{"product_id":"a2-stainless-steel-button-head-allen-screws-with-nyloc-nuts-washers-complete-kits-m4-m5-m6","title":"A2 Stainless Steel Button Head Allen Screws with Nyloc Nuts \u0026 Washers – Complete Kits M4 M5 M6","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cmeta content=\"width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=yes\" name=\"viewport\"\u003e\u003c\/p\u003e\n\u003cstyle\u003e\n \/* ========================\n Prefix: hd-bnw- (prevents theme conflicts)\n Encapsulated styles for Shopify product description\n ======================== *\/\n .hd-bnw-wrapper {\n width: 100%;\n margin: 0;\n padding: 0;\n box-sizing: border-box;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n color: #1a1a1a;\n line-height: 1.5;\n background: transparent;\n }\n .hd-bnw-wrapper *,\n .hd-bnw-wrapper *::before,\n .hd-bnw-wrapper *::after {\n box-sizing: inherit;\n }\n .hd-bnw-container {\n max-width: 1400px;\n margin: 0 auto;\n padding: 1.5rem 1rem;\n background: #ffffff;\n }\n \/* Typography *\/\n .hd-bnw-title {\n font-size: 1.9rem;\n font-weight: 600;\n margin: 0 0 0.5rem 0;\n letter-spacing: -0.01em;\n line-height: 1.2;\n color: #0a0a0a;\n }\n .hd-bnw-brand {\n font-size: 1rem;\n color: #2c7da0;\n margin-bottom: 1rem;\n font-weight: 500;\n display: inline-block;\n background: #eef4fc;\n padding: 0.2rem 0.8rem;\n border-radius: 30px;\n }\n .hd-bnw-section-title {\n font-size: 1.6rem;\n font-weight: 600;\n margin: 1.8rem 0 1rem 0;\n padding-bottom: 0.5rem;\n border-bottom: 3px solid #2c7da0;\n display: inline-block;\n color: #0b3b4f;\n }\n .hd-bnw-description {\n font-size: 1rem;\n margin: 1rem 0 1.2rem;\n color: #2c2c2c;\n }\n \/* Features list - vertical layout (SEO friendly) *\/\n .hd-bnw-features-list {\n list-style: none;\n padding: 0;\n margin: 1.2rem 0 1.8rem;\n }\n .hd-bnw-features-list li {\n padding: 0.75rem 0 0.75rem 1.8rem;\n position: relative;\n font-size: 1rem;\n border-bottom: 1px solid #f0f0f0;\n }\n .hd-bnw-features-list li:last-child {\n border-bottom: none;\n }\n .hd-bnw-features-list li::before {\n content: \"✅\";\n position: absolute;\n left: 0;\n top: 0.75rem;\n font-size: 1rem;\n }\n \/* Table styles *\/\n .hd-bnw-table-wrapper {\n overflow-x: auto;\n margin: 1.5rem 0 1rem;\n border-radius: 16px;\n border: 1px solid #e2e8f0;\n background: #ffffff;\n }\n .hd-bnw-specs-table {\n width: 100%;\n border-collapse: collapse;\n font-size: 0.9rem;\n min-width: 550px;\n }\n .hd-bnw-specs-table th,\n .hd-bnw-specs-table td {\n padding: 0.9rem 0.8rem;\n text-align: left;\n border-bottom: 1px solid #e9ecef;\n }\n .hd-bnw-specs-table th {\n background-color: #f1f9fe;\n font-weight: 700;\n color: #0b3b4f;\n font-size: 0.9rem;\n }\n .hd-bnw-specs-table tr:last-child td {\n border-bottom: none;\n }\n .hd-bnw-note {\n background: #f8fafc;\n padding: 0.8rem 1rem;\n border-radius: 12px;\n font-size: 0.85rem;\n color: #2c5a74;\n margin: 0.8rem 0 1rem;\n border-left: 4px solid #2c7da0;\n }\n \/* FAQ section - fully expanded, no accordion *\/\n .hd-bnw-faq-item {\n margin-bottom: 1.5rem;\n border-bottom: 1px solid #e9ecef;\n padding-bottom: 1.2rem;\n }\n .hd-bnw-faq-question {\n font-weight: 700;\n font-size: 1.05rem;\n margin: 0 0 0.5rem 0;\n color: #0f4c5f;\n display: flex;\n align-items: center;\n gap: 8px;\n }\n .hd-bnw-faq-question::before {\n content: \"🔧\";\n font-size: 1.1rem;\n }\n .hd-bnw-faq-answer {\n font-size: 0.95rem;\n color: #2d3e50;\n line-height: 1.5;\n margin-left: 1.2rem;\n }\n \/* Responsive *\/\n @media (max-width: 768px) {\n .hd-bnw-container {\n padding: 1rem 0.9rem;\n }\n .hd-bnw-title {\n font-size: 1.6rem;\n }\n .hd-bnw-section-title {\n font-size: 1.4rem;\n }\n .hd-bnw-specs-table th,\n .hd-bnw-specs-table td {\n padding: 0.7rem 0.5rem;\n font-size: 0.8rem;\n }\n }\n .hd-bnw-divider {\n height: 1px;\n background: #e9ecef;\n margin: 1.5rem 0;\n }\n .hd-bnw-text-small {\n font-size: 0.85rem;\n color: #5a6874;\n }\n \u003c\/style\u003e\n\u003cdiv class=\"hd-bnw-wrapper\"\u003e\n\u003cdiv class=\"hd-bnw-container\"\u003e\n\u003c!-- Product title (customer-facing) --\u003e\n\u003ch1 class=\"hd-bnw-title\"\u003e🔩 A2 Stainless Steel Button Head Allen Screws with Nyloc Nuts \u0026amp; Washers – Complete Fastener Kits (M4, M5, M6)\u003c\/h1\u003e\n\u003cdiv class=\"hd-bnw-brand\"\u003e🏷️ Brand: HomeDIYer Fastener | ISO7380 + DIN985 + Form A Washer | A2-70 | Bits Included\u003c\/div\u003e\n\u003c!-- Product Overview: natural, solution-oriented --\u003e\n\u003cdiv class=\"hd-bnw-description\"\u003e\n\u003cstrong\u003e📌 Overview — Everything you need for a secure, vibration-proof assembly in one convenient kit.\u003c\/strong\u003e Stop hunting for matching nuts and washers. Our \u003cstrong\u003eButton Head Allen Screws with Nyloc Nuts and Washers\u003c\/strong\u003e provide a complete fastening solution for M4, M5, and M6 applications. The low-profile button head and hex socket drive deliver a clean, professional look while allowing high torque without stripping. Each screw comes with a Nyloc (nylon insert) locking nut that prevents loosening from vibration, plus a standard flat washer to protect your work surface. Made from A2-70 stainless steel, these kits resist rust and corrosion — ideal for marine equipment, outdoor furniture, automotive projects, and industrial machinery. Plus, we include the correct screwdriver bits so you can start working right away. Choose your length and quantity – perfect for mechanics, DIYers, and maintenance pros.\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-description\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/KAY09_11.jpg?v=1776760142\" alt=\"\"\u003e\u003c\/div\u003e\n\u003c!-- Features: vertical list for SEO \u0026 readability --\u003e\n\u003ch2 class=\"hd-bnw-section-title\"\u003e✨ Key Features of Button Head Screw Kits with Nyloc Nuts \u0026amp; Washers\u003c\/h2\u003e\n\u003cul class=\"hd-bnw-features-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete 3-in-1 Kit\u003c\/strong\u003e – Each screw comes with one Nyloc nut (DIN985) and one flat washer (Form A) – no separate sourcing needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eButton Head \u0026amp; Hex Socket Drive\u003c\/strong\u003e – Sleek low-profile dome head with Allen key drive (2.5mm, 3mm, 4mm) for high torque and a flush finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNyloc Locking Nuts\u003c\/strong\u003e – Nylon insert grips the threads to prevent loosening from shock, vibration, and thermal cycling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA2-70 Stainless Steel (304 equivalent)\u003c\/strong\u003e – Maximum corrosion resistance for outdoor, marine, and humid environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Threaded Screws\u003c\/strong\u003e – Consistent grip along the entire length; length measured from under the head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrewdriver Bits Included\u003c\/strong\u003e – Each kit comes with the correct Allen (hex) bits for the screws – no extra trip to the hardware store.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric Sizes M4, M5, M6\u003c\/strong\u003e – Perfect for electronics enclosures, machinery guards, furniture assembly, and general fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/KAY09_9.jpg?v=1776760142\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c!-- Specifications Table: detailed dimensions for each component --\u003e\n\u003ch2 class=\"hd-bnw-section-title\"\u003e📏 Technical Specifications – Screw, Nyloc Nut \u0026amp; Washer Dimensions\u003c\/h2\u003e\n\u003cdiv class=\"hd-bnw-table-wrapper\"\u003e\n\u003ctable class=\"hd-bnw-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003cth\u003eThread Pitch (mm)\u003c\/th\u003e\n\u003cth\u003eHead Diameter (mm)\u003c\/th\u003e\n\u003cth\u003eAllen Key Size (mm)\u003c\/th\u003e\n\u003cth\u003eNut Spanner Size (mm)\u003c\/th\u003e\n\u003cth\u003eWasher OD (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e7.6\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e9.5\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e10.5\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-note\"\u003e💡 \u003cstrong\u003eKit contents \u0026amp; ordering:\u003c\/strong\u003e Each set includes: 1x Button Head Screw (fully threaded) + 1x Nyloc Nut (DIN985) + 1x Flat Washer (Form A). \u003cstrong\u003eChoose your length\u003c\/strong\u003e (e.g., 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 40mm, 50mm) and quantity. Screwdriver bits (Allen keys) are included with your order – one bit per size or a multi-bit driver, depending on the pack. Contact us for bulk or custom assortments.\u003c\/div\u003e\n\u003c!-- Additional note on Nyloc locking --\u003e\n\u003cdiv class=\"hd-bnw-note\" style=\"background: #fef9e6; border-left-color: #e6a017;\"\u003e🔒 \u003cstrong\u003eWhy Nyloc nuts?\u003c\/strong\u003e The nylon insert creates friction against the male thread, making these nuts ideal for high-vibration applications like engines, pumps, and outdoor equipment. They can be reused several times while still retaining good locking performance.\u003c\/div\u003e\n\u003c!-- FAQ section (expanded, no accordion) --\u003e\n\u003ch2 class=\"hd-bnw-section-title\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/KAY09_11.jpg?v=1776760142\" alt=\"\"\u003e❓ Frequently Asked Questions – Button Head Screw Kits with Nyloc Nuts \u0026amp; Washers\u003c\/h2\u003e\n\u003cdiv class=\"hd-bnw-faq-item\"\u003e\n\u003cdiv class=\"hd-bnw-faq-question\"\u003eWhat is included in each kit? Do I get the screwdriver bits for free?\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-answer\"\u003e✅ Each screw is supplied with one Nyloc nut and one flat washer. Additionally, we include the necessary Allen (hex) screwdriver bits to drive the screws (one bit per size, or a multi-bit tool depending on pack size). No need to buy extra tools – you're ready to assemble right out of the box.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-item\"\u003e\n\u003cdiv class=\"hd-bnw-faq-question\"\u003eCan I reuse the Nyloc nuts after removing them?\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-answer\"\u003e🔄 Yes, Nyloc nuts can be reused several times. The nylon insert deforms slightly to grip the threads, so after 5-10 cycles, the locking torque may reduce. For safety-critical or high-vibration applications, we recommend replacing them with fresh nuts. For general DIY, reuse is perfectly fine.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-item\"\u003e\n\u003cdiv class=\"hd-bnw-faq-question\"\u003eAre these screws fully threaded? What lengths are available?\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-answer\"\u003e📏 Yes, all screws are fully threaded for maximum grip. Lengths are measured from under the head. Common lengths include 10mm, 12mm, 16mm, 20mm, 25mm, 30mm, 40mm, 50mm – you choose the exact length when ordering. Custom lengths available upon request for bulk orders.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-item\"\u003e\n\u003cdiv class=\"hd-bnw-faq-question\"\u003eWhat materials are these fasteners suitable for?\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-answer\"\u003e⚙️ The A2-70 stainless steel construction provides excellent corrosion resistance, making it ideal for outdoor furniture, marine hardware, automotive trim, industrial machinery, and food processing equipment. The included washer protects softer materials (aluminum, plastic, wood) from surface damage.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-item\"\u003e\n\u003cdiv class=\"hd-bnw-faq-question\"\u003eWhat spanner\/wrench size do I need for the Nyloc nuts?\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-faq-answer\"\u003e🔧 M4 nut uses 7mm spanner, M5 uses 8mm, M6 uses 10mm. Standard metric combination wrenches or sockets work perfectly. The hex head of the button screw requires Allen keys (included).\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-divider\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"hd-bnw-text-small\" style=\"text-align: center; margin-top: 1rem;\"\u003e⚙️ \u003cstrong\u003eHomeDIYer Fastener\u003c\/strong\u003e — Complete fastener kits for professionals and makers. Order your exact size, length, and quantity today.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M4 \/ 12mm \/ 50","offer_id":52196969054482,"sku":"KAYFST09-1","price":7.85,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 14mm \/ 50","offer_id":52196969087250,"sku":"KAYFST09-2","price":8.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 16mm \/ 50","offer_id":52196969120018,"sku":"KAYFST09-3","price":8.0,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 20mm \/ 50","offer_id":52196969152786,"sku":"KAYFST09-4","price":8.3,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 30mm \/ 50","offer_id":52196969185554,"sku":"KAYFST09-5","price":8.6,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 35mm \/ 30","offer_id":52196969218322,"sku":"KAYFST09-6","price":7.72,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 40mm \/ 30","offer_id":52196969251090,"sku":"KAYFST09-7","price":7.81,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 50mm \/ 30","offer_id":52196969283858,"sku":"KAYFST09-8","price":8.17,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 12mm \/ 50","offer_id":52196969349394,"sku":"KAYFST09-10","price":8.67,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 14mm \/ 50","offer_id":52196969382162,"sku":"KAYFST09-11","price":8.82,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 16mm \/ 50","offer_id":52196969414930,"sku":"KAYFST09-12","price":8.97,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 20mm \/ 50","offer_id":52196969447698,"sku":"KAYFST09-13","price":9.33,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 30mm \/ 50","offer_id":52196969513234,"sku":"KAYFST09-15","price":10.08,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 35mm \/ 30","offer_id":52196969546002,"sku":"KAYFST09-16","price":8.57,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 40mm \/ 30","offer_id":52196969578770,"sku":"KAYFST09-17","price":8.75,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 50mm \/ 30","offer_id":52196969644306,"sku":"KAYFST09-19","price":9.26,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 10mm \/ 50","offer_id":52196969316626,"sku":"KAYFST09-9","price":8.52,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 25mm \/ 50","offer_id":52196969480466,"sku":"KAYFST09-14","price":9.63,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 45mm \/ 30","offer_id":52196969611538,"sku":"KAYFST09-18","price":9.08,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 60mm \/ 30","offer_id":52196969677074,"sku":"KAYFST09-20","price":10.07,"currency_code":"USD","in_stock":true},{"title":"M5 \/ 70mm \/ 30","offer_id":52196969709842,"sku":"KAYFST09-21","price":10.97,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 12mm \/ 50","offer_id":52196969742610,"sku":"KAYFST09-22","price":9.0,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 20mm \/ 50","offer_id":52196969775378,"sku":"KAYFST09-23","price":9.6,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 30mm \/ 50","offer_id":52196969840914,"sku":"KAYFST09-25","price":10.35,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 35mm \/ 50","offer_id":52196969873682,"sku":"KAYFST09-26","price":10.89,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 40mm \/ 30","offer_id":52196969906450,"sku":"KAYFST09-27","price":8.97,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 50mm \/ 30","offer_id":52196969939218,"sku":"KAYFST09-28","price":9.42,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 25mm \/ 50","offer_id":52196969808146,"sku":"KAYFST09-24","price":9.9,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 70mm \/ 30","offer_id":52196970004754,"sku":"KAYFST09-30","price":11.37,"currency_code":"USD","in_stock":true},{"title":"M6 \/ 55mm \/ 30","offer_id":52196969971986,"sku":"KAYFST09-29","price":9.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/09_f26d784c-baf2-4ae3-87a8-07dd1e6046ee.jpg?v=1776760236","url":"https:\/\/homediyer.com\/products\/a2-stainless-steel-button-head-allen-screws-with-nyloc-nuts-washers-complete-kits-m4-m5-m6","provider":"HomeDIYer","version":"1.0","type":"link"}