{"title":"DIN 917 Class 4 Steel Zinc Plated Cap Nut — Low Profile Thin Pattern","description":"\u003ch1\u003eDIN 917 Cap Nut — Low Profile Thin Pattern | Class 4 Steel Zinc Plated (Cr3)\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 917 cap nuts are manufactured to the DIN 917 low-profile thin-pattern standard in low carbon steel with a zinc plated (Cr3 \/ trivalent chromium) surface finish. Rated at Class 4 strength, these cap nuts provide reliable mechanical performance and good corrosion resistance for general industrial, automotive, and construction fastening applications. The closed domed top protects bolt ends from contamination, damage, and corrosion while delivering a clean, finished appearance.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eAttribute\u003c\/th\u003e\n      \u003cth\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eDIN 917\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eLow Profile Thin Pattern Cap Nut (Acorn Nut \/ Dome Nut)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eLow Carbon Steel (Q195 \/ equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd\u003eZinc Plated — Trivalent Chromium Cr3 (RoHS Compliant, Blue-White Finish)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStrength Class\u003c\/td\u003e\n\u003ctd\u003eClass 4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eThread Type\u003c\/td\u003e\n\u003ctd\u003eMetric Coarse Thread (ISO 68-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSize Range\u003c\/td\u003e\n\u003ctd\u003eM3 – M20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDrive Type\u003c\/td\u003e\n\u003ctd\u003eHexagonal (Wrench \/ Spanner)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRoHS Compliance\u003c\/td\u003e\n\u003ctd\u003eYes — Cr3 (Trivalent Chromium), Hexavalent Chromium (Cr6) Free\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDimensional Data (DIN 917 — Low Profile Thin Pattern)\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in millimeters (mm). Tolerances per DIN 917 \/ ISO 4759-1.\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;font-size:13px;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eThread\u003cbr\u003ed\u003c\/th\u003e\n      \u003cth\u003ePitch\u003cbr\u003ep (mm)\u003c\/th\u003e\n      \u003cth\u003eWidth Across\u003cbr\u003eFlats s (mm)\u003c\/th\u003e\n      \u003cth\u003eWidth Across\u003cbr\u003eCorners e (mm)\u003c\/th\u003e\n      \u003cth\u003eTotal Height\u003cbr\u003em (mm)\u003c\/th\u003e\n      \u003cth\u003eCap Height\u003cbr\u003eh (mm)\u003c\/th\u003e\n      \u003cth\u003eCap Inner\u003cbr\u003eDia. dk (mm)\u003c\/th\u003e\n      \u003cth\u003eCap Inner\u003cbr\u003eDepth t (mm)\u003c\/th\u003e\n      \u003cth\u003eUnit Weight\u003cbr\u003e(g\/pc)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003e6.01\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003e2.4\u003c\/td\u003e\n\u003ctd\u003e3.4\u003c\/td\u003e\n\u003ctd\u003e1.8\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003ctd\u003e7.66\u003c\/td\u003e\n\u003ctd\u003e6.5\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e2.2\u003c\/td\u003e\n\u003ctd\u003e1.1\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\u003e8.0\u003c\/td\u003e\n\u003ctd\u003e8.79\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003e2.8\u003c\/td\u003e\n\u003ctd\u003e1.9\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\u003e10.0\u003c\/td\u003e\n\u003ctd\u003e11.05\u003c\/td\u003e\n\u003ctd\u003e9.0\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e6.5\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003ctd\u003e3.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e1.25\u003c\/td\u003e\n\u003ctd\u003e13.0\u003c\/td\u003e\n\u003ctd\u003e14.38\u003c\/td\u003e\n\u003ctd\u003e11.0\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e8.6\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e7.1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e1.5\u003c\/td\u003e\n\u003ctd\u003e17.0\u003c\/td\u003e\n\u003ctd\u003e18.90\u003c\/td\u003e\n\u003ctd\u003e14.0\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e10.6\u003c\/td\u003e\n\u003ctd\u003e4.8\u003c\/td\u003e\n\u003ctd\u003e14.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003ctd\u003e19.0\u003c\/td\u003e\n\u003ctd\u003e21.10\u003c\/td\u003e\n\u003ctd\u003e16.0\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003ctd\u003e12.6\u003c\/td\u003e\n\u003ctd\u003e5.6\u003c\/td\u003e\n\u003ctd\u003e20.8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM14\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e22.0\u003c\/td\u003e\n\u003ctd\u003e24.49\u003c\/td\u003e\n\u003ctd\u003e19.0\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003ctd\u003e14.6\u003c\/td\u003e\n\u003ctd\u003e6.4\u003c\/td\u003e\n\u003ctd\u003e35.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM16\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e24.0\u003c\/td\u003e\n\u003ctd\u003e26.75\u003c\/td\u003e\n\u003ctd\u003e21.0\u003c\/td\u003e\n\u003ctd\u003e9.0\u003c\/td\u003e\n\u003ctd\u003e16.6\u003c\/td\u003e\n\u003ctd\u003e7.2\u003c\/td\u003e\n\u003ctd\u003e47.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e30.0\u003c\/td\u003e\n\u003ctd\u003e33.53\u003c\/td\u003e\n\u003ctd\u003e25.0\u003c\/td\u003e\n\u003ctd\u003e11.0\u003c\/td\u003e\n\u003ctd\u003e20.6\u003c\/td\u003e\n\u003ctd\u003e9.0\u003c\/td\u003e\n\u003ctd\u003e90.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e* Unit weights are approximate reference values for low carbon steel (density ≈ 7.85 g\/cm³). Actual weights may vary slightly by batch. Zinc coating adds negligible weight.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eZinc Plating (Cr3) — Coating Specification\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePlating Type\u003c\/td\u003e\n\u003ctd\u003eElectrolytic Zinc Plating\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePassivation\u003c\/td\u003e\n\u003ctd\u003eTrivalent Chromium (Cr3) — Blue-White Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChromium Type\u003c\/td\u003e\n\u003ctd\u003eCr3 (Hexavalent Chromium Cr6 Free)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRoHS Compliant\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTypical Coating Thickness\u003c\/td\u003e\n\u003ctd\u003e5–12 μm (per ISO 4042)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSalt Spray Resistance\u003c\/td\u003e\n\u003ctd\u003e≥ 72 hours (white rust) per ISO 9227\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eBright blue-white metallic finish\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSelection Guide\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eApplication Requirement\u003c\/th\u003e\n      \u003cth\u003eRecommended Specification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGeneral indoor mechanical assembly\u003c\/td\u003e\n\u003ctd\u003eM3–M10, Class 4, Zinc Cr3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAutomotive body \u0026amp; trim panels\u003c\/td\u003e\n\u003ctd\u003eM5–M12, Class 4, Zinc Cr3 (RoHS)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElectrical enclosures \u0026amp; control panels\u003c\/td\u003e\n\u003ctd\u003eM3–M8, Class 4, Zinc Cr3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLight structural \/ construction framing\u003c\/td\u003e\n\u003ctd\u003eM8–M20, Class 4, Zinc Cr3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFurniture \u0026amp; shelving hardware\u003c\/td\u003e\n\u003ctd\u003eM4–M10, Class 4, Zinc Cr3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAgricultural \u0026amp; garden equipment\u003c\/td\u003e\n\u003ctd\u003eM6–M16, Class 4, Zinc Cr3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBolt-end protection (aesthetic finish)\u003c\/td\u003e\n\u003ctd\u003eM3–M20, Class 4, Zinc Cr3 — bright appearance\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eStandard Reference\u003c\/h2\u003e\n\u003cp\u003eDIN 917 specifies \u003cstrong\u003elow-profile thin-pattern cap nuts\u003c\/strong\u003e with a closed domed top that covers and protects the bolt end. Key standard relationships:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 917\u003c\/strong\u003e — Low profile thin pattern cap nut (this product)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 1587\u003c\/strong\u003e — High profile cap nut (taller dome, deeper cap cavity)\u003c\/li\u003e\n  \u003cli\u003eThread tolerance: 6H per ISO 965-1\u003c\/li\u003e\n  \u003cli\u003eMechanical properties: Class 4 per ISO 898-2\u003c\/li\u003e\n  \u003cli\u003eDimensional tolerance: ISO 4759-1 Product Grade A (M3–M16), Grade B (M20)\u003c\/li\u003e\n  \u003cli\u003eZinc plating standard: ISO 4042 \/ DIN 50979\u003c\/li\u003e\n  \u003cli\u003eSalt spray test: ISO 9227\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Gallery\u003c\/h2\u003e\n\u003cp\u003eDIN 917 Class 4 Steel Zinc Plated Cap Nut — actual product photos:\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"8\" cellspacing=\"0\" style=\"width:100%;text-align:center;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%;vertical-align:top;\"\u003e[Product Image 1]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;vertical-align:top;\"\u003e[Product Image 2]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;vertical-align:top;\"\u003e[Product Image 3]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;vertical-align:top;\"\u003e[Product Image 4]\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy FULLERKREG\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eDirect Manufacturer\u003c\/strong\u003e — Produced in our own facility with full process control from raw material to finished part\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStrict DIN Compliance\u003c\/strong\u003e — Every batch dimensionally verified against DIN 917 drawings; mechanical properties certified to Class 4 (ISO 898-2)\u003c\/li\u003e\n  \u003cli\u003e🔬 \u003cstrong\u003eCr3 Zinc Plating Quality Control\u003c\/strong\u003e — Coating thickness and salt spray resistance tested per ISO 4042 \u0026amp; ISO 9227; Cr6-free certification available\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eWholesale \u0026amp; Bulk Ready\u003c\/strong\u003e — Standard packaging in bulk bags or box-of-boxes; custom labeling and kitting available for OEM\/distributor orders\u003c\/li\u003e\n  \u003cli\u003e🌍 \u003cstrong\u003eGlobal Export Experience\u003c\/strong\u003e — Regularly shipped to Europe, North America, Southeast Asia, and the Middle East with full export documentation\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eFast Lead Times\u003c\/strong\u003e — In-stock sizes available for immediate dispatch; large-volume and custom orders on short lead time\u003c\/li\u003e\n  \u003cli\u003e💬 \u003cstrong\u003eEngineering Support\u003c\/strong\u003e — Technical team available to assist with specification, substitution, and application questions\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"din917-4-m5","title":"M5-0.8 Hexagon cap nut, low type DIN 917 Class 6 Steel Zinc plated-12500 Pcs per Carton","description":"\u003cp\u003e21\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44530015666287,"sku":"DIN917-4-M5","price":100.0,"currency_code":"USD","in_stock":true}]},{"product_id":"din917-4-m6","title":"M6-1.0 Hexagon cap nut, low type DIN 917 Class 6 Steel Zinc plated-6200 Pcs per Carton","description":"\u003cp\u003e22\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44530015699055,"sku":"DIN917-4-M6","price":68.2,"currency_code":"USD","in_stock":true}]},{"product_id":"din917-4-m8","title":"M8-1.25 Hexagon cap nut, low type DIN 917 Class 6 Steel Zinc plated-2800 Pcs per Carton","description":"\u003cp\u003e23\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44530015731823,"sku":"DIN917-4-M8","price":61.6,"currency_code":"USD","in_stock":true}]},{"product_id":"din917-4-m10","title":"M10-1.5 Hexagon cap nut, low type DIN 917 Class 6 Steel Zinc plated-1200 Pcs per Carton","description":"\u003cp\u003e24\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44530015764591,"sku":"DIN917-4-M10","price":60.0,"currency_code":"USD","in_stock":true}]},{"product_id":"din917-4-m12","title":"M12-1.75 Hexagon cap nut, low type DIN 917 Class 6 Steel Zinc plated-950 Pcs per Carton","description":"\u003cp\u003e25\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44530015797359,"sku":"DIN917-4-M12","price":61.75,"currency_code":"USD","in_stock":true}]}],"url":"https:\/\/www.fullerkr.com\/collections\/din917-4.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}