{"title":"Hexagonal Stud Connector Nuts (DIN 6334) - Stainless Steel (A2)","description":"\u003ch1\u003eHexagonal Stud Connector Nuts (DIN 6334) — Stainless Steel A2 (SUS304)\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 6334 hexagonal long coupling nuts (also known as stud connector nuts, extension nuts, or long hex nuts) are precision-manufactured in A2 stainless steel (SUS304 \/ 1.4301) with a passivated (acid-washed) bright finish. Conforming to the DIN 6334 standard, the nut length is exactly \u003cstrong\u003e3 times the nominal thread diameter (3×d)\u003c\/strong\u003e, providing the extended thread engagement needed to reliably join two threaded rods, studs, or bolts end-to-end. The passivated surface maximises corrosion resistance and delivers a clean, bright appearance. Available in thread sizes M3 through M56 for structural, mechanical, and architectural applications worldwide.\u003c\/p\u003e\n\n\u003ch2\u003eDimensional Data\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in mm. Nut length m = 3×d (DIN 6334). Tolerances per ISO 4034 \/ DIN 6334. Unit weight (g) is theoretical reference value for SUS304 (density 7.93 g\/cm³).\u003c\/p\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;text-align:center;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eThread\u003cbr\u003ed\u003c\/th\u003e\n      \u003cth\u003ePitch\u003cbr\u003e(mm)\u003c\/th\u003e\n      \u003cth\u003eNut Length\u003cbr\u003em = 3×d (mm)\u003c\/th\u003e\n      \u003cth\u003eAcross Flats\u003cbr\u003es (mm)\u003c\/th\u003e\n      \u003cth\u003eAcross Corners\u003cbr\u003ee min (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\u003e9.0\u003c\/td\u003e\n\u003ctd\u003e5.50\u003c\/td\u003e\n\u003ctd\u003e6.01\u003c\/td\u003e\n\u003ctd\u003e~0.7\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\u003e12.0\u003c\/td\u003e\n\u003ctd\u003e7.00\u003c\/td\u003e\n\u003ctd\u003e7.66\u003c\/td\u003e\n\u003ctd\u003e~1.6\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\u003e15.0\u003c\/td\u003e\n\u003ctd\u003e8.00\u003c\/td\u003e\n\u003ctd\u003e8.79\u003c\/td\u003e\n\u003ctd\u003e~2.8\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\u003e18.0\u003c\/td\u003e\n\u003ctd\u003e10.00\u003c\/td\u003e\n\u003ctd\u003e11.05\u003c\/td\u003e\n\u003ctd\u003e~5.0\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\u003e24.0\u003c\/td\u003e\n\u003ctd\u003e13.00\u003c\/td\u003e\n\u003ctd\u003e14.38\u003c\/td\u003e\n\u003ctd\u003e~10.5\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\u003e30.0\u003c\/td\u003e\n\u003ctd\u003e16.00\u003c\/td\u003e\n\u003ctd\u003e17.77\u003c\/td\u003e\n\u003ctd\u003e~19.5\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\u003e36.0\u003c\/td\u003e\n\u003ctd\u003e18.00\u003c\/td\u003e\n\u003ctd\u003e20.03\u003c\/td\u003e\n\u003ctd\u003e~32.0\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\u003e42.0\u003c\/td\u003e\n\u003ctd\u003e22.00\u003c\/td\u003e\n\u003ctd\u003e24.49\u003c\/td\u003e\n\u003ctd\u003e~55.0\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\u003e48.0\u003c\/td\u003e\n\u003ctd\u003e24.00\u003c\/td\u003e\n\u003ctd\u003e26.75\u003c\/td\u003e\n\u003ctd\u003e~78.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM18\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e54.0\u003c\/td\u003e\n\u003ctd\u003e27.00\u003c\/td\u003e\n\u003ctd\u003e29.56\u003c\/td\u003e\n\u003ctd\u003e~108\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\u003e60.0\u003c\/td\u003e\n\u003ctd\u003e30.00\u003c\/td\u003e\n\u003ctd\u003e32.95\u003c\/td\u003e\n\u003ctd\u003e~148\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM22\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e66.0\u003c\/td\u003e\n\u003ctd\u003e32.00\u003c\/td\u003e\n\u003ctd\u003e35.03\u003c\/td\u003e\n\u003ctd\u003e~185\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM24\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e72.0\u003c\/td\u003e\n\u003ctd\u003e36.00\u003c\/td\u003e\n\u003ctd\u003e39.55\u003c\/td\u003e\n\u003ctd\u003e~255\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM27\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e81.0\u003c\/td\u003e\n\u003ctd\u003e41.00\u003c\/td\u003e\n\u003ctd\u003e45.20\u003c\/td\u003e\n\u003ctd\u003e~380\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM30\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e90.0\u003c\/td\u003e\n\u003ctd\u003e46.00\u003c\/td\u003e\n\u003ctd\u003e50.85\u003c\/td\u003e\n\u003ctd\u003e~520\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM33\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e99.0\u003c\/td\u003e\n\u003ctd\u003e50.00\u003c\/td\u003e\n\u003ctd\u003e55.37\u003c\/td\u003e\n\u003ctd\u003e~680\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM36\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e108.0\u003c\/td\u003e\n\u003ctd\u003e55.00\u003c\/td\u003e\n\u003ctd\u003e60.79\u003c\/td\u003e\n\u003ctd\u003e~890\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM39\u003c\/td\u003e\n\u003ctd\u003e4.0\u003c\/td\u003e\n\u003ctd\u003e117.0\u003c\/td\u003e\n\u003ctd\u003e60.00\u003c\/td\u003e\n\u003ctd\u003e66.44\u003c\/td\u003e\n\u003ctd\u003e~1150\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM42\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e126.0\u003c\/td\u003e\n\u003ctd\u003e65.00\u003c\/td\u003e\n\u003ctd\u003e71.30\u003c\/td\u003e\n\u003ctd\u003e~1430\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM45\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e135.0\u003c\/td\u003e\n\u003ctd\u003e70.00\u003c\/td\u003e\n\u003ctd\u003e76.95\u003c\/td\u003e\n\u003ctd\u003e~1760\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM48\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e144.0\u003c\/td\u003e\n\u003ctd\u003e75.00\u003c\/td\u003e\n\u003ctd\u003e82.60\u003c\/td\u003e\n\u003ctd\u003e~2130\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM52\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e156.0\u003c\/td\u003e\n\u003ctd\u003e80.00\u003c\/td\u003e\n\u003ctd\u003e88.25\u003c\/td\u003e\n\u003ctd\u003e~2650\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM56\u003c\/td\u003e\n\u003ctd\u003e5.5\u003c\/td\u003e\n\u003ctd\u003e168.0\u003c\/td\u003e\n\u003ctd\u003e85.00\u003c\/td\u003e\n\u003ctd\u003e93.56\u003c\/td\u003e\n\u003ctd\u003e~3230\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size:0.85em;color:#666;\"\u003e* Nut length m = 3×d per DIN 6334. Across Corners (e) calculated from s × 1.155. Unit weights are theoretical reference values; actual weights may vary ±5%. Sizes M39 and above may have longer lead times — please enquire.\u003c\/p\u003e\n\n\u003ch2\u003eSelection Guide\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;text-align:left;\"\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\u003eStandard\u003c\/td\u003e\n\u003ctd\u003eDIN 6334\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAlso Known As\u003c\/td\u003e\n\u003ctd\u003eLong Hex Nut, Coupling Nut, Extension Nut, Stud Connector Nut, Barrel Nut\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel A2 (SUS304 \/ 1.4301)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd\u003eAcid-washed (Passivated \/ Bright Finish)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNut Length\u003c\/td\u003e\n\u003ctd\u003e3×d (three times nominal thread diameter)\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\u003eThread Tolerance\u003c\/td\u003e\n\u003ctd\u003e6H\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProperty Class\u003c\/td\u003e\n\u003ctd\u003eA2-70 (per ISO 3506-2)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eThread Size Range\u003c\/td\u003e\n\u003ctd\u003eM3 – M56\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e≥ 700 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e147–220 HV\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-200°C to +300°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMagnetic\u003c\/td\u003e\n\u003ctd\u003eNon-magnetic (annealed condition)\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\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eBulk bag \/ box; custom packaging available\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eStandard Notes\u003c\/h2\u003e\n\u003cp\u003eDIN 6334 specifies hexagonal long nuts with a length equal to 3 times the nominal thread diameter (m = 3×d). This extended length provides significantly greater thread engagement than a standard hex nut (typically 0.8×d), making DIN 6334 coupling nuts the correct choice for joining two externally threaded components — such as threaded rods, studs, or anchor bolts — end-to-end. The hexagonal profile allows standard spanners and sockets to be used for installation and removal.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 6334\u003c\/strong\u003e — Hexagon long nuts, metric coarse thread, length = 3×d\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEquivalent \/ related standards:\u003c\/strong\u003e ISO 4033 (hex high nuts), EN 14399-3 (structural), ASME B18.2.2 (inch equivalent)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial grade:\u003c\/strong\u003e A2 per ISO 3506-2 (SUS304 \/ 1.4301)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface:\u003c\/strong\u003e Passivated (acid-washed bright finish) — no additional coating\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e Right-hand, metric coarse, tolerance class 6H\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical applications:\u003c\/strong\u003e Threaded rod extension, stud-to-stud connection, anchor bolt adjustment, height adjustment assemblies, furniture and architectural hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eDIN 6334 vs Standard Hex Nut — Thread Engagement Comparison\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;text-align:left;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNut Type\u003c\/th\u003e\n      \u003cth\u003eStandard\u003c\/th\u003e\n      \u003cth\u003eNut Length\u003c\/th\u003e\n      \u003cth\u003eThread Engagement\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\u003eStandard Hex Nut\u003c\/td\u003e\n\u003ctd\u003eDIN 934 \/ ISO 4032\u003c\/td\u003e\n\u003ctd\u003e~0.8×d\u003c\/td\u003e\n\u003ctd\u003eShort\u003c\/td\u003e\n\u003ctd\u003eSingle bolt\/stud fastening\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHigh Hex Nut\u003c\/td\u003e\n\u003ctd\u003eISO 4033\u003c\/td\u003e\n\u003ctd\u003e~0.9×d\u003c\/td\u003e\n\u003ctd\u003eMedium\u003c\/td\u003e\n\u003ctd\u003eHigher load single fastening\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#fff8e1;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eLong Coupling Nut\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDIN 6334\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e3×d\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eFull engagement both ends\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRod-to-rod \/ stud-to-stud joining ✓\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eProduct Gallery\u003c\/h2\u003e\n\u003cp\u003eDIN 6334 Hexagonal Long Coupling Nuts — Stainless Steel A2 (SUS304) 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%;border:1px dashed #ccc;padding:40px 10px;color:#aaa;\"\u003e[ Photo 1 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;border:1px dashed #ccc;padding:40px 10px;color:#aaa;\"\u003e[ Photo 2 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;border:1px dashed #ccc;padding:40px 10px;color:#aaa;\"\u003e[ Photo 3 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%;border:1px dashed #ccc;padding:40px 10px;color:#aaa;\"\u003e[ Photo 4 ]\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eChemical Composition — A2 Stainless Steel (SUS304 \/ 1.4301)\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;text-align:center;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eC (%)\u003c\/th\u003e\n\u003cth\u003eSi (%)\u003c\/th\u003e\n\u003cth\u003eMn (%)\u003c\/th\u003e\n\u003cth\u003eP (%)\u003c\/th\u003e\n\u003cth\u003eS (%)\u003c\/th\u003e\n\u003cth\u003eCr (%)\u003c\/th\u003e\n\u003cth\u003eNi (%)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSUS304 (A2)\u003c\/td\u003e\n      \u003ctd\u003e≤ 0.08\u003c\/td\u003e\n      \u003ctd\u003e≤ 1.00\u003c\/td\u003e\n      \u003ctd\u003e≤ 2.00\u003c\/td\u003e\n      \u003ctd\u003e≤ 0.045\u003c\/td\u003e\n      \u003ctd\u003e≤ 0.030\u003c\/td\u003e\n      \u003ctd\u003e18.0–20.0\u003c\/td\u003e\n      \u003ctd\u003e8.0–10.5\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eMechanical Properties — A2-70 (ISO 3506-2)\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse:collapse;width:100%;text-align:center;\"\u003e\n  \u003cthead style=\"background-color:#f2f2f2;\"\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty Class\u003c\/th\u003e\n\u003cth\u003eProof Load Stress (MPa)\u003c\/th\u003e\n\u003cth\u003eTensile Strength (MPa)\u003c\/th\u003e\n\u003cth\u003eHardness (HV)\u003c\/th\u003e\n\u003cth\u003eMin. Elongation\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eA2-70\u003c\/td\u003e\n\u003ctd\u003e≥ 500\u003c\/td\u003e\n\u003ctd\u003e≥ 700\u003c\/td\u003e\n\u003ctd\u003e147–220\u003c\/td\u003e\n\u003ctd\u003e≥ 40%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Choose FULLERKREG DIN 6334 Coupling Nuts?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eFactory Direct\u003c\/strong\u003e — Manufactured in-house with full process control from raw material to finished part\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStrict DIN 6334 Compliance\u003c\/strong\u003e — Length precisely 3×d; every dimension and tolerance verified against the standard\u003c\/li\u003e\n  \u003cli\u003e🔗 \u003cstrong\u003eFull Thread Engagement Both Ends\u003c\/strong\u003e — 3×d length ensures maximum load transfer when joining two threaded rods or studs\u003c\/li\u003e\n  \u003cli\u003e🌊 \u003cstrong\u003eCorrosion Resistant\u003c\/strong\u003e — A2 passivated finish provides reliable performance in atmospheric and mildly corrosive environments\u003c\/li\u003e\n  \u003cli\u003e🔬 \u003cstrong\u003eMaterial Certified\u003c\/strong\u003e — Mill test certificates (MTC) available; SUS304 composition verified by spectrometer\u003c\/li\u003e\n  \u003cli\u003e📏 \u003cstrong\u003eWide Size Range\u003c\/strong\u003e — M3 through M56 in stock; covers the full range from precision instruments to heavy structural applications\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eBulk Wholesale Supply\u003c\/strong\u003e — MOQ-friendly pricing tiers; consistent lot quality for production lines\u003c\/li\u003e\n  \u003cli\u003e🚢 \u003cstrong\u003eGlobal Export Experience\u003c\/strong\u003e — Shipped worldwide with proper export documentation and packaging\u003c\/li\u003e\n  \u003cli\u003e💬 \u003cstrong\u003eTechnical Support\u003c\/strong\u003e — Engineering team available for application guidance, custom lengths, and special requirements\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"din6334-a2-m5","title":"M5-0.8*15(s=8) Hexagonal Stud Connector Nuts (DIN 6334) - Stainless Steel (A2)-6400 Pcs per Carton","description":"\u003cp\u003e12\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44522672390255,"sku":"DIN6334-A2-M5","price":358.4,"currency_code":"USD","in_stock":true}]},{"product_id":"din6334-a2-m6","title":"M6-1.0*18(s=10) Hexagonal Stud Connector Nuts (DIN 6334) - Stainless Steel (A2)-4000 Pcs per Carton","description":"\u003cp\u003e13\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44522672423023,"sku":"DIN6334-A2-M6","price":292.0,"currency_code":"USD","in_stock":true}]},{"product_id":"din6334-a2-m8","title":"M8-1.25*24(s=13) Hexagonal Stud Connector Nuts (DIN 6334) - Stainless Steel (A2)-1600 Pcs per Carton","description":"\u003cp\u003e14\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44522672455791,"sku":"DIN6334-A2-M8","price":187.2,"currency_code":"USD","in_stock":true}]},{"product_id":"din6334-a2-m10","title":"M10-1.5*30(s=17) Hexagonal Stud Connector Nuts (DIN 6334) - Stainless Steel (A2)-800 Pcs per Carton","description":"\u003cp\u003e15\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44522672488559,"sku":"DIN6334-A2-M10","price":225.6,"currency_code":"USD","in_stock":true}]},{"product_id":"din6334-a2-m12","title":"M12-1.75*36(s=19) Hexagonal Stud Connector Nuts (DIN 6334) - Stainless Steel (A2)-480 Pcs per Carton","description":"\u003cp\u003e16\u003c\/p\u003e","brand":"Fullerkreg Fasteners","offers":[{"title":"Default Title","offer_id":44522672521327,"sku":"DIN6334-A2-M12","price":197.28,"currency_code":"USD","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0054\/6317\/9375\/collections\/DIN_6334_9874b890-c13a-4269-9df0-03059cb653fa.webp?v=1770713195","url":"https:\/\/www.fullerkr.com\/collections\/din6334-a2.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}