{"title":"Metric Hexagon Head Pipe Plugs (DIN 910) - Marine Stainless Steel (A4)","description":"\u003ch2\u003eMetric Hexagon Head Pipe Plugs — DIN 910 | Marine Stainless Steel A4 (SUS316) | A4-70\u003c\/h2\u003e\n\n\u003cp\u003eFULLERKREG DIN 910 metric hexagon head screw plugs with collar in \u003cstrong\u003eA4 marine-grade stainless steel (SUS316 \/ 1.4401)\u003c\/strong\u003e are the premium choice for sealing threaded ports in demanding, corrosive, and high-moisture environments. Manufactured to full DIN 910 standard with \u003cstrong\u003eA4-70 strength grade\u003c\/strong\u003e and a \u003cstrong\u003ecleaned \u0026amp; passivated surface finish\u003c\/strong\u003e, these plugs provide superior resistance to chlorides, saltwater, and aggressive chemicals — far exceeding the performance of standard A2 stainless steel.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🔩 Product Overview\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 910 (Hexagon Head Screw Plugs with Collar and Cylindrical Thread)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e A4 Marine Stainless Steel (SUS316 \/ EN 1.4401)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrength Grade:\u003c\/strong\u003e A4-70 (per ISO 3506-1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Cleaned \u0026amp; Passivated (enhanced oxide layer, bright finish)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type:\u003c\/strong\u003e Metric cylindrical (parallel) thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize Range:\u003c\/strong\u003e M10×1.5 to M48×1.5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive:\u003c\/strong\u003e External hexagon head with integral collar\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e FULLERKREG\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e📐 Dimensions \u0026amp; Size Chart (DIN 910)\u003c\/h3\u003e\n\u003cp\u003eAll dimensions in mm. Weight in kg\/1000 pcs.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eD (Nominal)\u003c\/th\u003e\n      \u003cth\u003eD1\u003c\/th\u003e\n      \u003cth\u003eL\u003c\/th\u003e\n      \u003cth\u003eC\u003c\/th\u003e\n      \u003cth\u003eB\u003c\/th\u003e\n      \u003cth\u003eM\u003c\/th\u003e\n      \u003cth\u003eS\u003c\/th\u003e\n      \u003cth\u003eWeight (kg\/1000pcs)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10×1.50\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e10.69 \/ 12\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12×1.50\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e14.2 \/ 20.3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM14×1.50\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003ctd\u003e14.2 \/ 25\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM16×1.50\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e18.72 \/ 35.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM20×1.50\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e19\u003c\/td\u003e\n\u003ctd\u003e20.88 \/ 64.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM22×1.50\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003ctd\u003e20.88 \/ 75\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM24×1.50\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e23.51 \/ 83.6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM27×1.50\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e23.51 \/ 108\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM30×1.50\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e24\u003c\/td\u003e\n\u003ctd\u003e26.17 \/ 148\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM33×1.50\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003ctd\u003e29.88 \/ 200\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM38×1.50\u003c\/td\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e32.95 \/ 300\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM42×1.50\u003c\/td\u003e\n\u003ctd\u003e49\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e32.95 \/ 300\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM45×1.50\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e32.95 \/ 300\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM48×1.50\u003c\/td\u003e\n\u003ctd\u003e55\u003c\/td\u003e\n\u003ctd\u003e33\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e34.88 \/ 375\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e⚙️ Material \u0026amp; Mechanical Properties\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial Grade:\u003c\/strong\u003e A4 (AISI 316 \/ SUS316 \/ EN 1.4401) — Austenitic stainless steel with molybdenum addition\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMolybdenum Content:\u003c\/strong\u003e 2–3% Mo — key differentiator from A2, providing superior pitting and crevice corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStrength Class:\u003c\/strong\u003e A4-70 per ISO 3506-1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e ≥ 700 N\/mm² (101,500 PSI)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProof Load Stress:\u003c\/strong\u003e ≥ 450 N\/mm²\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNut Load Capacity:\u003c\/strong\u003e ≥ 700 N\/mm²\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e HV 220 max\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface:\u003c\/strong\u003e Cleaned \u0026amp; Passivated — removes free iron contamination, maximises natural chromium oxide passive layer\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNon-magnetic:\u003c\/strong\u003e A4\/316 is generally non-magnetic in the annealed condition\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e✅ Key Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior marine-grade corrosion resistance:\u003c\/strong\u003e The 2–3% molybdenum in SUS316 dramatically improves resistance to chloride-induced pitting — essential for saltwater, coastal, and offshore environments\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure-tight sealing:\u003c\/strong\u003e Cylindrical (parallel) metric thread with integral collar provides reliable metal-to-metal sealing for hydraulic and pneumatic systems\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 910 compliant:\u003c\/strong\u003e Full dimensional compliance with DIN 910 standard; interchangeable with ISO-equivalent parts\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCollar design:\u003c\/strong\u003e Built-in collar acts as a stop and seating surface, ensuring consistent installation depth and preventing over-tightening\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical resistance:\u003c\/strong\u003e Resistant to many acids, alkalis, and industrial chemicals — suitable for chemical processing and pharmaceutical applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide size range:\u003c\/strong\u003e M10 through M48 available from stock\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePassivated finish:\u003c\/strong\u003e Enhanced passive oxide layer for maximum corrosion protection right out of the box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🏭 Typical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMarine and offshore equipment — hull fittings, deck hardware, seawater systems\u003c\/li\u003e\n  \u003cli\u003eShipbuilding and boat manufacturing\u003c\/li\u003e\n  \u003cli\u003eCoastal and harbour infrastructure\u003c\/li\u003e\n  \u003cli\u003eChemical and petrochemical processing pipelines\u003c\/li\u003e\n  \u003cli\u003ePharmaceutical and food \u0026amp; beverage processing (CIP systems)\u003c\/li\u003e\n  \u003cli\u003eHydraulic and pneumatic port closures in corrosive environments\u003c\/li\u003e\n  \u003cli\u003eDesalination plants and water treatment facilities\u003c\/li\u003e\n  \u003cli\u003eSwimming pool and spa equipment\u003c\/li\u003e\n  \u003cli\u003ePressure vessels and manifolds in aggressive media\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e📋 Standards \u0026amp; Compliance\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 910\u003c\/strong\u003e — Hexagon Head Screw Plugs with Collar and Cylindrical Thread\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO 3506-1\u003c\/strong\u003e — Mechanical properties of corrosion-resistant stainless steel fasteners\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN EN ISO 3506\u003c\/strong\u003e — Steel groups and strength classes for stainless fasteners\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eASTM A276 \/ A493\u003c\/strong\u003e — Equivalent material reference for 316 stainless steel\u003c\/li\u003e\n  \u003cli\u003eCompliant with RoHS \/ REACH requirements\u003c\/li\u003e\n  \u003cli\u003eMaterial traceability and Mill Test Certificates (MTC) available upon request\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e🆚 A4 vs A2 — Why Choose Marine Grade?\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eA2 (SUS304)\u003c\/th\u003e\n      \u003cth\u003eA4 (SUS316) — This Product\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBase Alloy\u003c\/td\u003e\n\u003ctd\u003e18% Cr, 8% Ni\u003c\/td\u003e\n\u003ctd\u003e16% Cr, 10% Ni, 2–3% Mo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMolybdenum\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003e2–3% (pitting resistance)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSaltwater Resistance\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eExcellent\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChloride Resistance\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003ctd\u003eSuperior\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChemical Resistance\u003c\/td\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003ctd\u003eVery Good\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStrength Grade\u003c\/td\u003e\n\u003ctd\u003eA2-70\u003c\/td\u003e\n\u003ctd\u003eA4-70\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRecommended For\u003c\/td\u003e\n\u003ctd\u003eGeneral industrial use\u003c\/td\u003e\n\u003ctd\u003eMarine, chemical, harsh environments\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e📦 Ordering \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable in standard bulk packaging (per 100 pcs or per 1000 pcs)\u003c\/li\u003e\n  \u003cli\u003eCustom quantities available for wholesale, OEM, and project orders\u003c\/li\u003e\n  \u003cli\u003eClearly labelled with size, material grade (A4-70), and DIN 910 standard\u003c\/li\u003e\n  \u003cli\u003eFast dispatch — most sizes available from stock\u003c\/li\u003e\n  \u003cli\u003eMill Test Certificates (MTC \/ EN 10204 3.1) available on request\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e❓ Frequently Asked Questions\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What makes A4 stainless steel better than A2 for marine applications?\u003c\/strong\u003e\u003cbr\u003e\nA: A4 (SUS316) contains 2–3% molybdenum, which significantly improves resistance to chloride pitting and crevice corrosion — the primary failure mode in saltwater and coastal environments. A2 (SUS304) lacks molybdenum and is not recommended for prolonged saltwater exposure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can DIN 910 A4 plugs be used without a sealing washer?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The integral collar provides a metal-to-metal seal. For high-pressure or critical sealing applications, PTFE tape or anaerobic thread sealant is recommended as additional insurance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are Mill Test Certificates available for A4 material?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. FULLERKREG provides EN 10204 3.1 material certificates for all A4 stainless steel fasteners upon request.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is A4-70 suitable for high-temperature applications?\u003c\/strong\u003e\u003cbr\u003e\nA: A4 (SUS316) performs well up to approximately 870°C in intermittent service and 925°C in continuous service. However, for sustained high-temperature applications above 300°C, please consult our technical team.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between DIN 910 and DIN 908?\u003c\/strong\u003e\u003cbr\u003e\nA: DIN 910 has a longer thread engagement length (L dimension) than DIN 908, making it suitable for higher-pressure sealing applications. Both use cylindrical metric thread with a collar.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are custom sizes or special materials available?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. FULLERKREG offers custom sizes, special alloys, and non-standard configurations for OEM and project requirements. Please contact our sales team for a quotation.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cem\u003eAll FULLERKREG DIN 910 marine stainless steel pipe plugs are manufactured and inspected to DIN standards. For bulk pricing, custom specifications, or technical support, please contact the FULLERKREG sales team.\u003c\/em\u003e\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/metric-hexagon-head-pipe-plugs-din-910-marine-stainless-steel-a4.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}