{"product_id":"1-4-20-hex-bolt-nut-washer-assortment-kit-304-stainless-steel-192pc","title":"64Pcs 1\/4''-20 Hex Head Bolts And Nut \u0026 Washer Assortment Kit 304 Stainless Steel","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\"@type\": \"Question\", \"name\": \"What sizes are included in this bolt and nut assortment kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit includes four bolt lengths in 1\/4\\\"-20 thread: 1-1\/2\\\", 2\\\", 2-1\/2\\\", and 3\\\". Each length is paired with matching hex nuts, flat washers, and spring washers, totaling 192 pieces across all components.\"}},\n    {\"@type\": \"Question\", \"name\": \"What grade of stainless steel are these bolts and nuts made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All hardware in this kit is made from 304 stainless steel, which offers strong corrosion resistance, good tensile strength, and resistance to oxidation — suitable for both indoor and outdoor applications.\"}},\n    {\"@type\": \"Question\", \"name\": \"Are these bolts suitable for outdoor use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 304 stainless steel provides good rust and oxidation resistance for general outdoor environments. For highly corrosive environments such as marine or coastal applications, 316 stainless steel is generally recommended.\"}},\n    {\"@type\": \"Question\", \"name\": \"What thread pitch do these bolts use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"All bolts in this kit use 1\/4\\\"-20 UNC (Unified National Coarse) thread, which is one of the most common thread standards in the SAE system.\"}},\n    {\"@type\": \"Question\", \"name\": \"What is the difference between the flat washer and spring washer included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Flat washers distribute the clamping load over a larger surface area to prevent damage to the workpiece. Spring washers (split lock washers) add tension to resist loosening from vibration. Using both together provides maximum holding security.\"}},\n    {\"@type\": \"Question\", \"name\": \"What applications are these bolts and nuts suitable for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This kit is suitable for machinery assembly, furniture hardware, electronic enclosures, household appliances, lighting fixtures, and general DIY fastening projects requiring 1\/4\\\"-20 hardware.\"}},\n    {\"@type\": \"Question\", \"name\": \"How are the pieces organized in the storage box?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The kit comes in a compartmentalized storage box with separate sections for each bolt length and hardware type, keeping all 192 pieces sorted and easy to access without mixing.\"}}\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e1\/4\"-20 Hex Bolt, Nut \u0026amp; Washer Assortment Kit — 192-Piece 304 Stainless Steel Fastener Set in 4 Lengths\u003c\/h2\u003e\n    \u003cp\u003eRunning out of the right bolt length mid-project — or worse, grabbing a fastener that rusts out within a season — is one of the most avoidable frustrations in any workshop or job site. Whether you're assembling furniture, mounting equipment, or making repairs around the house, having a well-stocked assortment of corrosion-resistant 1\/4\"-20 hardware on hand means you're never one bolt short of finishing the job.\u003c\/p\u003e\n    \u003cp\u003eThis 192-piece kit covers four bolt lengths in the 1\/4\"-20 UNC thread standard: 1-1\/2\", 2\", 2-1\/2\", and 3\" hex head cap screws, each paired with matching hex nuts, flat washers, and split spring washers. All hardware is 304 stainless steel for rust and oxidation resistance. The full set is organized in a compartmentalized storage box with separate sections for each size and hardware type.\u003c\/p\u003e\n    \u003cp\u003eUse this assortment for machinery and equipment assembly requiring 1\/4\"-20 fasteners, furniture and shelving hardware installation, electronic enclosure and panel mounting, lighting fixture installation, and general DIY home improvement projects. The four-length range covers the most common bolt lengths needed for through-bolting panels, brackets, and structural connections in the 1\/4\" diameter class.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    \u003cstrong\u003eThread Standard:\u003c\/strong\u003e 1\/4\"-20 UNC (SAE) · Hex Head · Fits Standard 1\/4\"-20 Nuts \u0026amp; Tapped Holes\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    304 stainless steel is suitable for general outdoor use. For marine or highly corrosive environments, 316 stainless steel is recommended. Always verify thread compatibility before installation.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of This 1\/4\"-20 Bolt and Nut Assortment Kit\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e \u003cstrong\u003e192-Piece Complete Assortment:\u003c\/strong\u003e Four bolt lengths (1-1\/2\", 2\", 2-1\/2\", 3\") each with matching hex nuts, flat washers, and spring washers — everything needed for a secure, vibration-resistant fastened joint.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🪨\u003c\/span\u003e \u003cstrong\u003e304 Stainless Steel Throughout:\u003c\/strong\u003e All bolts, nuts, and washers are 304 SS for consistent corrosion resistance, tensile strength, and oxidation resistance across the entire kit — no mixed-grade hardware.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔐\u003c\/span\u003e \u003cstrong\u003eFlat + Spring Washer Pairing:\u003c\/strong\u003e Each bolt set includes both a flat washer (load distribution) and a split spring washer (vibration resistance), providing maximum holding security without additional hardware.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003e1\/4\"-20 UNC Standard Thread:\u003c\/strong\u003e One of the most widely used SAE thread specifications — compatible with standard tapped holes, threaded inserts, and off-the-shelf 1\/4\"-20 hardware across tools and equipment.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e \u003cstrong\u003eCompartmentalized Storage Box:\u003c\/strong\u003e Separate sections for each bolt length and hardware type keep all 192 pieces sorted and immediately accessible — no digging through a mixed bag to find the right size.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏠\u003c\/span\u003e \u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Suitable for machinery assembly, furniture hardware, electronic enclosures, household appliances, lighting fixtures, and general DIY fastening wherever 1\/4\"-20 hardware is specified.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — 1\/4\"-20 Stainless Steel Bolt \u0026amp; Nut Kit\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Pieces\u003c\/th\u003e\n\u003ctd\u003e192 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Size \u0026amp; Pitch\u003c\/th\u003e\n\u003ctd\u003e1\/4\"-20 UNC (SAE)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eBolt Lengths Included\u003c\/th\u003e\n\u003ctd\u003e1-1\/2\", 2\", 2-1\/2\", 3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eHex head cap screw\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHardware Per Length\u003c\/th\u003e\n\u003ctd\u003eHex head bolt + hex nut + flat washer + spring washer\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 stainless steel (all components)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless (rust \u0026amp; oxidation resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eSAE \/ UNC\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eCompartmentalized plastic storage box\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSet Weight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat sizes are included in this bolt and nut assortment kit?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe kit includes four bolt lengths in 1\/4\"-20 thread: 1-1\/2\", 2\", 2-1\/2\", and 3\". Each length is paired with matching hex nuts, flat washers, and spring washers, totaling 192 pieces across all components.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat grade of stainless steel are these bolts and nuts made from?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll hardware in this kit is made from 304 stainless steel, which offers strong corrosion resistance, good tensile strength, and resistance to oxidation — suitable for both indoor and general outdoor applications.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat thread pitch do these bolts use?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll bolts in this kit use 1\/4\"-20 UNC (Unified National Coarse) thread, one of the most common thread standards in the SAE system. They are compatible with standard 1\/4\"-20 nuts, tapped holes, and threaded inserts.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eAre these bolts suitable for outdoor use?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. 304 stainless steel provides good rust and oxidation resistance for general outdoor environments. For highly corrosive environments such as marine or coastal applications, 316 stainless steel is generally recommended.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat is the difference between the flat washer and spring washer included?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFlat washers distribute the clamping load over a larger surface area to prevent damage to the workpiece. Spring washers (split lock washers) add tension to resist loosening from vibration. Using both together provides maximum holding security for the fastened joint.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eWhat applications are these bolts and nuts suitable for?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThis kit is suitable for machinery assembly, furniture hardware, electronic enclosures, household appliances, lighting fixtures, and general DIY fastening projects requiring 1\/4\"-20 hardware in lengths from 1-1\/2\" to 3\".\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n    \u003cdetails\u003e\u003csummary\u003eHow are the pieces organized in the storage box?\u003c\/summary\u003e\u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe kit comes in a compartmentalized storage box with separate sections for each bolt length and hardware type, keeping all 192 pieces sorted and easy to access without mixing sizes together.\u003c\/p\u003e\u003c\/div\u003e\u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Add to cart above to get your 192-piece 1\/4\"-20 stainless steel fastener kit.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056245178642,"sku":"UK-MZTZ0002","price":34.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/NSRJ_51SKUC455BBX71K_O2.png?v=1762199412","url":"https:\/\/homediyer.com\/products\/1-4-20-hex-bolt-nut-washer-assortment-kit-304-stainless-steel-192pc","provider":"HomeDIYer","version":"1.0","type":"link"}