{"title":"DIN 433 Small O.D. Flat Washer – Brass","description":"\u003ch1\u003eDIN 433 Small O.D. Flat Washer — Brass H59, Natural Finish\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 433 small outer diameter flat washers are manufactured to DIN 433 \/ ISO 7092 standards in H59 brass (approximately 59% copper, 41% zinc) with a natural cleaned finish. H59 is the most widely used and cost-effective standard brass alloy, offering an excellent balance of mechanical strength, machinability, and corrosion resistance. These washers are ideal for plumbing, electrical, decorative hardware, and precision instrument applications where a non-ferrous, corrosion-resistant fastener is required.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 433 (equivalent to ISO 7092)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Brass H59 (Cu ≈59%, Zn ≈41%)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Natural — cleaned, bare brass finish (no plating)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Warm golden-yellow, bright metallic surface\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSize Range:\u003c\/strong\u003e M1.6 – M24\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNon-magnetic, non-sparking\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eRoHS \u0026amp; REACH Compliant\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRecommended Use:\u003c\/strong\u003e With pan head and cheese head screws (DIN 7985, DIN 84)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDimensional Specifications — DIN 433 Small O.D. Flat Washers (Brass H59, Natural)\u003c\/h2\u003e\n\u003cp\u003eAll dimensions in millimeters (mm). Tolerances per DIN 433 \/ ISO 7092.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eNominal Size (d)\u003c\/th\u003e\n      \u003cth\u003eInner Dia. d1 (min)\u003c\/th\u003e\n      \u003cth\u003eInner Dia. d1 (max)\u003c\/th\u003e\n      \u003cth\u003eOuter Dia. d2 (max)\u003c\/th\u003e\n      \u003cth\u003eThickness h (min)\u003c\/th\u003e\n      \u003cth\u003eThickness h (max)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM1.6\u003c\/td\u003e\n\u003ctd\u003e1.7\u003c\/td\u003e\n\u003ctd\u003e1.84\u003c\/td\u003e\n\u003ctd\u003e3.5\u003c\/td\u003e\n\u003ctd\u003e0.25\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e2.1\u003c\/td\u003e\n\u003ctd\u003e2.24\u003c\/td\u003e\n\u003ctd\u003e4.5\u003c\/td\u003e\n\u003ctd\u003e0.25\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e2.6\u003c\/td\u003e\n\u003ctd\u003e2.74\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e0.35\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e3.1\u003c\/td\u003e\n\u003ctd\u003e3.28\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.55\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM3.5\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003e3.78\u003c\/td\u003e\n\u003ctd\u003e7.0\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e0.55\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e4.1\u003c\/td\u003e\n\u003ctd\u003e4.28\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003ctd\u003e0.55\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e5.1\u003c\/td\u003e\n\u003ctd\u003e5.28\u003c\/td\u003e\n\u003ctd\u003e9.0\u003c\/td\u003e\n\u003ctd\u003e0.55\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e6.1\u003c\/td\u003e\n\u003ctd\u003e6.28\u003c\/td\u003e\n\u003ctd\u003e11.0\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e8.1\u003c\/td\u003e\n\u003ctd\u003e8.28\u003c\/td\u003e\n\u003ctd\u003e15.0\u003c\/td\u003e\n\u003ctd\u003e1.1\u003c\/td\u003e\n\u003ctd\u003e1.4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e10.1\u003c\/td\u003e\n\u003ctd\u003e10.28\u003c\/td\u003e\n\u003ctd\u003e18.0\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e12.1\u003c\/td\u003e\n\u003ctd\u003e12.28\u003c\/td\u003e\n\u003ctd\u003e20.0\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM14\u003c\/td\u003e\n\u003ctd\u003e14.1\u003c\/td\u003e\n\u003ctd\u003e14.28\u003c\/td\u003e\n\u003ctd\u003e24.0\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM16\u003c\/td\u003e\n\u003ctd\u003e16.1\u003c\/td\u003e\n\u003ctd\u003e16.28\u003c\/td\u003e\n\u003ctd\u003e28.0\u003c\/td\u003e\n\u003ctd\u003e1.6\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003ctd\u003e20.1\u003c\/td\u003e\n\u003ctd\u003e20.28\u003c\/td\u003e\n\u003ctd\u003e34.0\u003c\/td\u003e\n\u003ctd\u003e2.0\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM24\u003c\/td\u003e\n\u003ctd\u003e24.1\u003c\/td\u003e\n\u003ctd\u003e24.28\u003c\/td\u003e\n\u003ctd\u003e39.0\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003e* All dimensions conform to DIN 433 \/ ISO 7092. Please verify with your engineering team for critical applications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMaterial Properties — Brass H59\u003c\/h2\u003e\n\u003cp\u003eH59 is the most widely used and cost-effective standard brass, containing approximately 59% copper and 41% zinc. It is a leaded, free-machining brass that offers an excellent balance of mechanical properties, machinability, and affordability. It is extensively used in machinery, hardware, plumbing fixtures, and electrical components.\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaterial Grade\u003c\/td\u003e\n\u003ctd\u003eBrass H59 (GB\/T 5231)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCopper (Cu) Content\u003c\/td\u003e\n\u003ctd\u003e≈57 – 60%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eZinc (Zn) Content\u003c\/td\u003e\n\u003ctd\u003eBalance (≈40 – 43%)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLead (Pb) Content\u003c\/td\u003e\n\u003ctd\u003e≤ 1.0% (free-machining grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDensity\u003c\/td\u003e\n\u003ctd\u003e8.5 g\/cm³\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTensile Strength\u003c\/td\u003e\n\u003ctd\u003e≥ 390 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eYield Strength\u003c\/td\u003e\n\u003ctd\u003e≥ 150 MPa\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElongation\u003c\/td\u003e\n\u003ctd\u003e≥ 20%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHardness (HB)\u003c\/td\u003e\n\u003ctd\u003e80 – 120 HB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElectrical Conductivity\u003c\/td\u003e\n\u003ctd\u003e≈26% IACS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eThermal Conductivity\u003c\/td\u003e\n\u003ctd\u003e≈87 W\/(m·K)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMelting Point\u003c\/td\u003e\n\u003ctd\u003e≈885 – 895°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +150°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eChemical Composition — Brass H59\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eElement\u003c\/th\u003e\n      \u003cth\u003eCu\u003c\/th\u003e\n      \u003cth\u003eZn\u003c\/th\u003e\n      \u003cth\u003ePb (max)\u003c\/th\u003e\n      \u003cth\u003eFe (max)\u003c\/th\u003e\n      \u003cth\u003eOthers (max)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eContent (%)\u003c\/td\u003e\n      \u003ctd\u003e57.0 – 60.0\u003c\/td\u003e\n      \u003ctd\u003eBalance\u003c\/td\u003e\n      \u003ctd\u003e1.0\u003c\/td\u003e\n      \u003ctd\u003e0.5\u003c\/td\u003e\n      \u003ctd\u003e0.5\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eH59 Brass — Key Characteristics\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHot workability: Excellent\u003c\/strong\u003e — suitable for hot forging, hot extrusion, and hot rolling\u003c\/li\u003e\n  \u003cli\u003e⚠️ \u003cstrong\u003eCold workability: Moderate\u003c\/strong\u003e — cold bending and cold heading are feasible, but complex cold forming operations require intermediate annealing\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMachinability: Excellent\u003c\/strong\u003e — free-machining grade, high cutting speed, excellent surface finish\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWelding \u0026amp; brazing: Good\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCorrosion resistance: Good\u003c\/strong\u003e in atmospheric conditions, fresh water, and ambient environments\u003c\/li\u003e\n  \u003cli\u003e⚠️ \u003cstrong\u003eDezincification risk\u003c\/strong\u003e — performance is only fair in seawater, strong acids, or prolonged humid conditions due to susceptibility to dezincification; generally not recommended for severe corrosive service\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNon-magnetic \u0026amp; non-sparking\u003c\/strong\u003e — safe for use near sensitive electronics and in explosive environments\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAttractive golden-yellow appearance\u003c\/strong\u003e — ideal for decorative and visible hardware applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSurface Finish — Natural Cleaned Brass\u003c\/h2\u003e\n\u003cp\u003eThese washers are supplied in a \u003cstrong\u003enatural, cleaned bare brass finish\u003c\/strong\u003e — no electroplating, no coating. The surface is cleaned and degreased after manufacturing to reveal the characteristic warm golden-yellow color of H59 brass. Key notes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eNo coating thickness\u003c\/strong\u003e — zero dimensional impact, full DIN 433 tolerance maintained\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eAuthentic brass appearance\u003c\/strong\u003e — warm golden tone, suitable for decorative and visible applications\u003c\/li\u003e\n  \u003cli\u003e⚠️ \u003cstrong\u003eNatural patina over time\u003c\/strong\u003e — brass will develop a natural patina in ambient conditions; apply clear lacquer if a bright finish must be maintained\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompatible with supplementary coatings\u003c\/strong\u003e — can be further plated (nickel, chrome, gold) or lacquered per customer requirement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUsed with \u003cstrong\u003epan head screws\u003c\/strong\u003e (DIN 7985 \/ ISO 7045) and \u003cstrong\u003echeese head screws\u003c\/strong\u003e (DIN 84 \/ ISO 1207)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlumbing \u0026amp; water fittings\u003c\/strong\u003e — valves, pipe connectors, and water meter assemblies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical \u0026amp; electronics\u003c\/strong\u003e — terminal blocks, switchgear, grounding assemblies, PCB hardware\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDecorative hardware\u003c\/strong\u003e — furniture fittings, door hardware, lighting fixtures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision instruments\u003c\/strong\u003e — optical equipment, measuring instruments, scientific apparatus\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMarine \u0026amp; HVAC\u003c\/strong\u003e — fresh water systems, air handling units (non-seawater)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive\u003c\/strong\u003e — interior trim, sensor housings, connector assemblies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Photo Gallery\u003c\/h2\u003e\n\u003cp\u003eReal product images — FULLERKREG DIN 433 Small O.D. Flat Washer, Brass H59 Natural finish:\u003c\/p\u003e\n\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Photo 1 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Photo 2 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Photo 3 ]\u003c\/td\u003e\n      \u003ctd style=\"width:25%; text-align:center; padding:12px;\"\u003e[ Photo 4 ]\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003ePackaging \u0026amp; Supply\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eSize\u003c\/th\u003e\n      \u003cth\u003eStandard Pack (pcs)\u003c\/th\u003e\n      \u003cth\u003eBulk Carton (pcs)\u003c\/th\u003e\n      \u003cth\u003eWeight per 1000 pcs (approx.)\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\u003e200\u003c\/td\u003e\n\u003ctd\u003e10,000\u003c\/td\u003e\n\u003ctd\u003e~0.22 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003e5,000\u003c\/td\u003e\n\u003ctd\u003e~0.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e3,000\u003c\/td\u003e\n\u003ctd\u003e~0.68 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003e2,000\u003c\/td\u003e\n\u003ctd\u003e~1.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e1,000\u003c\/td\u003e\n\u003ctd\u003e~3.40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e~6.70 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e500\u003c\/td\u003e\n\u003ctd\u003e~8.80 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003e* Brass density ≈8.5 g\/cm³ (vs. steel ≈7.85 g\/cm³) — brass washers are approximately 8% heavier than equivalent steel washers. Custom packaging and labeling available for OEM \/ wholesale orders. Contact FULLERKREG for bulk pricing.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose FULLERKREG?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🏭 \u003cstrong\u003eDirect manufacturer\u003c\/strong\u003e — factory in China, no middlemen\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eStrict DIN\/ISO dimensional control\u003c\/strong\u003e — 100% inspection on critical dimensions\u003c\/li\u003e\n  \u003cli\u003e🌍 \u003cstrong\u003eGlobal export experience\u003c\/strong\u003e — serving distributors in Europe, North America, Southeast Asia\u003c\/li\u003e\n  \u003cli\u003e📦 \u003cstrong\u003eFlexible MOQ\u003c\/strong\u003e — small trial orders and large bulk shipments both welcome\u003c\/li\u003e\n  \u003cli\u003e📋 \u003cstrong\u003eFull documentation\u003c\/strong\u003e — material certs, RoHS declarations, test reports available\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eFast lead times\u003c\/strong\u003e — standard sizes in stock, ready to ship\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between DIN 433 and DIN 125 brass washers?\u003c\/strong\u003e\u003cbr\u003e\nA: DIN 433 has a smaller outer diameter than DIN 125, designed specifically for use with pan head and cheese head screws where the washer must fit within the head recess area. DIN 125 is the standard flat washer for general-purpose use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Why choose brass over steel for DIN 433 washers?\u003c\/strong\u003e\u003cbr\u003e\nA: Brass offers superior corrosion resistance in fresh water and atmospheric environments, is non-magnetic and non-sparking, and provides an attractive golden appearance. It is preferred in plumbing, electrical, and decorative applications where steel would corrode or cause galvanic issues.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Is H59 brass suitable for marine or seawater applications?\u003c\/strong\u003e\u003cbr\u003e\nA: H59 brass is not recommended for seawater or highly corrosive environments due to its susceptibility to dezincification. For marine applications, consider higher-grade brass (H62, H65) or copper-nickel alloys.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Will the brass washers tarnish or change color over time?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Natural brass develops a patina over time in ambient conditions. This is a normal characteristic of bare brass. If a consistently bright finish is required, apply a clear lacquer coating after installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are these washers RoHS compliant?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. FULLERKREG H59 brass washers are RoHS and REACH compliant. Full compliance documentation is available upon request.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I order mixed sizes in one shipment?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. FULLERKREG supports mixed-size wholesale orders. Please contact us with your size breakdown and quantities for a custom quotation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do you provide material test certificates?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Mill certificates, chemical composition reports, and dimensional inspection reports are available for all orders upon request.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cstrong\u003eFULLERKREG Fasteners\u003c\/strong\u003e — Precision DIN Standard Fasteners, Direct from Manufacturer.\u003cbr\u003e\nFor wholesale inquiries, technical questions, or custom orders, please contact our sales team.\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/din-433-small-o-d-flat-washer-brass.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}