" data-end=\"1101\"\u003eGrade 8 thru-hardened carbon steel\u003c\/strong\u003e, these washers are engineered to \u003cstrong data-start=\"1135\" data-end=\"1187\"\u003ewithstand extreme torque, tension, and vibration\u003c\/strong\u003e without losing structural integrity.\u003c\/p\u003e\n\u003cp data-start=\"1226\" data-end=\"1546\"\u003eSAE washers feature a \u003cstrong data-start=\"1248\" data-end=\"1279\"\u003esmaller outer diameter (OD)\u003c\/strong\u003e than USS-style washers, making them ideal for use where spacing and clearance are tight—especially in \u003cstrong data-start=\"1382\" data-end=\"1433\"\u003eautomotive, aerospace, and mechanical equipment\u003c\/strong\u003e. The \u003cstrong data-start=\"1439\" data-end=\"1458\"\u003eextra thickness\u003c\/strong\u003e enhances load distribution and provides increased spacing when needed in bolted joints.\u003c\/p\u003e\n\u003cp data-start=\"1548\" data-end=\"1692\"\u003eFinished with a durable \u003cstrong data-start=\"1572\" data-end=\"1604\"\u003eyellow zinc chromate coating\u003c\/strong\u003e, these washers resist corrosion and provide a professional, high-visibility appearance.\u003c\/p\u003e\n\u003cp data-start=\"1694\" data-end=\"1841\"\u003eBuilt to \u003cstrong data-start=\"1703\" data-end=\"1729\"\u003eSAE and ASTM standards\u003c\/strong\u003e, these washers are an essential choice when durability, precision, and corrosion resistance are non-negotiable.\u003c\/p\u003e\n\u003chr data-start=\"1843\" data-end=\"1846\"\u003e\n\u003ch3 data-start=\"1848\" data-end=\"1871\"\u003e\u003cstrong data-start=\"1854\" data-end=\"1871\"\u003eKey Features:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1872\" data-end=\"2287\"\u003e\n\u003cli data-start=\"1872\" data-end=\"1929\"\u003e\n\u003cp data-start=\"1874\" data-end=\"1929\"\u003e\u003cstrong data-start=\"1874\" data-end=\"1887\"\u003eMaterial:\u003c\/strong\u003e Grade 8 Carbon Steel (SAE J429-compliant)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1930\" data-end=\"1977\"\u003e\n\u003cp data-start=\"1932\" data-end=\"1977\"\u003e\u003cstrong data-start=\"1932\" data-end=\"1945\"\u003eHardness:\u003c\/strong\u003e Thru-Hardened (Rockwell C38–45)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1978\" data-end=\"2048\"\u003e\n\u003cp data-start=\"1980\" data-end=\"2048\"\u003e\u003cstrong data-start=\"1980\" data-end=\"1991\"\u003eFinish:\u003c\/strong\u003e Yellow Zinc Plated (Zinc Chromate) – Corrosion Resistant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2049\" data-end=\"2117\"\u003e\n\u003cp data-start=\"2051\" data-end=\"2117\"\u003e\u003cstrong data-start=\"2051\" data-end=\"2064\"\u003eStandard:\u003c\/strong\u003e SAE (Smaller OD than USS for precision applications)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2118\" data-end=\"2197\"\u003e\n\u003cp data-start=\"2120\" data-end=\"2197\"\u003e\u003cstrong data-start=\"2120\" data-end=\"2134\"\u003eThickness:\u003c\/strong\u003e Extra Thick – For High Load Distribution \u0026amp; Spacer Applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2200\" data-end=\"2287\"\u003e\u003cstrong data-start=\"2200\" data-end=\"2214\"\u003eUse Cases:\u003c\/strong\u003e Automotive, Industrial Machinery, Tooling, Heavy Equipment, Construction\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eNominal Washer Size\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eInner Diameter (ID)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOuter Diameter (OD)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eThickness (Extra Thick)\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eHardness\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eTensile Strength\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eFinish\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/4\"\u003c\/td\u003e\n\u003ctd\u003e9\/32\" (0.281\")\u003c\/td\u003e\n\u003ctd\u003e9\/16\" (0.562\")\u003c\/td\u003e\n\u003ctd\u003e0.125\" – 0.135\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\/16\"\u003c\/td\u003e\n\u003ctd\u003e11\/32\" (0.344\")\u003c\/td\u003e\n\u003ctd\u003e11\/16\" (0.688\")\u003c\/td\u003e\n\u003ctd\u003e0.135\" – 0.145\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003ctd\u003e13\/32\" (0.406\")\u003c\/td\u003e\n\u003ctd\u003e13\/16\" (0.812\")\u003c\/td\u003e\n\u003ctd\u003e0.150\" – 0.165\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7\/16\"\u003c\/td\u003e\n\u003ctd\u003e15\/32\" (0.469\")\u003c\/td\u003e\n\u003ctd\u003e15\/16\" (0.938\")\u003c\/td\u003e\n\u003ctd\u003e0.160\" – 0.180\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\/2\"\u003c\/td\u003e\n\u003ctd\u003e17\/32\" (0.531\")\u003c\/td\u003e\n\u003ctd\u003e1-1\/16\" (1.062\")\u003c\/td\u003e\n\u003ctd\u003e0.170\" – 0.200\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e9\/16\"\u003c\/td\u003e\n\u003ctd\u003e19\/32\" (0.594\")\u003c\/td\u003e\n\u003ctd\u003e1-3\/16\" (1.188\")\u003c\/td\u003e\n\u003ctd\u003e0.180\" – 0.210\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e5\/8\"\u003c\/td\u003e\n\u003ctd\u003e11\/16\" (0.688\")\u003c\/td\u003e\n\u003ctd\u003e1-5\/16\" (1.312\")\u003c\/td\u003e\n\u003ctd\u003e0.200\" – 0.220\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e3\/4\"\u003c\/td\u003e\n\u003ctd\u003e13\/16\" (0.813\")\u003c\/td\u003e\n\u003ctd\u003e1-1\/2\" (1.500\")\u003c\/td\u003e\n\u003ctd\u003e0.220\" – 0.250\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1\"\u003c\/td\u003e\n\u003ctd\u003e1-1\/16\" (1.062\")\u003c\/td\u003e\n\u003ctd\u003e2\" (2.000\")\u003c\/td\u003e\n\u003ctd\u003e0.250\" – 0.300\"\u003c\/td\u003e\n\u003ctd\u003eHRC 38–45\u003c\/td\u003e\n\u003ctd\u003e≥150,000 psi\u003c\/td\u003e\n\u003ctd\u003eYellow Zinc Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"4616\" data-end=\"4678\"\u003e \u003c\/p\u003e\n\u003ch3 data-start=\"4685\" data-end=\"4710\"\u003e🛠️ \u003cstrong data-start=\"4693\" data-end=\"4710\"\u003eApplications:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"4711\" data-end=\"4897\"\u003e\n\u003cli data-start=\"4711\" data-end=\"4740\"\u003e\n\u003cp data-start=\"4713\" data-end=\"4740\"\u003eHigh-strength bolted joints\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4741\" data-end=\"4762\"\u003e\n\u003cp data-start=\"4743\" data-end=\"4762\"\u003ePrecision machinery\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4763\" data-end=\"4796\"\u003e\n\u003cp data-start=\"4765\" data-end=\"4796\"\u003eAutomotive repairs and upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4797\" data-end=\"4818\"\u003e\n\u003cp data-start=\"4799\" data-end=\"4818\"\u003eHydraulic equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4819\" data-end=\"4855\"\u003e\n\u003cp data-start=\"4821\" data-end=\"4855\"\u003eMilitary-grade hardware assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4856\" data-end=\"4897\"\u003e\n\u003cp data-start=\"4858\" data-end=\"4897\"\u003eAgricultural and construction equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4899\" data-end=\"4902\"\u003e\n\u003ch3 data-start=\"4904\" data-end=\"4938\"\u003e📘 \u003cstrong data-start=\"4911\" data-end=\"4938\"\u003eStandards \u0026amp; Compliance:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"4939\" data-end=\"5099\"\u003e\n\u003cli data-start=\"4939\" data-end=\"4957\"\u003e\n\u003cp data-start=\"4941\" data-end=\"4957\"\u003eSAE J429 Grade 8\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4958\" data-end=\"4997\"\u003e\n\u003cp data-start=\"4960\" data-end=\"4997\"\u003eASTM F436 (Material Class Equivalent)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4998\" data-end=\"5027\"\u003e\n\u003cp data-start=\"5000\" data-end=\"5027\"\u003eRoHS Compliant Zinc Coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"5028\" data-end=\"5099\"\u003e\n\u003cp data-start=\"5030\" data-end=\"5099\"\u003eMeets or exceeds torque\/tension performance specs for Grade 8 systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Brighton Best","offers":[{"title":"1\/4\" \/ 25 Pack","offer_id":44251240693951,"sku":"FW-SAEZ8-14THICK (25)","price":9.99,"currency_code":"USD","in_stock":true},{"title":"1\/4\" \/ 100 Pack","offer_id":44251240726719,"sku":"FW-SAEZ8-14THICK (100)","price":17.99,"currency_code":"USD","in_stock":true},{"title":"1\/4\" \/ 250 Pack","offer_id":44251240759487,"sku":"FW-SAEZ8-14THICK (250)","price":32.99,"currency_code":"USD","in_stock":true},{"title":"1\/4\" \/ 1000 Pack","offer_id":44251240792255,"sku":"FW-SAEZ8-14THICK (1000)","price":77.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\" \/ 25 Pack","offer_id":44251240825023,"sku":"FW-SAEZ8-516THICK (25)","price":9.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\" \/ 100 Pack","offer_id":44251240857791,"sku":"FW-SAEZ8-516THICK (100)","price":20.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\" \/ 250 Pack","offer_id":44251240890559,"sku":"FW-SAEZ8-516THICK (250)","price":38.99,"currency_code":"USD","in_stock":true},{"title":"5\/16\" \/ 1000 Pack","offer_id":44251240923327,"sku":"FW-SAEZ8-516THICK (1000)","price":93.99,"currency_code":"USD","in_stock":true},{"title":"3\/8\" \/ 25 Pack","offer_id":44251240956095,"sku":"FW-SAEZ8-38THICK (25)","price":11.99,"currency_code":"USD","in_stock":true},{"title":"3\/8\" \/ 100 Pack","offer_id":44251240988863,"sku":"FW-SAEZ8-38THICK (100)","price":28.99,"currency_code":"USD","in_stock":true},{"title":"3\/8\" \/ 250 Pack","offer_id":44251241021631,"sku":"FW-SAEZ8-38THICK (250)","price":56.99,"currency_code":"USD","in_stock":true},{"title":"3\/8\" \/ 1000 Pack","offer_id":44251241054399,"sku":"FW-SAEZ8-38THICK (1000)","price":140.99,"currency_code":"USD","in_stock":true},{"title":"7\/16\" \/ 25 Pack","offer_id":44251241087167,"sku":"FW-SAEZ8-716THICK (25)","price":12.99,"currency_code":"USD","in_stock":true},{"title":"7\/16\" \/ 100 Pack","offer_id":44251241119935,"sku":"FW-SAEZ8-716THICK (100)","price":32.99,"currency_code":"USD","in_stock":true},{"title":"7\/16\" \/ 250 Pack","offer_id":44251241152703,"sku":"FW-SAEZ8-716THICK (250)","price":65.99,"currency_code":"USD","in_stock":true},{"title":"7\/16\" \/ 1000 Pack","offer_id":44251241185471,"sku":"FW-SAEZ8-716THICK (1000)","price":166.99,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ 25 Pack","offer_id":44251241218239,"sku":"FW-SAEZ8-12THICK (25)","price":22.99,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ 100 Pack","offer_id":44251241251007,"sku":"FW-SAEZ8-12THICK (100)","price":58.99,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ 250 Pack","offer_id":44251241283775,"sku":"FW-SAEZ8-12THICK (250)","price":98.99,"currency_code":"USD","in_stock":true},{"title":"1\/2\" \/ 1000 Pack","offer_id":44251241316543,"sku":"FW-SAEZ8-12THICK (1000)","price":260.99,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ 10 Pack","offer_id":44251241349311,"sku":"FW-SAEZ8-58THICK (10)","price":15.99,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ 25 Pack","offer_id":44251241382079,"sku":"FW-SAEZ8-58THICK (25)","price":28.99,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ 100 Pack","offer_id":44251241414847,"sku":"FW-SAEZ8-58THICK (100)","price":82.9,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ 250 Pack","offer_id":44251241447615,"sku":"FW-SAEZ8-58THICK (250)","price":135.99,"currency_code":"USD","in_stock":true},{"title":"5\/8\" \/ 1000 Pack","offer_id":44251241480383,"sku":"FW-SAEZ8-58THICK (1000)","price":366.99,"currency_code":"USD","in_stock":true},{"title":"9\/16\" \/ 10 Pack","offer_id":44251241513151,"sku":"FW-SAEZ8-916THICK (10)","price":13.99,"currency_code":"USD","in_stock":true},{"title":"9\/16\" \/ 25 Pack","offer_id":44251241545919,"sku":"FW-SAEZ8-916THICK (25)","price":22.99,"currency_code":"USD","in_stock":true},{"title":"9\/16\" \/ 100 Pack","offer_id":44251241578687,"sku":"FW-SAEZ8-916THICK (100)","price":58.99,"currency_code":"USD","in_stock":true},{"title":"9\/16\" \/ 250 Pack","offer_id":44251241611455,"sku":"FW-SAEZ8-916THICK (250)","price":98.99,"currency_code":"USD","in_stock":true},{"title":"9\/16\" \/ 1000 Pack","offer_id":44251241644223,"sku":"FW-SAEZ8-916THICK (1000)","price":260.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ 10 Pack","offer_id":44251241676991,"sku":"FW-SAEZ8-34THICK (10)","price":17.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ 25 Pack","offer_id":44251241709759,"sku":"FW-SAEZ8-34THICK (25)","price":32.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ 100 Pack","offer_id":44251241742527,"sku":"FW-SAEZ8-34THICK (100)","price":103.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ 250 Pack","offer_id":44251241775295,"sku":"FW-SAEZ8-34THICK (250)","price":189.99,"currency_code":"USD","in_stock":true},{"title":"3\/4\" \/ 1000 Pack","offer_id":44251241808063,"sku":"FW-SAEZ8-34THICK (1000)","price":399.99,"currency_code":"USD","in_stock":true},{"title":"7\/8\" \/ 10 Pack","offer_id":44251241840831,"sku":"FW-SAEZ8-78THICK (10)","price":32.99,"currency_code":"USD","in_stock":true},{"title":"7\/8\" \/ 25 Pack","offer_id":44251241873599,"sku":"FW-SAEZ8-78THICK (25)","price":53.99,"currency_code":"USD","in_stock":true},{"title":"7\/8\" \/ 100 Pack","offer_id":44251241906367,"sku":"FW-SAEZ8-78THICK (100)","price":135.99,"currency_code":"USD","in_stock":true},{"title":"7\/8\" \/ 250 Pack","offer_id":44251241939135,"sku":"FW-SAEZ8-78THICK (250)","price":228.99,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 5 Pack","offer_id":44251241971903,"sku":"FW-SAEZ8-1THICK (5)","price":22.99,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 10 Pack","offer_id":44251242004671,"sku":"FW-SAEZ8-1THICK (10)","price":39.99,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 25 Pack","offer_id":44251242037439,"sku":"FW-SAEZ8-1THICK (25)","price":66.99,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 100 Pack","offer_id":44251242070207,"sku":"FW-SAEZ8-1THICK (100)","price":164.99,"currency_code":"USD","in_stock":true},{"title":"1\" \/ 250 Pack","offer_id":44251242102975,"sku":"FW-SAEZ8-1THICK (250)","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0026\/8976\/1392\/files\/51g-8RwixGL.jpg?v=1750114312","url":"https:\/\/fastenersinc.myshopify.com\/products\/extra-thick-flat-washer-sae-grade-8-yellow-zinc-plated-thru-hardened-mcx-style-all-sizes","provider":"Fasteners Inc","version":"1.0","type":"link"}