{"title":"Torx Pan Head Screws (GB2672-2017 \/ ISO 14583) - Alloy Steel (10.9) - Zinc Cr3","description":"\u003ch1\u003eTorx Pan Head Screws — GB\/T 2672-2017 \/ ISO 14583 | Alloy Steel Class 10.9 — Zinc Plated Cr3 (Trivalent)\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG high-strength Torx pan head screws (hexalobular socket pan head screws) are manufactured to \u003cstrong\u003eGB\/T 2672-2017\u003c\/strong\u003e and the equivalent international standard \u003cstrong\u003eISO 14583:2011(MOD)\u003c\/strong\u003e. Made from alloy steel 10B21 with a \u003cstrong\u003etrivalent chromium (Cr3) zinc plating\u003c\/strong\u003e, these fasteners deliver Class 10.9 tensile strength combined with enhanced corrosion protection and RoHS-compliant surface treatment — the preferred choice for automotive, electronics, and industrial applications requiring both high strength and environmental compliance.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Alloy Steel 10B21\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Zinc Plated, Trivalent Chromium Passivation (Cr3 \/ Cr-III)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrength Grade:\u003c\/strong\u003e Class 10.9\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Torx \/ Hexalobular (T-drive)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Pan Head\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e GB\/T 2672-2017 \/ ISO 14583:2011(MOD)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize Range:\u003c\/strong\u003e M2 – M10\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e Metric coarse thread (ISO 68-1), tolerance class 6g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS Compliance:\u003c\/strong\u003e Yes — Cr3 trivalent passivation contains no hexavalent chromium (Cr6+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDimensional Data (GB\/T 2672-2017 \/ ISO 14583)\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in \u003cstrong\u003emm\u003c\/strong\u003e. Data verified against GB\/T 2672-2017 and ISO 14583:2011 standard tables.\u003c\/p\u003e\n\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\u003eHead Dia.\u003cbr\u003edk max (mm)\u003c\/th\u003e\n      \u003cth\u003eHead Dia.\u003cbr\u003edk min (mm)\u003c\/th\u003e\n      \u003cth\u003eHead Height\u003cbr\u003ek nom (mm)\u003c\/th\u003e\n      \u003cth\u003eHead Height\u003cbr\u003ek min (mm)\u003c\/th\u003e\n      \u003cth\u003eHead Height\u003cbr\u003ek max (mm)\u003c\/th\u003e\n      \u003cth\u003eTorx\u003cbr\u003eSize\u003c\/th\u003e\n      \u003cth\u003eDrive Depth\u003cbr\u003et min (mm)\u003c\/th\u003e\n      \u003cth\u003eShank Dia.\u003cbr\u003eds max (mm)\u003c\/th\u003e\n      \u003cth\u003eUnit Weight\u003cbr\u003e(g \/ 100 pcs)*\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e0.40\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003ctd\u003e3.70\u003c\/td\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003ctd\u003e1.35\u003c\/td\u003e\n\u003ctd\u003e1.65\u003c\/td\u003e\n\u003ctd\u003eT6\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003ctd\u003e~19\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e5.00\u003c\/td\u003e\n\u003ctd\u003e4.70\u003c\/td\u003e\n\u003ctd\u003e1.75\u003c\/td\u003e\n\u003ctd\u003e1.57\u003c\/td\u003e\n\u003ctd\u003e1.93\u003c\/td\u003e\n\u003ctd\u003eT8\u003c\/td\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003ctd\u003e2.50\u003c\/td\u003e\n\u003ctd\u003e~36\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e0.50\u003c\/td\u003e\n\u003ctd\u003e6.00\u003c\/td\u003e\n\u003ctd\u003e5.70\u003c\/td\u003e\n\u003ctd\u003e2.00\u003c\/td\u003e\n\u003ctd\u003e1.82\u003c\/td\u003e\n\u003ctd\u003e2.18\u003c\/td\u003e\n\u003ctd\u003eT10\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003ctd\u003e3.00\u003c\/td\u003e\n\u003ctd\u003e~62\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3.5\u003c\/td\u003e\n\u003ctd\u003e0.60\u003c\/td\u003e\n\u003ctd\u003e7.00\u003c\/td\u003e\n\u003ctd\u003e6.64\u003c\/td\u003e\n\u003ctd\u003e2.40\u003c\/td\u003e\n\u003ctd\u003e2.18\u003c\/td\u003e\n\u003ctd\u003e2.62\u003c\/td\u003e\n\u003ctd\u003eT15\u003c\/td\u003e\n\u003ctd\u003e1.30\u003c\/td\u003e\n\u003ctd\u003e3.50\u003c\/td\u003e\n\u003ctd\u003e~103\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003ctd\u003e8.00\u003c\/td\u003e\n\u003ctd\u003e7.64\u003c\/td\u003e\n\u003ctd\u003e2.70\u003c\/td\u003e\n\u003ctd\u003e2.46\u003c\/td\u003e\n\u003ctd\u003e2.94\u003c\/td\u003e\n\u003ctd\u003eT20\u003c\/td\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003ctd\u003e~160\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e0.80\u003c\/td\u003e\n\u003ctd\u003e9.50\u003c\/td\u003e\n\u003ctd\u003e9.14\u003c\/td\u003e\n\u003ctd\u003e3.30\u003c\/td\u003e\n\u003ctd\u003e3.02\u003c\/td\u003e\n\u003ctd\u003e3.58\u003c\/td\u003e\n\u003ctd\u003eT25\u003c\/td\u003e\n\u003ctd\u003e1.90\u003c\/td\u003e\n\u003ctd\u003e5.00\u003c\/td\u003e\n\u003ctd\u003e~298\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e1.00\u003c\/td\u003e\n\u003ctd\u003e12.00\u003c\/td\u003e\n\u003ctd\u003e11.57\u003c\/td\u003e\n\u003ctd\u003e4.00\u003c\/td\u003e\n\u003ctd\u003e3.70\u003c\/td\u003e\n\u003ctd\u003e4.30\u003c\/td\u003e\n\u003ctd\u003eT30\u003c\/td\u003e\n\u003ctd\u003e2.30\u003c\/td\u003e\n\u003ctd\u003e6.00\u003c\/td\u003e\n\u003ctd\u003e~545\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\u003e16.00\u003c\/td\u003e\n\u003ctd\u003e15.57\u003c\/td\u003e\n\u003ctd\u003e5.30\u003c\/td\u003e\n\u003ctd\u003e4.92\u003c\/td\u003e\n\u003ctd\u003e5.68\u003c\/td\u003e\n\u003ctd\u003eT40\u003c\/td\u003e\n\u003ctd\u003e3.00\u003c\/td\u003e\n\u003ctd\u003e8.00\u003c\/td\u003e\n\u003ctd\u003e~1,280\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003ctd\u003e20.00\u003c\/td\u003e\n\u003ctd\u003e19.48\u003c\/td\u003e\n\u003ctd\u003e6.50\u003c\/td\u003e\n\u003ctd\u003e6.05\u003c\/td\u003e\n\u003ctd\u003e6.95\u003c\/td\u003e\n\u003ctd\u003eT50\u003c\/td\u003e\n\u003ctd\u003e3.80\u003c\/td\u003e\n\u003ctd\u003e10.00\u003c\/td\u003e\n\u003ctd\u003e~2,870\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:12px;color:#666;\"\u003e* Unit weight values are approximate reference values for nominal length L=12mm. Alloy steel density approx. 7.85 g\/cm³; zinc plating adds negligible weight. Actual weight varies by length. Contact FULLERKREG for precise weight data by length.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eShank Length Tolerance (ISO 14583 \/ GB\/T 2672-2017)\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:50%;font-size:13px;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n\u003cth\u003eNominal Length l (mm)\u003c\/th\u003e\n\u003cth\u003eTolerance +\/- (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4 – 6\u003c\/td\u003e\n\u003ctd\u003e0.20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e6 – 10\u003c\/td\u003e\n\u003ctd\u003e0.25\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10 – 16\u003c\/td\u003e\n\u003ctd\u003e0.30\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e16 – 25\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e25 – 35\u003c\/td\u003e\n\u003ctd\u003e0.40\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e35 – 50\u003c\/td\u003e\n\u003ctd\u003e0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e50 – 60\u003c\/td\u003e\n\u003ctd\u003e0.60\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMechanical Properties — Class 10.9 Alloy Steel\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:70%;font-size:13px;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eRequirement (Class 10.9)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTensile Strength (Rm)\u003c\/td\u003e\n\u003ctd\u003eMin. 1040 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eYield Strength (Rp0.2)\u003c\/td\u003e\n\u003ctd\u003eMin. 940 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElongation after fracture (A)\u003c\/td\u003e\n\u003ctd\u003eMin. 9%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHardness (Vickers)\u003c\/td\u003e\n\u003ctd\u003e320 – 380 HV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHardness (Rockwell)\u003c\/td\u003e\n\u003ctd\u003e33 – 39 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAlloy Steel 10B21 (boron-alloyed)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHeat Treatment\u003c\/td\u003e\n\u003ctd\u003eQuenched \u0026amp; Tempered\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSurface Treatment — Zinc Cr3 (Trivalent Chromium Passivation)\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:80%;font-size:13px;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eZinc Cr3 (Trivalent)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePassivation Type\u003c\/td\u003e\n\u003ctd\u003eTrivalent chromium (Cr-III), no hexavalent Cr6+\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRoHS Compliance\u003c\/td\u003e\n\u003ctd\u003eYes — fully compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eREACH Compliance\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAppearance\u003c\/td\u003e\n\u003ctd\u003eBright silver \/ light blue iridescent\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eZinc Plating Thickness\u003c\/td\u003e\n\u003ctd\u003eTypically 5 – 12 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSalt Spray Resistance (base metal)\u003c\/td\u003e\n\u003ctd\u003eMin. 72 hours (per ISO 9227)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSalt Spray Resistance (white rust)\u003c\/td\u003e\n\u003ctd\u003eMin. 48 hours (per ISO 9227)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStandard Reference\u003c\/td\u003e\n\u003ctd\u003eISO 4042, GB\/T 5267.1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eZinc Cr3 vs Other Surface Treatments\u003c\/h2\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\u003eSurface Treatment\u003c\/th\u003e\n      \u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n      \u003cth\u003eRoHS\u003c\/th\u003e\n      \u003cth\u003eAppearance\u003c\/th\u003e\n      \u003cth\u003eTypical Use\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eZinc Cr3 (Trivalent)\u003c\/td\u003e\n\u003ctd\u003eGood (72+ hrs salt spray)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBright silver \/ blue iridescent\u003c\/td\u003e\n\u003ctd\u003eAutomotive, electronics, general industrial\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBlack Oxide\u003c\/td\u003e\n\u003ctd\u003eMild (oil-dependent)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eMatte black\u003c\/td\u003e\n\u003ctd\u003eAesthetics-driven, indoor assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePassivated (Stainless)\u003c\/td\u003e\n\u003ctd\u003eExcellent (A2\/A4)\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eBright silver\u003c\/td\u003e\n\u003ctd\u003eCorrosive environments, food-grade\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%;font-size:13px;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eApplication\u003c\/th\u003e\n      \u003cth\u003eRecommended Specification\u003c\/th\u003e\n      \u003cth\u003eReason\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eAutomotive body \u0026amp; chassis assemblies\u003c\/td\u003e\n      \u003ctd\u003eM4 – M10, Class 10.9, Zinc Cr3\u003c\/td\u003e\n      \u003ctd\u003eRoHS-compliant zinc plating meets OEM environmental requirements; high clamping force\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConsumer electronics \u0026amp; appliances\u003c\/td\u003e\n      \u003ctd\u003eM2 – M5, Class 10.9, Zinc Cr3\u003c\/td\u003e\n      \u003ctd\u003eBright appearance, RoHS compliance, Torx drive prevents cam-out in production lines\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower tools \u0026amp; electric motors\u003c\/td\u003e\n      \u003ctd\u003eM3 – M6, Class 10.9, Zinc Cr3\u003c\/td\u003e\n      \u003ctd\u003eHigh tensile strength for dynamic loads; zinc coating protects against workshop humidity\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIndustrial machinery \u0026amp; equipment\u003c\/td\u003e\n      \u003ctd\u003eM5 – M10, Class 10.9, Zinc Cr3\u003c\/td\u003e\n      \u003ctd\u003eSuperior strength over 8.8 grade; zinc Cr3 provides corrosion protection in factory environments\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBicycle \u0026amp; sporting goods\u003c\/td\u003e\n      \u003ctd\u003eM4 – M6, Class 10.9, Zinc Cr3\u003c\/td\u003e\n      \u003ctd\u003eHigh strength-to-weight ratio; bright silver finish suits visible components\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStructural \u0026amp; load-bearing joints\u003c\/td\u003e\n      \u003ctd\u003eM6 – M10, Class 10.9, Zinc Cr3\u003c\/td\u003e\n      \u003ctd\u003eMeets high preload requirements; Torx T30–T50 for precise torque control\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eStandard Notes\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGB\/T 2672-2017\u003c\/strong\u003e is the Chinese national standard for hexalobular socket pan head screws, equivalent to and modified from \u003cstrong\u003eISO 14583:2011\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eCovers sizes M2 through M10 with nominal lengths from 3 mm to 60 mm (size-dependent).\u003c\/li\u003e\n  \u003cli\u003eThread tolerance: \u003cstrong\u003e6g\u003c\/strong\u003e per ISO 965-1.\u003c\/li\u003e\n  \u003cli\u003eTorx drive sizes follow \u003cstrong\u003eISO 10664\u003c\/strong\u003e. The hexalobular recess provides significantly higher torque transmission than Phillips or slotted drives.\u003c\/li\u003e\n  \u003cli\u003eMechanical property requirements for Class 10.9 are defined in \u003cstrong\u003eISO 898-1\u003c\/strong\u003e and the corresponding GB\/T 3098.1.\u003c\/li\u003e\n  \u003cli\u003eMaterial 10B21 is a boron-alloyed steel optimized for cold heading and heat treatment to achieve Class 10.9 properties.\u003c\/li\u003e\n  \u003cli\u003eZinc plating and Cr3 passivation comply with \u003cstrong\u003eISO 4042\u003c\/strong\u003e and \u003cstrong\u003eGB\/T 5267.1\u003c\/strong\u003e. Trivalent chromium (Cr3) passivation contains no hexavalent chromium (Cr6+) and is fully \u003cstrong\u003eRoHS\u003c\/strong\u003e and \u003cstrong\u003eREACH\u003c\/strong\u003e compliant.\u003c\/li\u003e\n  \u003cli\u003eMarking: Products are marked with the manufacturer identification and strength grade 10.9 where size permits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Gallery\u003c\/h2\u003e\n\u003cp\u003eFULLERKREG Torx Pan Head Screws — Alloy Steel Class 10.9, Zinc Cr3 Plated\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 — Factory-direct pricing with no middlemen, ensuring competitive wholesale rates\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStandard Compliance\u003c\/strong\u003e — Strictly manufactured to GB\/T 2672-2017 \u0026amp; ISO 14583, with full dimensional inspection\u003c\/li\u003e\n  \u003cli\u003e🔬 \u003cstrong\u003eMaterial \u0026amp; Surface Certified\u003c\/strong\u003e — Class 10.9 hardness reports and Cr3 RoHS compliance certificates available on request\u003c\/li\u003e\n  \u003cli\u003e♻️ \u003cstrong\u003eRoHS \u0026amp; REACH Compliant\u003c\/strong\u003e — Trivalent Cr3 zinc plating meets EU and international environmental regulations\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eBulk \u0026amp; Custom Orders\u003c\/strong\u003e — Flexible MOQ; custom packaging, labeling, and length combinations available\u003c\/li\u003e\n  \u003cli\u003e🌍 \u003cstrong\u003eGlobal Export\u003c\/strong\u003e — Experienced in international shipping with full export documentation support\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eFast Quotation\u003c\/strong\u003e — RFQ response within 24 hours for standard and non-standard specifications\u003c\/li\u003e\n\u003c\/ul\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/torx-pan-head-screws-gb2672-2017-iso-14583-alloy-steel-10-9-zinc-cr3.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}