{"title":"JIS-B1111 Truss Head Phillips Machine Screw - Marine Stainless Steel (A4)","description":"\u003ch1\u003eJIS B1111 Truss Head Phillips Machine Screw – Marine Stainless Steel A4 (SUS316)\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG supplies JIS B1111 Truss Head Phillips Machine Screws in A4 marine-grade stainless steel (SUS316) with a passivated \/ whitened finish. The truss head profile features a wide, low-profile dome that distributes clamping load over a larger bearing surface than a standard pan head, making it ideal for thin sheet metal, plastic panels, and assemblies where a flush, low-silhouette fastener is required. A4 (SUS316) offers superior corrosion resistance over A2 due to its molybdenum content, making it the preferred choice for marine, coastal, chemical, and high-humidity environments. All screws conform to JIS B1111 dimensional requirements and are available in metric sizes M2 through M6 across a full range of lengths.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#1a3a5c;color:#ffffff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eAttribute\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eDetail\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eJIS B1111\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eHead Type\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eTruss Head (Wide Low-Profile Dome)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eDrive Type\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003ePhillips (Cross Recess)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eA4 Marine Stainless Steel (SUS316)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eSurface Treatment\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003ePassivated \/ Whitened\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eKey Alloying Element\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMolybdenum (Mo 2–3%) – enhanced chloride resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eSize Range\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM2 – M6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eLength Range\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e4 mm – 40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eThread Type\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMetric Machine Thread (fully or partially threaded)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eHardness\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eHV 70–210 (per JIS B1111)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eTensile Strength\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e≥ 450 N\/mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eFULLERKREG\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eDimensional Data (JIS B1111 – Truss Head Phillips Machine Screw)\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in millimeters (mm). Refer to JIS B1111 for full tolerance specifications.\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;text-align:center;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#1a3a5c;color:#ffffff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" rowspan=\"2\"\u003eNominal Size\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" rowspan=\"2\"\u003eThread Pitch (mm)\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" colspan=\"2\"\u003eHead Diameter D (mm)\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" colspan=\"2\"\u003eHead Height H (mm)\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" rowspan=\"2\"\u003eRecess Diameter (mm) Ref\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" rowspan=\"2\"\u003ePhillips Driver Size\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\" rowspan=\"2\"\u003eUnit Weight (g\/pc) approx.\u003c\/th\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"background-color:#2a5080;color:#ffffff;\"\u003e\n      \u003cth style=\"padding:6px;border:1px solid #ccc;\"\u003eMax\u003c\/th\u003e\n      \u003cth style=\"padding:6px;border:1px solid #ccc;\"\u003eMin\u003c\/th\u003e\n      \u003cth style=\"padding:6px;border:1px solid #ccc;\"\u003eMax\u003c\/th\u003e\n      \u003cth style=\"padding:6px;border:1px solid #ccc;\"\u003eMin\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM2\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e0.4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e4.5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e4.1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e1.3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e1.1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.2\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e#1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM2.5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e0.45\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e5.7\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e5.3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e1.6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e1.4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e#1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e0.5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e6.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e6.4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.05\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e1.75\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e#1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e0.7\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e9.4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e8.9\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.65\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.35\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e4.3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e#2\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e0.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e11.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e11.2\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e3.25\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2.85\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e5.0\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e#2\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e1.0\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e14.0\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e13.3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e3.9\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e3.5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e6.3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e#3\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\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 column is reserved. Contact FULLERKREG for weight data sheets on specific size\/length combinations.\u003c\/p\u003e\n\n\u003ch2\u003eLength Tolerance (JIS B1111)\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;text-align:center;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#1a3a5c;color:#ffffff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eNominal Diameter\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003e4 mm or under\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eOver 4 mm to 10 mm\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eOver 10 mm to 20 mm\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eOver 20 mm to 40 mm\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eOver 40 mm\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM2 and M2.5\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±1.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM3 and M4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM5 and M6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e—\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±0.8\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±1\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e±1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eA4 vs A2 – Why Choose Marine Grade?\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;text-align:center;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#1a3a5c;color:#ffffff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eProperty\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eA2 (SUS304)\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eA4 (SUS316)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMolybdenum Content\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eNone\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003e2–3%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eChloride Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eModerate\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMarine \/ Saltwater Use\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eLimited\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eRecommended\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eChemical Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eGood\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eSuperior\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eFood \/ Pharma Grade\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eAcceptable\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003ePreferred\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003ePitting Corrosion Resistance\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eEnhanced\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eSelection Guide\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color:#1a3a5c;color:#ffffff;\"\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eApplication Scenario\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eRecommended Size\u003c\/th\u003e\n      \u003cth style=\"padding:8px;border:1px solid #ccc;\"\u003eNotes\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMarine deck fittings \u0026amp; boat hardware\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM4 – M6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eA4 SUS316 resists saltwater pitting and crevice corrosion\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eCoastal outdoor structures\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM4 – M6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eMolybdenum content prevents chloride-induced rust\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eFood processing equipment\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM3 – M6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003ePassivated A4 meets hygiene and washdown requirements\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eChemical plant \u0026amp; lab equipment\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM3 – M6\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eSuperior resistance to acids and chloride solutions\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003ePharmaceutical manufacturing\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM2 – M4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eSUS316 preferred for cleanroom and sterile environments\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f7fa;\"\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eThin sheet metal \/ plastic panels\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eM2 – M4\u003c\/td\u003e\n\u003ctd style=\"padding:7px;border:1px solid #ccc;\"\u003eWide truss head prevents pull-through on thin gauge materials\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eStandard Reference\u003c\/h2\u003e\n\u003cp\u003eThese screws are manufactured and inspected in accordance with \u003cstrong\u003eJIS B1111\u003c\/strong\u003e (Japanese Industrial Standard for Cross Recessed Head Machine Screws). The truss head type is defined within JIS B1111 as a wide, low-profile dome head with a flat bearing surface. Material grade A4 corresponds to austenitic stainless steel SUS316 per JIS G4303, containing 2–3% molybdenum for enhanced pitting and crevice corrosion resistance in chloride-rich environments. Surface passivation is performed to further enhance corrosion resistance without altering dimensional tolerances.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Images\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%;padding:8px;text-align:center;border:1px solid #e0e0e0;\"\u003e \u003c\/td\u003e\n      \u003ctd style=\"width:25%;padding:8px;text-align:center;border:1px solid #e0e0e0;\"\u003e \u003c\/td\u003e\n      \u003ctd style=\"width:25%;padding:8px;text-align:center;border:1px solid #e0e0e0;\"\u003e \u003c\/td\u003e\n      \u003ctd style=\"width:25%;padding:8px;text-align:center;border:1px solid #e0e0e0;\"\u003e \u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy FULLERKREG\u003c\/h2\u003e\n\u003cp\u003e\n🏭 \u003cstrong\u003eDirect Manufacturer\u003c\/strong\u003e – Produced in-house with full process control from raw material to finished fastener.\u003cbr\u003e\n📐 \u003cstrong\u003eJIS-Compliant Dimensions\u003c\/strong\u003e – Every batch inspected against JIS B1111 tolerances; CMM reports available on request.\u003cbr\u003e\n🔩 \u003cstrong\u003eA4 SUS316 Material\u003c\/strong\u003e – Certified mill test reports (MTR) provided for traceability and compliance.\u003cbr\u003e\n🌊 \u003cstrong\u003eMarine-Grade Passivated Finish\u003c\/strong\u003e – Molybdenum-enhanced corrosion resistance for saltwater, chemical, and outdoor environments.\u003cbr\u003e\n📦 \u003cstrong\u003eBulk Wholesale Supply\u003c\/strong\u003e – MOQ-friendly packaging; bulk reels, bags, and boxes available for OEM and MRO customers.\u003cbr\u003e\n🚢 \u003cstrong\u003eGlobal Export Ready\u003c\/strong\u003e – Experienced in international logistics; export documentation and customs support included.\u003cbr\u003e\n💬 \u003cstrong\u003eTechnical Support\u003c\/strong\u003e – Engineering team available for application consultation, custom length sourcing, and drawing review.\n\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/jis-b1111-truss-head-phillips-machine-screw-marine-stainless-steel-a4.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}