{"title":"DIN 603 Carriage Bolt 4.8 Zinc CR3","description":"\u003ch1\u003eDIN 603 Carriage Bolt — Grade 4.8 | Zinc CR3 | FULLERKREG\u003c\/h1\u003e\n\n\u003cp\u003eFULLERKREG DIN 603 Carriage Bolts are precision-manufactured round-head square-neck bolts designed for wood-to-wood, wood-to-metal, and general structural fastening applications. Produced to the full dimensional requirements of DIN 603, these bolts feature a smooth domed head, a square neck that locks into the substrate to prevent rotation during tightening, and a fully threaded or partially threaded shank depending on length. The Zinc CR3 (trivalent chromate) surface finish provides reliable corrosion protection while meeting RoHS and ELV environmental compliance requirements.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN 603\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommon Name:\u003c\/strong\u003e Carriage Bolt \/ Coach Bolt \/ Round Head Square Neck Bolt\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Low Carbon Steel Q195\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProperty Class \/ Grade:\u003c\/strong\u003e 4.8 (per DIN EN ISO 898-1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSurface Treatment:\u003c\/strong\u003e Zinc CR3 (trivalent chromate zinc electroplate)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e Metric coarse thread (ISO 68-1)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Type:\u003c\/strong\u003e Round (domed) head with square neck\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\u003ch2\u003eWhat Is a DIN 603 Carriage Bolt?\u003c\/h2\u003e\n\u003cp\u003eThe DIN 603 carriage bolt — also known as a coach bolt or round head square neck bolt — is a specialized fastener distinguished by three key geometric features:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth Domed Head:\u003c\/strong\u003e The low-profile, rounded head presents a clean, tamper-resistant appearance on the visible face of the joint. No drive recess is present on the head — the bolt is tightened exclusively from the nut side.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare Neck (Collar):\u003c\/strong\u003e Immediately below the head, a short square section embeds into the substrate (typically timber or a pre-punched square hole in sheet metal) when the nut is tightened, preventing the bolt from rotating. This allows single-sided tightening with a wrench on the nut alone.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThreaded Shank:\u003c\/strong\u003e The remainder of the shank is threaded (metric coarse), accepting a standard hex nut or flange nut. Shorter lengths may be fully threaded; longer lengths have an unthreaded shank section.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMaterial: Low Carbon Steel Q195\u003c\/h2\u003e\n\u003cp\u003eQ195 is a Chinese national standard (GB\/T 700) low carbon structural steel, equivalent in composition and mechanical behavior to S185 (EN 10025) and ASTM A36 in the low-strength range. It is the standard material for Grade 4.8 fasteners requiring good ductility, easy cold-forming, and reliable weldability.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCarbon Content:\u003c\/strong\u003e ≤ 0.12% C (ultra-low carbon, excellent formability)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManganese:\u003c\/strong\u003e 0.25 – 0.50% Mn\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eYield Strength:\u003c\/strong\u003e ≥ 195 MPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTensile Strength:\u003c\/strong\u003e 315 – 430 MPa\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElongation:\u003c\/strong\u003e ≥ 33%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeldability:\u003c\/strong\u003e Excellent — suitable for welded assemblies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCold-Heading:\u003c\/strong\u003e Excellent — ideal for high-volume bolt production\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMagnetic:\u003c\/strong\u003e Yes (ferritic steel)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eMechanical Properties — Grade 4.8\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eProperty\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n      \u003cth\u003eStandard Reference\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMaterial\u003c\/td\u003e\n      \u003ctd\u003eLow Carbon Steel Q195\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProperty Class\u003c\/td\u003e\n      \u003ctd\u003e4.8\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Tensile Strength (Rm)\u003c\/td\u003e\n      \u003ctd\u003e≥ 420 MPa\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProof Load Stress (Sp)\u003c\/td\u003e\n      \u003ctd\u003e310 MPa\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eYield Strength (Rp0.2)\u003c\/td\u003e\n      \u003ctd\u003e≥ 340 MPa (80% of Rm)\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHardness (Vickers)\u003c\/td\u003e\n      \u003ctd\u003e130 – 220 HV\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElongation after fracture\u003c\/td\u003e\n      \u003ctd\u003e≥ 14%\u003c\/td\u003e\n      \u003ctd\u003eDIN EN ISO 898-1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSurface Treatment\u003c\/td\u003e\n      \u003ctd\u003eZinc CR3 (trivalent chromate electroplate)\u003c\/td\u003e\n      \u003ctd\u003eDIN 267-11\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCorrosion Resistance\u003c\/td\u003e\n      \u003ctd\u003e24 – 48 hours neutral salt spray (NSS)\u003c\/td\u003e\n      \u003ctd\u003eDIN 267-11 \/ ISO 9227\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eDimensional Reference — DIN 603 Key Parameters\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eThread Size\u003c\/th\u003e\n      \u003cth\u003ePitch (mm)\u003c\/th\u003e\n      \u003cth\u003eHead Diameter dk (mm)\u003c\/th\u003e\n      \u003cth\u003eHead Height k (mm)\u003c\/th\u003e\n      \u003cth\u003eSquare Neck Width f (mm)\u003c\/th\u003e\n      \u003cth\u003eSquare Neck Height m (mm)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e14.0\u003c\/td\u003e\n\u003ctd\u003e3.0\u003c\/td\u003e\n\u003ctd\u003e5.0\u003c\/td\u003e\n\u003ctd\u003e3.5\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\u003e16.0\u003c\/td\u003e\n\u003ctd\u003e3.6\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e4.0\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\u003e21.0\u003c\/td\u003e\n\u003ctd\u003e4.8\u003c\/td\u003e\n\u003ctd\u003e8.0\u003c\/td\u003e\n\u003ctd\u003e5.0\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\u003e26.0\u003c\/td\u003e\n\u003ctd\u003e6.0\u003c\/td\u003e\n\u003ctd\u003e10.0\u003c\/td\u003e\n\u003ctd\u003e6.0\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\u003e30.0\u003c\/td\u003e\n\u003ctd\u003e7.2\u003c\/td\u003e\n\u003ctd\u003e12.0\u003c\/td\u003e\n\u003ctd\u003e7.0\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\u003e35.0\u003c\/td\u003e\n\u003ctd\u003e8.4\u003c\/td\u003e\n\u003ctd\u003e14.0\u003c\/td\u003e\n\u003ctd\u003e8.0\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\u003e40.0\u003c\/td\u003e\n\u003ctd\u003e9.6\u003c\/td\u003e\n\u003ctd\u003e16.0\u003c\/td\u003e\n\u003ctd\u003e9.0\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\u003e50.0\u003c\/td\u003e\n\u003ctd\u003e12.0\u003c\/td\u003e\n\u003ctd\u003e20.0\u003c\/td\u003e\n\u003ctd\u003e11.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eStandard lengths range from 16 mm to 300 mm depending on thread size. Full dimensional tables per DIN 603. Custom lengths available upon request.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eSurface Treatment: Zinc CR3 (Trivalent Chromate)\u003c\/h2\u003e\n\u003cp\u003eAll FULLERKREG DIN 603 carriage bolts are finished with a Zinc CR3 electroplated coating — the automotive and construction industry standard for RoHS-compliant corrosion protection on carbon steel fasteners.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChromate Type:\u003c\/strong\u003e Trivalent chromate (Cr³⁺) — zero hexavalent chromium (Cr⁶⁺)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAppearance:\u003c\/strong\u003e Bright silver \/ clear to light blue iridescent finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e 24 – 48 hours neutral salt spray (NSS) to first red rust (per ISO 9227)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Standard:\u003c\/strong\u003e DIN 267-11 \/ DIN EN ISO 4042\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCoating Thickness:\u003c\/strong\u003e Typically 5 – 12 µm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS Compliant:\u003c\/strong\u003e ✅ Yes — no restricted hazardous substances\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eELV Directive Compliant:\u003c\/strong\u003e ✅ Yes — suitable for automotive and construction supply chains requiring environmental compliance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eREACH Compliant:\u003c\/strong\u003e ✅ Yes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features \u0026amp; Design Advantages\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e🔒 \u003cstrong\u003eAnti-Rotation Square Neck:\u003c\/strong\u003e The square collar embeds into timber or a pre-punched square hole, preventing bolt rotation during nut tightening — enabling single-sided assembly with no tool access required on the bolt head side.\u003c\/li\u003e\n  \u003cli\u003e🛡️ \u003cstrong\u003eTamper-Resistant Smooth Head:\u003c\/strong\u003e The domed head has no drive recess, making it difficult to remove without access to the nut — ideal for public-facing or security-sensitive installations.\u003c\/li\u003e\n  \u003cli\u003e📏 \u003cstrong\u003eClean Aesthetic:\u003c\/strong\u003e The smooth, low-profile round head provides a neat, professional appearance on the visible face of the joint — preferred in furniture, playground equipment, and architectural woodwork.\u003c\/li\u003e\n  \u003cli\u003e⚙️ \u003cstrong\u003eVersatile Substrate Compatibility:\u003c\/strong\u003e Designed primarily for timber, but also used with pre-punched square holes in steel plate, aluminium extrusions, and composite panels.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eSingle-Sided Tightening:\u003c\/strong\u003e Ideal for applications where only one face of the joint is accessible during assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eTypical Application Sectors\u003c\/h2\u003e\n\n\u003ch3\u003e🏗️ Construction \u0026amp; Structural Timber\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTimber frame connections — beams, joists, rafters, and purlins\u003c\/li\u003e\n  \u003cli\u003eDecking and outdoor timber platform assembly\u003c\/li\u003e\n  \u003cli\u003eFence post and rail connections\u003c\/li\u003e\n  \u003cli\u003ePergola, gazebo, and garden structure fastening\u003c\/li\u003e\n  \u003cli\u003eStaircase stringers and handrail brackets\u003c\/li\u003e\n  \u003cli\u003eFormwork and temporary structural connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🪑 Furniture \u0026amp; Joinery\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFlat-pack and knock-down (KD) furniture assembly\u003c\/li\u003e\n  \u003cli\u003eBed frames, table bases, and bench seating\u003c\/li\u003e\n  \u003cli\u003eCabinet and shelving unit structural joints\u003c\/li\u003e\n  \u003cli\u003eUpholstered furniture frame fastening\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🎪 Playground \u0026amp; Outdoor Equipment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlayground equipment — climbing frames, slides, and swing sets\u003c\/li\u003e\n  \u003cli\u003ePark benches and outdoor seating\u003c\/li\u003e\n  \u003cli\u003eSports facility structures and bleacher seating\u003c\/li\u003e\n  \u003cli\u003eOutdoor signage and display structures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🚚 Agricultural \u0026amp; Industrial Equipment\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAgricultural machinery guards and covers\u003c\/li\u003e\n  \u003cli\u003eConveyor frame and material handling equipment\u003c\/li\u003e\n  \u003cli\u003eStorage rack and shelving systems\u003c\/li\u003e\n  \u003cli\u003eGeneral industrial structural assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eInstallation Guide\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare the substrate:\u003c\/strong\u003e Drill a clearance hole equal to the bolt diameter through both members to be joined. For timber, the square neck will self-embed; for metal, punch or drill a square hole matching the neck dimensions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInsert the bolt:\u003c\/strong\u003e Push the carriage bolt through the hole from the front (visible) face. The domed head sits flush against the surface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmbed the square neck:\u003c\/strong\u003e Tap the bolt head lightly with a mallet if needed to seat the square neck fully into the timber or square hole, preventing rotation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApply washer and nut:\u003c\/strong\u003e Place a flat washer (recommended for timber to prevent pull-through) and hex nut on the threaded end.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTighten from the nut side:\u003c\/strong\u003e Use a wrench or socket on the nut only. The embedded square neck prevents the bolt from turning. Tighten to the recommended torque for Grade 4.8 and the thread size.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eRecommended Tightening Torque — Grade 4.8\u003c\/h2\u003e\n\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eThread Size\u003c\/th\u003e\n      \u003cth\u003eTightening Torque (Nm) — Dry\u003c\/th\u003e\n      \u003cth\u003eTightening Torque (Nm) — Lubricated\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e2.5\u003c\/td\u003e\n\u003ctd\u003e1.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e4.3\u003c\/td\u003e\n\u003ctd\u003e3.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e10.5\u003c\/td\u003e\n\u003ctd\u003e7.9\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM10\u003c\/td\u003e\n\u003ctd\u003e21\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM12\u003c\/td\u003e\n\u003ctd\u003e36\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM14\u003c\/td\u003e\n\u003ctd\u003e57\u003c\/td\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM16\u003c\/td\u003e\n\u003ctd\u003e88\u003c\/td\u003e\n\u003ctd\u003e66\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eM20\u003c\/td\u003e\n\u003ctd\u003e172\u003c\/td\u003e\n\u003ctd\u003e129\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eTorque values are indicative for Grade 4.8 bolts at 70% proof load. Always verify with your structural engineer for safety-critical applications.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Choose FULLERKREG DIN 603 Carriage Bolts?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eConsistent DIN 603 Compliance:\u003c\/strong\u003e Every batch manufactured and inspected to DIN 603 dimensional standards and DIN EN ISO 898-1 mechanical requirements.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eRoHS \u0026amp; ELV Compliant Zinc CR3 Finish:\u003c\/strong\u003e Trivalent chromate coating — no hexavalent chromium — meets EU environmental directives for global supply chains.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFull Traceability:\u003c\/strong\u003e Material certificates (MTC), mechanical test reports, and salt spray test records available per shipment.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh-Volume Production Capability:\u003c\/strong\u003e Consistent lot-to-lot quality for construction, furniture, and industrial procurement programs.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eWide Size Range:\u003c\/strong\u003e M5 through M20, lengths from 16 mm to 300 mm — covering the full DIN 603 range.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eFlexible Packaging:\u003c\/strong\u003e Bulk, box, and custom packaging options available to suit project and assembly line requirements.\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompetitive Lead Times:\u003c\/strong\u003e Direct factory supply with efficient global logistics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eApplicable Standards \u0026amp; References\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 603\u003c\/strong\u003e — Round head square neck bolts (metric coarse thread)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN EN ISO 898-1\u003c\/strong\u003e — Mechanical properties of fasteners: bolts, screws and studs (property class 4.8)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN 267-11\u003c\/strong\u003e — Fasteners: technical delivery conditions — electroplated coatings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIN EN ISO 4042\u003c\/strong\u003e — Fasteners: electroplated coatings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eISO 9227\u003c\/strong\u003e — Corrosion tests in artificial atmospheres — neutral salt spray (NSS) test\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGB\/T 700\u003c\/strong\u003e — Carbon structural steels (Q195 material standard)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRoHS Directive 2011\/65\/EU\u003c\/strong\u003e — Restriction of hazardous substances\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eELV Directive 2000\/53\/EC\u003c\/strong\u003e — End-of-life vehicles (hexavalent chromium restriction)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eOrdering \u0026amp; Customization\u003c\/h2\u003e\n\u003cp\u003eFULLERKREG supplies DIN 603 Grade 4.8 Zinc CR3 carriage bolts in standard and custom configurations. Please specify the following when placing an inquiry:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThread diameter and pitch (e.g., M8 × 1.25, M12 × 1.75)\u003c\/li\u003e\n  \u003cli\u003eNominal length (e.g., 30 mm, 60 mm, 100 mm)\u003c\/li\u003e\n  \u003cli\u003eFully threaded or partially threaded shank preference\u003c\/li\u003e\n  \u003cli\u003eRequired quantity and packaging format (bulk \/ box \/ pallet)\u003c\/li\u003e\n  \u003cli\u003eCertification requirements (material certificates, salt spray test reports, dimensional inspection reports)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eContact our technical sales team for datasheets, samples, and volume pricing.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e\u003cem\u003eFULLERKREG — Reliable Fasteners for Construction, Industry, and Beyond.\u003c\/em\u003e\u003c\/p\u003e","products":[],"url":"https:\/\/www.fullerkr.com\/collections\/din-603-carriage-bolt-4-8-zinc-cr3.oembed","provider":"Fullerkreg Fasteners","version":"1.0","type":"link"}